CN220487337U - Emergency unlocking device for vehicle door - Google Patents
Emergency unlocking device for vehicle door Download PDFInfo
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- CN220487337U CN220487337U CN202321894111.2U CN202321894111U CN220487337U CN 220487337 U CN220487337 U CN 220487337U CN 202321894111 U CN202321894111 U CN 202321894111U CN 220487337 U CN220487337 U CN 220487337U
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- unlocking
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- wire rope
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- 238000001514 detection method Methods 0.000 claims description 23
- 230000009471 action Effects 0.000 claims description 8
- 230000033001 locomotion Effects 0.000 claims description 7
- 238000000034 method Methods 0.000 abstract description 6
- 230000008569 process Effects 0.000 abstract description 5
- 230000008054 signal transmission Effects 0.000 abstract description 2
- 238000010586 diagram Methods 0.000 description 7
- 230000007547 defect Effects 0.000 description 2
- 239000011159 matrix material Substances 0.000 description 2
- 230000001960 triggered effect Effects 0.000 description 2
- 230000002159 abnormal effect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000009347 mechanical transmission Effects 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
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Abstract
The utility model belongs to the field of rail transit equipment, and particularly relates to an emergency unlocking device for a passenger compartment door with an electromagnet, which comprises a base assembly, a handle assembly, an electromagnet assembly and a steel wire rope assembly, wherein the handle assembly is connected with the electromagnet assembly, one end of the steel wire rope assembly is connected with the base assembly, and the other end of the steel wire rope assembly is connected with the electromagnet assembly, and the emergency unlocking device has the following advantages: 1. the unlocking process is controlled through electric signal transmission, so that the artificial controllability of emergency unlocking is improved; 2. the automobile seat can be installed at a position convenient to operate, and is suitable for different automobile types; 3. the rotary structure is adopted, so that the occupied space is small, and the operation is convenient; 4. the requirement of manually unlocking the door in emergency is met; 5. the potential safety hazard caused by misoperation of passengers is avoided, the running reliability and safety of the rail transit vehicle are improved while the functions, performances and safety requirements of the rail transit products are improved, and the running failure rate of the vehicle is reduced.
Description
Technical field:
the utility model belongs to the field of rail transit equipment, and particularly relates to an emergency unlocking device for a passenger compartment door with an electromagnet, which is suitable for a passenger compartment side door of a rail transit vehicle.
The background technology is as follows:
the emergency unlocking device is applied to a rail transit vehicle door system, also called an emergency door opening device, and refers to a device for manually opening a side door of a passenger room of a rail transit when a train is in an abnormal condition or cannot be opened electrically or is in emergency. In the safety design of rail transit vehicle systems, once an emergency unlocking device is triggered, the train can be pulled to block or emergency brake, and the train cannot be moved. The emergency unlocking device commonly applied to rail transit vehicles in the prior art can be directly operated by passengers, and once misoperation occurs, the train operation can be influenced, and the defects of poor safety, insufficient functions, inconvenient operation in emergency and the like exist, so that the requirements of the development of the current rail transit industry can not be met. For example, chinese patent 201821633040.X discloses an emergency unlocking device for a passenger compartment door with an electromagnet, comprising a base, an electromagnet assembly fixedly mounted on the inner side of the base, a handle assembly hinged with the base, a handle detection switch mounted on the side wall of the base, and a switch triggering assembly mounted in the base; the handle component and the switch triggering component can be arranged in a contact way, and a limit stop of the handle component can be clamped by the electromagnet component; the handle assembly triggers the handle detection switch through the switch triggering assembly, and the handle detection switch is electrically connected with the vehicle controller. A locking device for a motor vehicle door, which is known from chinese patent 202080029408.5, comprises a door lock which permits at least an electric unlocking and, in parallel therewith, a mechanical unlocking by means of an operative mechanical connection with a first operable door handle, wherein a clutch is provided in the operative mechanical connection between the first door handle and the door lock, which clutch can be engaged and disengaged by means of a clutch motor, the locking device further comprising a control unit which can be connected to a crash sensor for determining an accident situation, which clutch is always in a disengaged state in a normal operating state independently of an opening request, and which clutch can be engaged and disengaged by means of an electromagnetic operating mechanism which is designed to engage the clutch when the current is interrupted, wherein the control unit further has a first timer according to a timer time t1, which first timer can be triggered by a signal of the crash sensor, such that the control unit, after expiration of the timer time t1, drives the clutch motor to engage the clutch after a crash signal has been obtained. The lock disclosed in chinese patent 200480004967.1 for a door of a motor vehicle, said lock comprising a movable locking bar movable between a first position, corresponding to an unlocked state of the lock, and a second position, corresponding to a locked state of the lock; a link movable between a first operative position and a second inoperative position in response to movement of said locking lever between its first and second positions, said link comprising resilient means adapted to store a locking energy when said link is held in its first operative position to automatically cause said link to move from its first operative position to its second inoperative position after said link is released. Therefore, the vehicle door emergency unlocking device which is compact in structure, convenient to operate, high in reliability, good in safety and complete in function is developed and designed, and is applied to a passenger room door system of a rail transit vehicle so as to meet the market development requirement.
The utility model comprises the following steps:
the utility model aims to overcome the defects of the prior art, develop and design the emergency unlocking device for the vehicle door, and improve the running reliability and safety of the rail transit vehicle on the premise of meeting the requirement of the rail transit function.
In order to achieve the above purpose, the main structure of the emergency unlocking device for the vehicle door comprises a base assembly, and a handle assembly, an electromagnet assembly and a steel wire rope assembly which are arranged on the base assembly, wherein the handle assembly is connected with the electromagnet assembly, one end of the steel wire rope assembly is connected with the base assembly, and the other end of the steel wire rope assembly is connected with the electromagnet assembly.
The main body structure of the base component comprises a base plate, a steel wire rope fixing seat, a handle motion detection switch, a first limit screw, a second limit screw and a reset spring, wherein the steel wire rope fixing seat, the handle motion detection switch, the first limit screw, the second limit screw and the reset spring are arranged on the base plate; the main body structure of the handle assembly comprises a handle and a shifting block connected with the handle through a pin shaft, and when the handle rotates, the shifting block is driven to rotate through the pin shaft; the main structure of the electromagnet assembly comprises an unlocking chain wheel, an electromagnet matrix arranged on the unlocking chain wheel, an electromagnet action detection switch arranged above the electromagnet matrix and a mandrel arranged inside the electromagnet action detection switch; the main body structure of the steel wire rope component comprises a sleeve, a steel wire arranged in the sleeve and a connecting stud arranged at the bottom end of the steel wire.
The pin shaft is connected with the unlocking chain wheel, the unlocking chain wheel is further provided with a through hole for the mandrel to pass through, the sleeve is connected with the steel wire rope fixing seat, and the connecting stud is embedded in the mounting hole of the unlocking chain wheel.
The utility model relates to a working process of an emergency unlocking device of a vehicle door in a non-electrified state, which comprises the following steps:
the electromagnet assembly is powered off, and the mandrel stretches out;
the handle assembly is rotated clockwise, the shifting block drives the electromagnet assembly to rotate through the mandrel, and the steel wire rope assembly is pulled to unlock the vehicle door through the unlocking chain wheel.
The utility model relates to a working process of an emergency unlocking device of a vehicle door in an electrified state, which comprises the following steps:
the first stage: the handle assembly is in a reset state, and the shifting block is in contact with the handle detection switch, so that the handle detection switch is in a pressing state; the electromagnet assembly is in a power-on state, the mandrel is retracted, at the moment, the handle assembly idles in the mounting hole of the unlocking sprocket along the pin shaft, and the handle assembly cannot be unlocked when the handle assembly is rotated clockwise;
and a second stage: when unlocking is needed, the handle assembly is rotated, the handle detection switch is released and sends a signal released by the handle detection switch to the external controller, the handle assembly is reset, and the handle detection switch is pressed and sends a signal pressed by the handle detection switch to the external controller;
and a third stage: when unlocking is allowed, the external controller sends out an instruction, the electromagnet assembly is powered off, the mandrel stretches out, and meanwhile, the electromagnet detects the action of the switch and sends a feedback signal;
fourth stage: the handle assembly is unlocked, the shifting block drives the electromagnet assembly to rotate through the mandrel, and the steel wire rope assembly is pulled to unlock the vehicle door through the unlocking chain wheel.
Compared with the prior art, the utility model has the following advantages: 1. the unlocking process is controlled through electric signal transmission, so that the manual controllability of emergency unlocking is improved, and the method is reliable, safe and convenient to operate; 2. the automobile seat can be installed at a position convenient to operate, is suitable for different automobile types, and has wide application range and strong controllability; 3. the rotary structure is adopted, so that the occupied space is small, the operation is convenient, the main body structure is compact, and the installation and assembly space is small; 4. the functions are complete and perfect, the protection performance is high, and the requirement of manually unlocking and opening the door in emergency is met; 5. the potential safety hazard caused by misoperation of passengers is avoided, the running reliability and safety of the rail transit vehicle are improved while the functions, the performances and the safety requirements of the rail transit products are improved, the running failure rate of the vehicle is reduced, and the rail transit vehicle is suitable for the rail transit vehicle with dense personnel and complex conditions.
Description of the drawings:
fig. 1 is a schematic diagram of the principle of the main structure of the present utility model.
Fig. 2 is an exploded view of the main structure of the present utility model.
Fig. 3 is a schematic diagram of the connection relationship of the steel wire rope assembly according to the present utility model.
Fig. 4 is a schematic structural diagram of an electromagnet assembly according to the present utility model, where a is a schematic drawing of a mandrel in a contracted state, and b is a schematic drawing of a mandrel in an extended state.
Fig. 5 is a schematic diagram of the reset state of the present utility model.
Fig. 6 is a schematic diagram of an unlock prohibiting operation according to the present utility model, in which a is a schematic diagram of a state when the handle is not rotated, and b is a schematic diagram of a state when the handle is rotated.
Fig. 7 is a schematic view of an emergency unlocking operation according to the present utility model, wherein a is a schematic view of a retracted state of the spindle when the handle is not rotated, b is a schematic view of an extended state of the spindle when the handle is not rotated, and c is a schematic view of an extended state of the spindle when the handle is rotated.
The specific embodiment is as follows:
the utility model is further illustrated by the following examples in conjunction with the accompanying drawings.
Example 1:
the emergency unlocking device for the vehicle door is connected with a vehicle body through a door upright post protection cover, and the main structure of the emergency unlocking device is shown in fig. 1 and comprises a base component 1, a handle component 2, an electromagnet component 3 and a steel wire rope component 4; be provided with handle assembly 2, electromagnet assembly 3 and wire rope subassembly 4 on the base subassembly 1, handle assembly 2 is connected with electromagnet assembly 3, and wire rope subassembly 4's one end is connected with base subassembly 1, and the other end is connected with electromagnet assembly 3.
The main structure of the base assembly 1 according to the embodiment is shown in fig. 2, and includes a base plate 11, a wire rope fixing seat 12, a handle motion detection switch 13, a first limit screw 14, a second limit screw 15 and a return spring 16; the upper part of the back surface of the base plate 11 with the rectangular plate-shaped structure is provided with a steel wire rope fixing seat 12 and a handle motion detection switch 13, and the lower part is provided with a first limit screw 14, a second limit screw 15 and a return spring 16.
The main structure of the handle assembly 2 according to this embodiment is shown in fig. 2, and includes a handle 21, a pin 22 and a shifting block 23; the handle 21 is connected with the shifting block 23 through the pin shaft 22, the handle 21 is arranged on the front surface of the base assembly 1, the pin shaft 22 penetrates through the mounting hole of the base assembly 1, and the shifting block 23 is arranged on the back surface of the base assembly 1 after covering the reset spring 16.
The main structure of the electromagnet assembly 3 according to this embodiment is shown in fig. 2, and includes an unlocking sprocket 31, an electromagnet base 32, an electromagnet action detecting switch 33, and a spindle 34; the unlocking chain wheel 31 is connected with the pin shaft 22, an electromagnet base body 32 is arranged on the back surface of the unlocking chain wheel 31, an electromagnet action detection switch 33 is arranged above the electromagnet base body 32, a mandrel 34 is arranged in the unlocking chain wheel 31, and a through hole for the mandrel 34 to pass through is also formed in the unlocking chain wheel 31; when the electromagnet assembly 3 is in a power-off state, the mandrel 34 stretches out to trigger the electromagnet detection switch 33; when the electromagnet assembly 3 is in the powered state, the spindle 34 is retracted, releasing the electromagnet detection switch 33.
The main structure of the steel wire rope assembly 4 according to the present embodiment is shown in fig. 2, and includes a sleeve 41, a steel wire 42 and a connecting stud 43; the inside of sleeve 41 is provided with steel wire 42, and the bottom of steel wire 42 is provided with connecting stud 43, and sleeve 41 is connected with wire rope fixing base 12, and connecting stud 43 inlays in the mounting hole of unblock sprocket 31.
When the vehicle door emergency unlocking device is reset, the shifting block 23 contacts with the second limit screw 15 under the acting force of the reset spring 16 and is in a reset state; the unlocking sprocket 31 contacts with the stop screw 14 under the action of the wire rope assembly 4 and is in a reset state.
The unlocking process of the emergency unlocking device for the vehicle door comprises the following steps:
turning the handle 21, triggering the handle detection switch 13, and receiving a level signal of the handle detection switch 13 by an external controller and sending the level signal to a train control system to request unlocking and wait for a control instruction of the train control system (a first control instruction is used for allowing emergency unlocking and a second control instruction is used for prohibiting emergency unlocking);
after the external controller is controlled to instruct first, the electromagnet assembly 3 is de-energized, the mandrel 34 stretches out, the handle assembly 2 is rotated clockwise, when the handle assembly moves to the 90-degree position, the shifting block 23 drives the electromagnet assembly 3 to rotate through the mandrel 34, the steel wire rope assembly 4 is pulled through the unlocking chain wheel 31, and the passenger compartment side door is opened based on mechanical transmission to complete emergency unlocking operation;
after receiving the control command II, the external controller keeps the electromagnet assembly 3 to be electrified, the mandrel 34 cannot stretch out, at the moment, the handle 21 is rotated, the handle assembly 2 idles in the mounting hole of the unlocking sprocket 31 along the pin 22, the shifting block 3 is driven to idle, the electromagnet assembly 3 cannot be driven to rotate simultaneously, the wire rope assembly 4 cannot be pulled through the unlocking sprocket 31, and the passenger compartment side door cannot be opened.
Claims (6)
1. The utility model provides an urgent unlocking device of door, major structure includes base subassembly and handle subassembly, electro-magnet subassembly and the wire rope subassembly that sets up on it, its characterized in that, handle subassembly is connected with the electro-magnet subassembly, and wire rope subassembly's one end is connected with base subassembly, and the other end is connected with the electro-magnet subassembly.
2. The vehicle door emergency unlocking device according to claim 1, wherein the main structure of the base assembly comprises a base plate, a wire rope fixing seat, a handle motion detection switch, a first limit screw, a second limit screw and a return spring; a steel wire rope fixing seat and a handle motion detection switch are arranged above the back surface of the base plate of the rectangular plate-shaped structure, and a first limit screw, a second limit screw and a reset spring are arranged below the back surface of the base plate.
3. The vehicle door emergency unlocking apparatus according to claim 2, wherein the main structure of the handle assembly includes a handle, a pin shaft and a dial; the handle is connected with the shifting block through the pin shaft, the handle is arranged on the front surface of the base assembly, the pin shaft penetrates through the mounting hole of the base assembly, and the shifting block is arranged on the back surface of the base assembly after covering the reset spring.
4. The vehicle door emergency unlocking apparatus according to claim 3, wherein the main structure of the electromagnet assembly includes an unlocking sprocket, an electromagnet base, an electromagnet action detecting switch, and a spindle; the unlocking chain wheel is connected with the pin shaft, an electromagnet base body is arranged on the back surface of the unlocking chain wheel, an electromagnet action detection switch is arranged above the electromagnet base body, a mandrel is arranged in the unlocking chain wheel, and a through hole for the mandrel to pass through is further formed in the unlocking chain wheel.
5. The vehicle door emergency unlocking apparatus according to claim 4, wherein the main structure of the wire rope assembly includes a sleeve, a wire, and a connection stud; the inside of the sleeve is provided with a steel wire, the bottom end of the steel wire is provided with a connecting stud, the sleeve is connected with the steel wire rope fixing seat, and the connecting stud is embedded in the mounting hole of the unlocking sprocket.
6. The emergency unlocking device for the vehicle door according to claim 5, wherein the pin shaft is connected with an unlocking sprocket, a through hole for the core shaft to pass through is further formed in the unlocking sprocket, the sleeve is connected with the steel wire rope fixing seat, and the connecting stud is embedded in the mounting hole of the unlocking sprocket.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321894111.2U CN220487337U (en) | 2023-07-19 | 2023-07-19 | Emergency unlocking device for vehicle door |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321894111.2U CN220487337U (en) | 2023-07-19 | 2023-07-19 | Emergency unlocking device for vehicle door |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220487337U true CN220487337U (en) | 2024-02-13 |
Family
ID=89839408
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321894111.2U Active CN220487337U (en) | 2023-07-19 | 2023-07-19 | Emergency unlocking device for vehicle door |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220487337U (en) |
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2023
- 2023-07-19 CN CN202321894111.2U patent/CN220487337U/en active Active
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