A cutting device with misoperation function for rail transit door system

Abstract

The present invention discloses a rail transit door system cutting device with a misoperation function, comprising an isolation shaft, an isolation locking rod and a locking pin; a card slot is provided on one side of the isolation locking rod, and the isolation shaft is arranged in the middle of the isolation locking rod; the locking pin comprises a clamping structure, a triggering structure and a reset shaft, the clamping structure matches the card slot and is clamped therein, the triggering structure extends toward the isolation shaft, and its end is located on the side of the isolation shaft, the reset shaft is located on the other side of the clamping mechanism, and a reset spring is arranged thereon; when in a locked state, the reset spring gives the locking pin a force to cling to the isolation locking rod, so that the clamping structure is clamped in the card slot, limiting the displacement of the isolation locking rod; when the isolation shaft is rotated by a key, the key triggers the triggering structure to drive the locking pin to move, the reset spring contracts, and the clamping structure exits the card slot to release the degree of freedom of the isolation locking rod. The present invention can eliminate the risk of misactivation of the isolation device.

Description

Technical Field

[0001] The invention relates to a cutting device method with a misoperation function for a rail transit door system in the field of rail transit vehicle doors. Background Art

[0002] The rail transit door system is equipped with a door leaf isolation device, that is, when the door system fails, the door system can be manually isolated mechanically, and the door leaf cannot be opened at this time, which can effectively ensure the safety of passengers. For the common door leaf isolation structure at present, the structural principle is to rotate the isolation shaft to raise the isolation rod in the cover plate to a certain height. The top of the isolation rod is provided with a lock hook, and the lock teeth on the lock hook hook the left and right drive arms at the same time to achieve mechanical isolation. At the same time, the isolation hook will also activate the isolation switch and output the signal that the door leaf is isolated to the driver's cab.

[0003] The implementation process of this function is completed inside the cover plate and is invisible to passengers. However, the current isolation device design structure generally has certain defects: 1) Passengers can insert their fingers into the inner cover plate when the train is running or when the door leaves are open, and use their fingers to push the isolation hook to activate the isolation device; 2) Passengers can use needle-nosed pliers, nail clippers and other objects instead of the crew key to turn the isolation shaft and activate the isolation device. The above situations will cause the isolation device to be activated by mistake. The above design defects have a negative impact on the operating safety of rail transit vehicles. Summary of the invention

[0004] The purpose of the present invention is to overcome the deficiencies of the prior art and to provide a rail transit door system cut-off device with a misoperation function, which can eliminate the risk of misactivation of an isolation device.

[0005] A technical solution to achieve the above object is: a rail transit door system with a misoperation function of the removal device, including an isolation shaft and an isolation locking rod driven by the isolation shaft, and also includes a locking pin;

[0006] A card slot is provided on one side of the isolation lock rod, and the isolation shaft is arranged in the middle of the isolation lock rod; the locking pin comprises a card connection structure, a trigger structure and a reset shaft, the card connection structure matches the card slot and is locked therein, the trigger structure extends toward the isolation shaft, and its end is located on the side of the isolation shaft, and the reset shaft is located on the other side of the card connection mechanism, and a reset spring is arranged on the reset shaft;

[0007] When in the locked state, the return spring gives the locking pin a force to press against the isolation locking rod, so that the clamping structure is clamped in the clamping slot, limiting the displacement of the isolation locking rod; when the isolation shaft is rotated by the key, the key triggers the triggering structure to drive the locking pin to move, the return spring contracts, and the clamping structure withdraws from the clamping slot to release the freedom of the isolation locking rod.

[0008] Furthermore, the isolation shaft extends out of the inner side and the outer side of the vehicle door respectively, and an isolation cover plate is connected to the outer side thereof, and a lock hole facing the isolation shaft is opened on the isolation cover plate.

[0009] Furthermore, the locking pin is divided into a male lock pin and a female lock pin, which are connected to each other through a connecting structure and move synchronously. The male lock pin and the female lock pin are respectively provided with a trigger structure and a reset shaft. The trigger structure of the male lock pin is located on one side of the isolation shaft on the inner side of the vehicle door, and the trigger structure of the female lock pin is located on one side of the isolation shaft on the outer side of the vehicle door.

[0010] Furthermore, the card slot is divided into a first card slot and a second card slot, the first card slot is located above the second card slot, and the card structure is carded in the first card slot in the locked state. When in the unlocked state, the isolation locking rod rises and the card structure is carded in the second card slot.

[0011] Furthermore, a trigger slope matching the key is provided at the end of the trigger structure.

[0012] The present invention provides a cutting device with a misoperation function for a rail transit door system, which improves the safety of the isolation device and can prevent non-professionals from operating the isolation device with their hands and non-professional tools such as needle-nosed pliers and nail clippers, thereby triggering an isolation signal and causing the train to stop, thereby effectively ensuring the stability of the train operation; the structure has the advantages of being able to be operated inside the train or outside the train, thereby reducing inspection and maintenance time and improving inspection and maintenance efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] Figure 1 It is a cross-sectional view of a cutting device with a misoperation function for a rail transit door system of the present invention;

[0014] Figure 2 It is a structural schematic diagram of a rail transit door system with a misoperation function in a locked state according to the present invention;

[0015] Figure 3 It is a structural schematic diagram of a rail transit door system with a misoperation function when unlocked according to the present invention. DETAILED DESCRIPTION

[0016] In order to better understand the technical solution of the present invention, the following is a detailed description through specific embodiments:

[0017] See also Figures 1 to 3 A rail transit door system cutting device with a misoperation function of the present invention comprises an isolation shaft 1, an isolation locking rod 2 driven by the isolation shaft, and a locking pin 3.

[0018] A first slot 21 and a second slot 22 are formed on one side of the isolation lock rod. The first slot 21 is located above the second slot 22 .

[0019] The isolation shaft 1 is arranged in the middle of the isolation lock rod, and the isolation shaft can be raised or lowered by rotating the isolation shaft to drive the driving mechanism connected thereto. The isolation shaft 1 extends out of the inner and outer sides of the door respectively, and an isolation cover plate is connected to the outer side thereof, and a lock hole facing the isolation shaft is opened on the isolation cover plate.

[0020] The locking pin 3 is divided into a male locking pin 31 and a female locking pin 32, which are connected to each other through a connecting structure and move synchronously. The male locking pin 31 and the female locking pin 32 are respectively provided with a trigger structure 33 and a reset shaft 34, and the male locking pin 31 is also provided with a clamping structure 35. The clamping structure 35 matches the first clamping groove 21 and the second clamping groove 22. When in the locked state, the clamping structure 35 is clamped in the first clamping groove 21. When in the unlocked state, the isolation lock rod rises and the clamping structure 35 is clamped in the second clamping groove 32. The triggering structure 33 of the male locking pin 31 is located on one side of the isolation shaft on the inner side of the door, and the triggering structure 33 of the female locking pin is located on one side of the isolation shaft on the outer side of the door. A triggering inclined surface matching the key is provided at the end of the triggering structure 33. The reset shaft 34 is located on the other side of the clamping mechanism 35, and a reset spring 4 is provided thereon.

[0021] When in the locked state, the reset spring gives the locking pin a force to press against the isolation locking rod, so that the card-joining structure is engaged in the card slot, limiting the displacement of the isolation locking rod; when the isolation shaft is rotated by the key, the key applies force to the trigger structure, driving the locking pin to move, the reset spring contracts, and the card-joining structure exits the card slot to release the freedom of the isolation locking rod.

[0022] The specific working mode of the cutting device with misoperation function for a rail transit door system of the present invention is as follows:

[0023] In the normal locking state, the locking pin always has a leftward force under the action of the spring force. Under the action of this force, the locking pin can lock the isolation rod so that the isolation rod cannot move upward, ensuring that 1) the isolation rod will not be pushed by fingers, and 2) the isolation shaft will not be rotated.

[0024] When the crew member uses the key to operate inside the car, the key must first push open the male lock pin, at which time the male lock pin will also release the limit on the isolation rod, allowing the isolation rod to move upward to complete the isolation function. When operating outside the car, the female lock pin will drive the male lock pin to move together.

[0025] When the isolation operation is completed and the crew key is removed, the locking pin will be stuck in the second slot of the isolation rod, so that the isolation rod is at a fixed height. At this time, mechanical isolation will be maintained and the isolation signal will remain normally connected.

[0026] In the isolated state, when preparing for the reset operation, the crew key pushes the locking pin again and rotates the isolation shaft counterclockwise to complete the reset.

[0027] Those skilled in the art should recognize that the above embodiments are only used to illustrate the present invention, and are not intended to limit the present invention. As long as they are within the spirit of the present invention, any changes or modifications to the above embodiments will fall within the scope of the claims of the present invention.

Claims

1. A rail transit door system with a misoperation removal device, comprising an isolation shaft and an isolation locking rod driven by the isolation shaft, characterized in that: Also included is a locking pin; A card slot is provided on one side of the isolation lock rod, and the isolation shaft is arranged in the middle of the isolation lock rod; the locking pin comprises a card connection structure, a trigger structure and a reset shaft, the card connection structure matches the card slot and is locked in it, the trigger structure extends toward the isolation shaft, and its end is located on the side of the isolation shaft, and the reset shaft is located on the other side of the card connection structure, and a reset spring is arranged on it; When in the locked state, the return spring gives the locking pin a force to press against the isolation locking rod, so that the clamping structure is clamped in the clamping slot, limiting the displacement of the isolation locking rod; when the isolation shaft is rotated by the key, the key triggers the triggering structure to drive the locking pin to move, the return spring contracts, and the clamping structure withdraws from the clamping slot to release the freedom of the isolation locking rod.

2. A rail transit door system with a misoperation removal device according to claim 1, characterized in that: The isolation shafts extend out of the inner side and the outer side of the vehicle door respectively, and the outer side thereof is covered with an isolation cover plate, and a lock hole facing the isolation shaft is provided on the isolation cover plate.

3. A rail transit door system with a misoperation removal device according to claim 2, characterized in that: The locking pin is divided into a male lock pin and a female lock pin, which are connected to each other through a connecting structure and move synchronously. The male lock pin and the female lock pin are respectively provided with a trigger structure and a reset shaft. The trigger structure of the male lock pin is located on one side of the isolation shaft on the inner side of the vehicle door, and the trigger structure of the female lock pin is located on one side of the isolation shaft on the outer side of the vehicle door.

4. A rail transit door system with a misoperation removal device according to claim 1, characterized in that: The card slot is divided into a first card slot and a second card slot, the first card slot is located above the second card slot, and the card structure is carded in the first card slot in a locked state. When in an unlocked state, the isolation locking rod rises, and the card structure is carded in the second card slot.

5. The rail transit door system with a misoperation removal device according to claim 1, characterized in that: A trigger slope matching the key is arranged at the end of the trigger structure.

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