CN220769158U - Redundant lock for evacuation door - Google Patents
Redundant lock for evacuation door Download PDFInfo
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- CN220769158U CN220769158U CN202322036741.2U CN202322036741U CN220769158U CN 220769158 U CN220769158 U CN 220769158U CN 202322036741 U CN202322036741 U CN 202322036741U CN 220769158 U CN220769158 U CN 220769158U
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- 238000002955 isolation Methods 0.000 claims abstract description 25
- 238000001514 detection method Methods 0.000 claims description 4
- 230000035939 shock Effects 0.000 claims description 4
- 238000010586 diagram Methods 0.000 description 8
- 239000000463 material Substances 0.000 description 2
- 239000006096 absorbing agent Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
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- 238000000034 method Methods 0.000 description 1
- 230000011664 signaling Effects 0.000 description 1
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Abstract
The utility model discloses an evacuation door redundant lock, which comprises an electric suction lock device, a power-off device and a mounting bracket, wherein the electric suction lock device comprises an electric suction buffer device, a suction block and an electric suction device; the power-off device comprises a pull ring touch plate, a power-off travel switch and an isolation pull ring, wherein the isolation pull ring is connected with the pull ring touch plate through a pull rope, the pull rope lifts the pull ring touch plate upwards when the isolation pull ring is locked, the pull rope does not have acting force after the isolation pull ring is unlocked and falls, the pull ring touch plate moves downwards to reset to trigger the power-off travel switch to power off, the power-off travel switch is connected with an electric suction device circuit in series, and the power-off travel switch is powered off to unlock or receive a train to allow evacuation signals to unlock.
Description
Technical Field
The utility model relates to the technical field of electromagnetic locks, in particular to an evacuation door redundant lock.
Background
The emergency evacuation door on the train is not normally used as a door, but is used as a wall body, so that the emergency evacuation door needs to pay attention to whether a normal door lock is locked or not when not used. The existing emergency evacuation doors only consider one-time locking, and the reliability of a door leaf locking system is particularly important for the emergency evacuation doors which are electrically controlled and can be unlocked and opened by one key. When the existing emergency evacuation door cannot be locked again to prevent the fault of an electric control system, the door lock is unlocked abnormally and the door leaf is opened abnormally, so that the vehicle can be braked emergently, and passengers and normal operation of the vehicle are affected. In order to improve the reliability of the door leaf locking system, a redundant lock is needed to be additionally arranged, the control of the redundant lock is not controlled by an emergency evacuation door electric control system, and the switching of the locking state and the unlocking state of the redundant lock is controlled by an additional switch.
The patent of publication number CN201721791871.5 discloses a half high emergency exit electromagnetic lock, according to installation and use needs, divide into left electromagnetic lock and right electromagnetic lock, and control the structure the same, each part of electromagnetic lock is all installed in a concentrated way, and the front upper portion of mounting panel is equipped with travel switch and electro-magnet, and travel switch below is equipped with travel touch plate, pulls out the fork and is connected with travel touch plate through extension spring, and the hook piece is fixed in electromagnet core side and is placed in pulls out the fork below, and the mounting panel back is equipped with driving lever and locking plate, and travel touch plate passes through swing axle with the driving lever and is connected, pulls out the fork and is connected through long main shaft with the locking plate, and when this patent could't solve electrical system trouble, the problem that door lock unblock is unusual and door leaf is unusual opens.
Disclosure of Invention
The utility model provides a redundant lock for an evacuation door, which solves the problems in the prior art.
The technical scheme adopted by the utility model is as follows:
the utility model provides a redundant lock for an evacuation door, which comprises an electric suction lock device, a power-off device and a mounting bracket fixed on a door leaf, wherein the mounting bracket comprises a mounting plate I and a mounting plate II;
the electric suction lock device comprises an electric suction buffer device arranged on the vehicle body, a suction block connected with the second mounting plate and an electric suction device arranged on the electric suction buffer device;
the power-off device comprises a pull-ring touch plate arranged on the first mounting plate, a power-off travel switch arranged on one side of the pull-ring touch plate and in contact with the power-off travel switch, and an isolation pull ring arranged above the pull-ring touch plate, wherein the isolation pull ring is connected with the pull-ring touch plate through a pull rope, the pull rope lifts the pull-ring touch plate upwards when the isolation pull ring is locked, no acting force is generated when the pull rope falls after the isolation pull ring is unlocked, the pull-ring touch plate moves downwards to reset to trigger the power-off travel switch to power off, and the power-off travel switch is connected with an electric suction device circuit in series.
Further, the isolation pull ring comprises a barrel type pull ring and a barrel type clamping groove sleeved outside the barrel type pull ring, a bulge is arranged on the barrel type pull ring, a deep groove and a shallow groove are arranged on the barrel type clamping groove, the bulge is clamped in the shallow groove when the barrel type pull ring is locked, and the bulge is clamped in the deep groove when the barrel type pull ring is unlocked.
Further, the electric suction device is provided with a state detection function.
Further, the pull ring touch plate comprises a pull ring rod sleeved on the first mounting plate, an L-shaped touch plate fixed on the pull ring rod, and a first spring sleeved on the pull ring rod below the mounting plate, wherein the upper end of the pull ring rod is connected with the lower end of the cylindrical pull ring through a pull rope, the L-shaped touch plate is not contacted with a power-off travel switch button during locking, and the L-shaped touch plate moves downwards to trigger the power-off travel switch button to power off during unlocking.
Further, an elastic element is arranged on the contact surface of the suction block and the electric suction device.
Further, the electric suction device is connected with the evacuation door requesting device and the train cab signal.
Further, the electric suction buffer device comprises a plurality of buffer plates, and the buffer plates are connected through a pin shaft and a second spring.
Further, the buffer plate includes fixed buffer plate and movable buffer plate, the movable buffer plate is provided with 10mm + -2 mm's vertical activity.
Further, the electric suction buffer device is connected with the vehicle body through a connecting part.
Further, the rear end of the connecting part is connected to a door opening mechanism.
Compared with the prior art, the utility model has the beneficial effects that:
as the second double locking structure in the door leaf locking system of the evacuation door, the reliability of the door leaf locking system can be improved, the safety protection device of the evacuation door is powered off and unlocked or unlocked by receiving a train permission evacuation signal, the redundant locking device is the safety protection device of the evacuation door and is controlled by a train line or powered off and unlocked only, so that the door leaf is prevented from being unlocked and opened accidentally caused by manual misoperation or the failure of the electric control system of the evacuation door in the running process of a vehicle, and the door leaf can be unlocked and opened manually when the device has a failure.
The utility model is provided with the electric suction buffer device which is used for installing the electric suction device, absorbing the impact of the suction block on the electric suction device when the door leaf is closed, and allowing the electric suction device to swing at a certain angle in the up-down and left-right directions.
Drawings
FIG. 1 is a schematic diagram of a redundant lock for an evacuation door;
FIG. 2 is a schematic diagram of a power outage apparatus for an evacuation door redundant lock;
FIG. 3 is a schematic view of the construction of an isolating tab of an evacuation door redundant lock;
FIG. 4 is a schematic view of a canister tab of an evacuation door redundant lock;
FIG. 5 is a schematic view of a canister type card slot of an evacuation door redundant lock;
FIG. 6 is a schematic diagram of a pull tab touch panel of an evacuation door redundant lock;
FIG. 7 is a schematic diagram of a configuration of a redundant lock for an evacuation door when a tab is locked;
fig. 8 is a schematic diagram of a structure of an evacuation door redundancy lock when a tab touch panel is unlocked;
FIG. 9 is a schematic diagram of an electro-suction lock device of an evacuation door redundant lock;
FIG. 10 is a schematic diagram of an electrical shock absorber of an evacuation door redundant lock;
fig. 11 is a signaling diagram of an evacuation door redundant lock.
In the figure: 1-an electric suction lock device; 11-an electroabsorption buffer device; 1101-buffer plate; 1102-pin shaft; 1103-spring two; 12-sucking block; 13-an electrosucking device; 2-a power-off device; 21-a pull-tab touch plate; 2101-a pull ring lever; 2102-L shaped contact pad; 2103—spring one; 22-a power-off travel switch; 23-isolating pull ring; 2301-a barrel tab; 2302-a cartridge clip slot; 2303-protrusions; 2304-deep grooves; 2305-shallow grooves; 24-pulling rope; 3-mounting a bracket; 31-mounting plate I; 32-mounting plate II; 4-connecting part.
Detailed Description
In order to clearly illustrate the technical features of the present solution, the present utility model will be described in detail below with reference to the following detailed description and the accompanying drawings. In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present application, however, the present application may be practiced otherwise than as described herein, and thus the scope of the present application is not limited by the specific embodiments disclosed below. In addition, in the description of the present application, it should be understood that the terms "center," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," "axial," "radial," "circumferential," etc. indicate or refer to an azimuth or a positional relationship based on that shown in the drawings, and are merely for convenience of description and to simplify the description, and do not indicate or imply that the apparatus or element in question must have a specific azimuth, be configured and operated in a specific azimuth, and therefore should not be construed as limiting the present application. Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include one or more such feature. In the description of the present application, the meaning of "a plurality" is two or more, unless explicitly defined otherwise. In this application, unless specifically stated and limited otherwise, the terms "mounted," "connected," "secured," and the like are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally formed; the device can be mechanically connected, electrically connected and communicated; can be directly connected or indirectly connected through an intermediate medium, and can be communicated with the inside of two elements or the interaction relationship of the two elements. The specific meaning of the terms in this application will be understood by those of ordinary skill in the art as the case may be. In this application, unless expressly stated or limited otherwise, a first feature "up" or "down" a second feature may be the first and second features in direct contact, or the first and second features in indirect contact via an intervening medium. In the description of the present specification, a description referring to terms "one embodiment," "some embodiments," "examples," "specific examples," or "some examples," etc., means that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the present application. In this specification, schematic representations of the above terms are not necessarily directed to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
Example 1
Referring to fig. 1 to 11, an embodiment of the present utility model provides: a redundant lock for an evacuation door comprises an electric suction lock device 1, a power-off device 2 and a mounting bracket 3 fixed on a door leaf.
The mounting bracket 3 is fixed on the door leaf, and the mounting bracket 3 comprises a first mounting plate 31 and a second mounting plate 32.
The electric suction lock device 1 comprises an electric suction buffer device 11 arranged on a vehicle body, a suction block 12 connected with a second mounting plate 32 and an electric suction device 13 arranged on the electric suction buffer device 11; the electric suction buffer device 11 is connected with the vehicle body through a connecting part 4, and the rear end of the connecting part 4 is connected to a door opening mechanism.
The power-off device 2 comprises a pull-ring touch plate 21 arranged on a mounting plate 31, a power-off travel switch 22 arranged on one side of the pull-ring touch plate 21 and in contact with the pull-ring touch plate 21, and an isolation pull ring 23 arranged above the pull-ring touch plate 21, wherein the isolation pull ring 23 is connected with the pull-ring touch plate 21 through a pull rope 24, the power-off travel switch 22 is connected with the electric suction device 13 in series through a circuit, the pull rope 24 lifts the pull-ring touch plate 21 when the isolation pull ring 23 is locked, the pull rope 24 has no acting force after the isolation pull ring 23 is unlocked and falls down, and the pull-ring touch plate 21 moves downwards to reset to trigger the power-off travel switch 22 to be powered off.
The isolating pull ring 23 comprises a barrel-shaped pull ring 2301 and a barrel-shaped clamping groove 2302 sleeved outside the barrel-shaped pull ring 2301, a bulge 2303 is arranged on the barrel-shaped pull ring 2301, a deep groove 2304 and a shallow groove 2305 are arranged on the barrel-shaped clamping groove 2302, and the deep groove 2304 and the shallow groove 2305 are 90 degrees.
The pull ring touch plate 21 comprises a pull ring rod 2101 sleeved on a first mounting plate 31, an L-shaped touch plate 2102 fixed on the pull ring rod 2101, and a first spring 2103 sleeved on the pull ring rod 2101 below the first mounting plate 31, wherein the upper end of the pull ring rod 2101 is connected with the lower end of the cylindrical pull ring 2301 through a pull rope 24, the L-shaped touch plate 2102 contacts with a power-off travel switch 22 button when locked, and the L-shaped touch plate 2102 moves downwards to trigger the power-off travel switch 22 button to power off when unlocked.
The power-off device 2 has two states, namely a locking state and an unlocking state, when in the locking state, the bulge 2303 of the cylindrical pull ring 2301 is clamped in the shallow groove 2305, the isolating pull ring 23 lifts the pull ring touch plate 21 up through the pull rope 24, at this time, the first spring 2103 of the pull ring touch plate 21 is in a compressed state, and the L-shaped touch plate 2102 contacts with the button of the power-off travel switch 22; when in an unlocking state, the bulge 2303 of the barrel type pull ring 2301 is clamped in the deep groove 2304, the barrel type pull ring 2301 descends, the barrel type pull ring 2301 does not act on the pull rope 24, at the moment, the first spring 2103 of the pull ring touch plate 21 resets, the first spring 2103 drives the second L type touch plate 2102 to move downwards to trigger the power-off travel switch 22 to switch off a button, the power-off travel switch 22 detects the state in real time, and the detected state is sent to a cab.
The electric suction device 13 is respectively connected with the evacuation door request device and the train cab signal, the electric suction device 13 has a state detection function, the state detection function of the electric suction device 13 is the prior art, the state is not repeated, the state can be fed back to the train cab through a signal line, and when the vehicle is in operation, if the door leaf is detected to be not closed, the vehicle is braked in emergency; when the door leaf electronic lock is not locked OR the redundant lock device is not locked, the vehicle cannot be towed.
Under the condition of electricity, if the evacuation door needs to be opened, an evacuation door request device (emergency door opening device) beside the evacuation door needs to be opened, and then the evacuation request device can unlock the electronic lock and the redundant lock of the evacuation door when the train cab receives an evacuation request signal and gives an evacuation permission signal; however, when the electronic control system fails, an error signal is sent out to unlock the electronic lock of the evacuation door, and the vehicle can be braked emergently due to the loss of the signal of the electronic lock of the evacuation door in place. During the period, the redundant lock is independently locked, so that the evacuation door can be prevented from being opened accidentally, if the redundant lock is also required to be unlocked, a request signal is sent through the evacuation door request device, when the OCC agrees with the request signal of the evacuation door request device, the electric suction device 13 is powered off by the agreeing request signal, the redundant lock is unlocked, and the evacuation door can be opened. When all signals of the evacuation door are reset, the cab cancels the consent request signal, the redundant lock is powered on again, the door leaf is locked again, and the request and unlocking device is also locked again.
When the evacuation requesting device acts and the redundant lock is not powered off, manual unlocking is needed, and the redundant lock is manually unlocked:
(1) Opening an arc plate maintenance plate;
(2) The hand is extended into the access opening, the cylindrical pull ring 2301 is pulled up a little by a height, and then rotated 90 degrees to the left or right, and the cylindrical pull ring 2301 is released so that the protrusions 2303 fall into the deep grooves 2304.
Manual locking operation of redundant lock:
(1) After the door leaf is closed in place, a hand is extended into the access hole, the cylindrical pull ring 2301 is pulled up to a bit, then rotated leftwards or rightwards by 90 degrees, the cylindrical pull ring 2301 is loosened, the bulge 2303 of the cylindrical pull ring 2301 falls into the shallow groove 2305, and the cylindrical pull ring 2301 is rotated leftwards and rightwards to confirm that the position of the cylindrical pull ring 2301 is correct.
(2) And confirming that the redundant lock is locked normally.
(3) Closing the arc plate access panel.
Example 2
Referring to fig. 1 to 11, an embodiment of the present utility model provides: a redundant lock for an evacuation door comprises an electric suction lock device 1, a power-off device 2 and a mounting bracket 3 fixed on a door leaf.
The mounting bracket 3 is fixed on the door leaf, and the mounting bracket 3 comprises a first mounting plate 31 and a second mounting plate 32.
The electric suction lock device 1 comprises an electric suction buffer device 11 arranged on a vehicle body, a suction block 12 connected with a second mounting plate 32 and an electric suction device 13 arranged on the electric suction buffer device 11; the electric suction buffer device 11 is connected with the vehicle body through a connecting part 4, and the rear end of the connecting part 4 is connected to a door opening mechanism.
Further, the electric suction buffer device 11 comprises a plurality of buffer plates 1101, the plurality of buffer plates 1101 comprise a fixed buffer plate 1101 and a movable buffer plate 1101, the fixed buffer plate 1101 and the movable buffer plate 1101 are connected through a pin shaft 1102 and a second spring 1103, and the movable buffer plate 1101 is provided with a longitudinal movement amount of 10mm plus or minus 2mm and is used for installing the electric suction device 13 and providing a swing of the electric suction device 13 at an angle up and down and left and right.
The power-off device 2 comprises a pull-ring touch plate 21 arranged on a mounting plate 31, a power-off travel switch 22 arranged on one side of the pull-ring touch plate 21 and in contact with the pull-ring touch plate 21, and an isolation pull ring 23 arranged above the pull-ring touch plate 21, wherein the isolation pull ring 23 is connected with the pull-ring touch plate 21 through a pull rope 24, the power-off travel switch 22 is connected with the electric suction device 13 in series through a circuit, the pull rope 24 lifts the pull-ring touch plate 21 when the isolation pull ring 23 is locked, the pull rope 24 has no acting force after the isolation pull ring 23 is unlocked and falls down, and the pull-ring touch plate 21 moves downwards to reset to trigger the power-off travel switch 22 to be powered off.
The isolating pull ring 23 comprises a barrel-shaped pull ring 2301 and a barrel-shaped clamping groove 2302 sleeved outside the barrel-shaped pull ring 2301, a bulge 2303 is arranged on the barrel-shaped pull ring 2301, a deep groove 2304 and a shallow groove 2305 are arranged on the barrel-shaped clamping groove 2302, and the deep groove 2304 and the shallow groove 2305 are 90 degrees.
The pull ring touch plate 21 comprises a pull ring rod 2101 sleeved on a first mounting plate 31, an L-shaped touch plate 2102 fixed on the pull ring rod 2101, and a first spring 2103 sleeved on the pull ring rod 2101 below the first mounting plate 31, wherein the upper end of the pull ring rod 2101 is connected with the lower end of the cylindrical pull ring 2301 through a pull rope 24, the L-shaped touch plate 2102 contacts with a power-off travel switch 22 button when locked, and the L-shaped touch plate 2102 moves downwards to trigger the power-off travel switch 22 button to power off when unlocked.
The power-off device 2 has two states, namely a locking state and an unlocking state, when in the locking state, the bulge 2303 of the cylindrical pull ring 2301 is clamped in the shallow groove 2305, the isolating pull ring 23 lifts the pull ring touch plate 21 up through the pull rope 24, at this time, the first spring 2103 of the pull ring touch plate 21 is in a compressed state, and the L-shaped touch plate 2102 contacts with the button of the power-off travel switch 22; when in an unlocking state, the bulge 2303 of the barrel type pull ring 2301 is clamped in the deep groove 2304, the barrel type pull ring 2301 descends, the barrel type pull ring 2301 does not act on the pull rope 24, at the moment, the first spring 2103 of the pull ring touch plate 21 resets, the first spring 2103 drives the second L type touch plate 2102 to move downwards to trigger the power-off travel switch 22 to switch off a button, the power-off travel switch 22 detects the state in real time, and the detected state is sent to a cab.
Example 3
Referring to fig. 1 to 11, an embodiment of the present utility model provides: a redundant lock for an evacuation door comprises an electric suction lock device 1, a power-off device 2 and a mounting bracket 3 fixed on a door leaf.
The mounting bracket 3 is fixed on the door leaf, and the mounting bracket 3 comprises a first mounting plate 31 and a second mounting plate 32.
The electric suction lock device 1 comprises an electric suction buffer device 11 arranged on a vehicle body, a suction block 12 connected with a second mounting plate 32 and an electric suction device 13 arranged on the electric suction buffer device 11; the electric suction buffer device 11 is connected with the vehicle body through a connecting part 4, and the rear end of the connecting part 4 is connected to a door opening mechanism.
Further, the contact surface of the suction block 12 and the electric suction device 13 is provided with an elastic element.
The power-off device 2 comprises a pull-ring touch plate 21 arranged on a mounting plate 31, a power-off travel switch 22 arranged on one side of the pull-ring touch plate 21 and in contact with the pull-ring touch plate 21, and an isolation pull ring 23 arranged above the pull-ring touch plate 21, wherein the isolation pull ring 23 is connected with the pull-ring touch plate 21 through a pull rope 24, the power-off travel switch 22 is connected with the electric suction device 13 in series through a circuit, the pull rope 24 lifts the pull-ring touch plate 21 when the isolation pull ring 23 is locked, the pull rope 24 has no acting force after the isolation pull ring 23 is unlocked and falls down, and the pull-ring touch plate 21 moves downwards to reset to trigger the power-off travel switch 22 to be powered off.
The isolating pull ring 23 comprises a barrel-shaped pull ring 2301 and a barrel-shaped clamping groove 2302 sleeved outside the barrel-shaped pull ring 2301, a bulge 2303 is arranged on the barrel-shaped pull ring 2301, a deep groove 2304 and a shallow groove 2305 are arranged on the barrel-shaped clamping groove 2302, and the deep groove 2304 and the shallow groove 2305 are 90 degrees.
The pull ring touch plate 21 comprises a pull ring rod 2101 sleeved on a first mounting plate 31, an L-shaped touch plate 2102 fixed on the pull ring rod 2101, and a first spring 2103 sleeved on the pull ring rod 2101 below the first mounting plate 31, wherein the upper end of the pull ring rod 2101 is connected with the lower end of the cylindrical pull ring 2301 through a pull rope 24, the L-shaped touch plate 2102 contacts with a power-off travel switch 22 button when locked, and the L-shaped touch plate 2102 moves downwards to trigger the power-off travel switch 22 button to power off when unlocked.
The power-off device 2 has two states, namely a locking state and an unlocking state, when in the locking state, the bulge 2303 of the cylindrical pull ring 2301 is clamped in the shallow groove 2305, the isolating pull ring 23 lifts the pull ring touch plate 21 up through the pull rope 24, at this time, the first spring 2103 of the pull ring touch plate 21 is in a compressed state, and the L-shaped touch plate 2102 contacts with the button of the power-off travel switch 22; when in an unlocking state, the bulge 2303 of the barrel type pull ring 2301 is clamped in the deep groove 2304, the barrel type pull ring 2301 descends, the barrel type pull ring 2301 does not act on the pull rope 24, at the moment, the first spring 2103 of the pull ring touch plate 21 resets, the first spring 2103 drives the second L type touch plate 2102 to move downwards to trigger the power-off travel switch 22 to switch off a button, the power-off travel switch 22 detects the state in real time, and the detected state is sent to a cab.
It will be evident to those skilled in the art that the utility model is not limited to the details of the foregoing illustrative embodiments, and that the present utility model may be embodied in other specific forms without departing from the spirit or essential characteristics thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the utility model being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein.
Claims (10)
1. The redundant lock for the evacuation door is characterized by comprising an electric suction lock device, a power-off device and a mounting bracket fixed on a door leaf, wherein the mounting bracket comprises a first mounting plate and a second mounting plate;
the electric suction lock device comprises an electric suction buffer device arranged on the vehicle body, a suction block connected with the second mounting plate and an electric suction device arranged on the electric suction buffer device;
the power-off device comprises a pull-ring touch plate arranged on the first mounting plate, a power-off travel switch arranged on one side of the pull-ring touch plate and in contact with the pull-ring touch plate, and an isolation pull ring arranged above the pull-ring touch plate, wherein the isolation pull ring is connected with the pull-ring touch plate through a pull rope, the pull rope lifts the pull-ring touch plate upwards when the isolation pull ring is locked, no acting force is generated when the pull rope falls after the isolation pull ring is unlocked, the pull-ring touch plate moves downwards to reset to trigger the power-off travel switch to power off, and the power-off travel switch is connected with an electric suction device circuit in series.
2. The evacuation door redundant lock according to claim 1 wherein the isolating pull ring comprises a cylindrical pull ring and a cylindrical clamping groove sleeved outside the cylindrical pull ring, wherein a protrusion is arranged on the cylindrical pull ring, a deep groove and a shallow groove are arranged on the cylindrical clamping groove, the protrusion is clamped in the shallow groove when the cylindrical pull ring is locked, and the protrusion is clamped in the deep groove when the cylindrical pull ring is unlocked.
3. The evacuation door redundant lock according to claim 2 wherein the pull ring touch plate comprises a pull ring rod sleeved on the first mounting plate, an L-shaped touch plate fixed on the pull ring rod, and a first spring sleeved on the pull ring rod below the mounting plate, wherein the upper end of the pull ring rod is connected with the lower end of the barrel-shaped pull ring through a pull rope, the L-shaped touch plate is not contacted with a power-off travel switch button when locked, and the L-shaped touch plate moves downwards to trigger the power-off travel switch button to power off when unlocked.
4. An evacuation door redundancy lock as claimed in claim 1 wherein said electrical suction means is provided with a status detection function.
5. An evacuation door redundancy lock as claimed in claim 1 wherein the contact surface of the suction block with the electrical suction means is provided with resilient elements.
6. An evacuation door redundant lock according to claim 1 wherein the electrical suction means is interconnected with the evacuation door request means and the train cab signal.
7. An evacuation door redundant lock according to claim 1 wherein said electrically-powered shock absorbing means comprises a plurality of shock absorbing plates connected by pins and springs two.
8. An evacuation door redundancy lock as claimed in claim 7 wherein said buffer panel comprises a fixed buffer panel and a movable buffer panel, said movable buffer panel being provided with a longitudinal play of 10mm ± 2 mm.
9. An evacuation door redundant lock according to claim 1 wherein the electrical shock absorbing device is connected to the vehicle body by a connecting member.
10. An evacuation door redundant lock according to claim 9 wherein the connection member rear end is connected to a door opening mechanism.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322036741.2U CN220769158U (en) | 2023-07-31 | 2023-07-31 | Redundant lock for evacuation door |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322036741.2U CN220769158U (en) | 2023-07-31 | 2023-07-31 | Redundant lock for evacuation door |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220769158U true CN220769158U (en) | 2024-04-12 |
Family
ID=90619822
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322036741.2U Active CN220769158U (en) | 2023-07-31 | 2023-07-31 | Redundant lock for evacuation door |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220769158U (en) |
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2023
- 2023-07-31 CN CN202322036741.2U patent/CN220769158U/en active Active
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