CN109798030B - Manual unlocking device for platform screen door - Google Patents
Manual unlocking device for platform screen door Download PDFInfo
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- CN109798030B CN109798030B CN201910214256.5A CN201910214256A CN109798030B CN 109798030 B CN109798030 B CN 109798030B CN 201910214256 A CN201910214256 A CN 201910214256A CN 109798030 B CN109798030 B CN 109798030B
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- unlocking
- worm
- assembly
- ejector rod
- screen door
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- 230000000149 penetrating effect Effects 0.000 claims description 5
- 239000000725 suspension Substances 0.000 claims description 3
- 230000009471 action Effects 0.000 description 8
- 238000009434 installation Methods 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 230000008901 benefit Effects 0.000 description 2
- 238000010276 construction Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000004378 air conditioning Methods 0.000 description 1
- 238000005452 bending Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 238000012546 transfer Methods 0.000 description 1
- 238000009423 ventilation Methods 0.000 description 1
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Classifications
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- E—FIXED CONSTRUCTIONS
- E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
- E05B—LOCKS; ACCESSORIES THEREFOR; HANDCUFFS
- E05B15/00—Other details of locks; Parts for engagement by bolts of fastening devices
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- E—FIXED CONSTRUCTIONS
- E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
- E05B—LOCKS; ACCESSORIES THEREFOR; HANDCUFFS
- E05B15/00—Other details of locks; Parts for engagement by bolts of fastening devices
- E05B15/10—Bolts of locks or night latches
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- E—FIXED CONSTRUCTIONS
- E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
- E05B—LOCKS; ACCESSORIES THEREFOR; HANDCUFFS
- E05B63/00—Locks or fastenings with special structural characteristics
- E05B63/14—Arrangement of several locks or locks with several bolts, e.g. arranged one behind the other
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- E—FIXED CONSTRUCTIONS
- E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
- E05B—LOCKS; ACCESSORIES THEREFOR; HANDCUFFS
- E05B65/00—Locks or fastenings for special use
- E05B65/08—Locks or fastenings for special use for sliding wings
Abstract
The invention discloses a manual unlocking device of a platform screen door, which comprises the following components: the manual unlocking module is used for opening the shielding door at the track side and comprises a handle unlocking assembly, an upper fixing assembly and an upper unlocking ejector rod, wherein the upper end of the upper unlocking ejector rod is connected with the upper fixing assembly, the lower end of the upper unlocking ejector rod is connected with the handle unlocking assembly, the handle unlocking assembly comprises a shell and a handle, the handle is hinged on one side of the shell through a rotating shaft, a worm assembly is arranged on the other side of the shell, one end of the rotating shaft is connected with one end of the worm assembly through a connecting plate, and the other end of the worm assembly is connected with the upper unlocking ejector rod; the key unlocking module is arranged below the manual unlocking module to open the shielding door at the platform side, and comprises a lower unlocking ejector rod, a lower fixing assembly and a lock cylinder assembly, wherein the lower fixing assembly is sleeved on the lower unlocking ejector rod, the lower end of the lower unlocking ejector rod is connected with the lock cylinder assembly, and the upper end of the lower unlocking ejector rod is connected with the worm assembly.
Description
Technical Field
The invention relates to a door unlocking mechanism, in particular to a manual unlocking device for a platform screen door.
Background
With the sustainable development of national economy, public transportation, especially subway construction, is widely developed, and subway construction is being developed in many large cities. But in order to ensure the safety of passengers, the platform edge is provided with a shielding door system which isolates the station platform from the driving tunnel area so as to reduce the energy consumption of the operation of the station air-conditioning ventilation system, reduce the influence of train operation noise and piston wind on the station and provide a safe and comfortable waiting environment for the passengers. Meanwhile, passengers on the platform are prevented from falling into the track due to carelessness or crowding, the passengers are injured, and the normal operation of the train is influenced. The platform sliding door corresponding to the train door is a necessary door for passengers to get on or off the train, the safety and reliability are required, under normal conditions, the opening and closing of the platform sliding door is realized by a motor driving and controlling system, and when an emergency (such as power failure or other system faults) occurs, the opening of the platform sliding door cannot be realized by utilizing the motor driving system and the controlling system, so that in order to protect the safety of the passengers getting on or off the train, a manual unlocking device of the platform shielding door is required, so that the passengers can open the shielding door to leave the carriage under the emergency.
In view of this, it is necessary to provide a manual unlocking device for a platform screen door to open the platform screen door on both the track side and the platform side.
Disclosure of Invention
The technical problem to be solved by the invention is to provide a manual unlocking device for a platform screen door, which can open the platform screen door at the track side and also can open the platform screen door at the platform side.
In order to solve the technical problems, the invention adopts the following technical scheme: the manual unlocking device of the platform screen door is arranged in a vertical frame of the platform screen door and comprises a manual unlocking module and a key unlocking module; the manual unlocking module is used for opening the platform screen door at the track side and comprises a handle unlocking assembly, an upper fixing assembly and an upper unlocking ejector rod, wherein the upper end of the upper unlocking ejector rod is connected with the upper fixing assembly and moves up and down along the upper fixing assembly, the lower end of the upper unlocking ejector rod is connected with the handle unlocking assembly, the handle unlocking assembly comprises a shell, a handle and a worm assembly, the shell is fixed in the vertical frame, the handle is hinged to one side of the shell through a rotating shaft, the worm assembly is arranged on the other side of the shell, one end of the rotating shaft is connected with one end of the worm assembly through a connecting plate, and the lower end of the upper unlocking ejector rod is connected with the other end of the worm assembly so that the upper unlocking ejector rod is interlocked with the handle of the handle unlocking assembly to move up and down; the key unlocking module is used for opening the platform screen door at the platform side, is arranged below the manual unlocking module and comprises a lower unlocking ejector rod, a lower fixing assembly and a lock cylinder assembly, wherein the lower fixing assembly is sleeved on the lower unlocking ejector rod, the lower end of the lower unlocking ejector rod is connected with the lock cylinder assembly, the upper end of the lower unlocking ejector rod is connected with one end of the worm assembly and is abutted with the lower end of the upper unlocking ejector rod, and the lower unlocking ejector rod is enabled to move up and down in linkage with the operation of a key inserted into a key hole of the lock cylinder assembly.
The further technical scheme is as follows: the worm assembly comprises a worm and a worm sleeve, the worm sleeve and the worm are of hollow main structures, the worm sleeve is arranged on the other side of the shell, the worm penetrates through an inner hole of the worm sleeve, a bulge is formed on one side of the worm sleeve, which is far away from the shell, a spiral groove for the bulge to slide is formed on one side of the worm sleeve, which is close to the shell, a linear guide groove is formed on one side of the worm sleeve, which is close to the shell, so that the worm sleeve can move up and down relative to the shell, the lower end of the upper unlocking ejector rod is arranged in the worm and is positioned at the upper end of the worm, and the upper end of the lower unlocking ejector rod is arranged in the worm and is positioned at the lower end of the worm.
The further technical scheme is as follows: the worm assembly further comprises a supporting plate, a first folded plate and a second folded plate are formed in the middle of the supporting plate in a bending mode, the first folded plate is arranged on the shell, and a positioning hole through which the fixing piece penetrates is formed in the first folded plate, so that the handle unlocking assembly is fixed in the vertical frame of the platform screen door through the fixing piece; the second folding plate is arranged opposite to the lower end face of the worm and is correspondingly provided with a through hole for the worm to pass through, and the lower end of the worm passes through the through hole of the connecting plate and passes through the through hole through a shaft sleeve.
The further technical scheme is as follows: the lower end part of the worm is sleeved with a torsion spring, and the lower end of the torsion spring is abutted with the connecting plate.
The further technical scheme is as follows: the upper fixing assembly comprises a bracket and a spring, the bracket comprises a main plate, the main plate is connected with the vertical frame so as to be arranged in the vertical frame, a baffle is formed by extending the upper end part of the main plate towards the direction far away from the vertical frame, a penetrating hole for the upper unlocking ejector rod to penetrate is formed in the baffle, the upper end of the upper unlocking ejector rod penetrates through the penetrating hole, and a top locking supporting plate is fixed at the top end of the upper unlocking ejector rod; the spring housing is located go up the upper end of unblock ejector pin just the one end of spring with baffle butt, its other end is connected with a spring holder, the spring holder set up in on the mainboard and its one side that is close to the mainboard be formed with a chimb, be formed with on the mainboard and supply the chimb is put into and gliding spout from top to bottom, go up the unblock ejector pin pass the spring holder and with spring holder interconnect, and wear to locate in the spring.
The further technical scheme is as follows: the lock cylinder assembly comprises a lower rod connector, a rotating arm, a lock core shaft and a lock head seat, wherein two ends of the lower rod connector are opened, the lower end of a lower unlocking ejector rod is arranged in the upper end of the lower rod connector, the lower end of the lower rod connector is provided with a mounting position for the rotating arm to mount, the upper end of the rotating arm is hinged in the mounting position, two sides of the lower end of the rotating arm respectively extend outwards to form top edges, and the two top edges are respectively abutted with two sides of the lower end of the lower rod connector; the lock cylinder seat comprises a bottom plate, a connecting part is formed by extending the center of the back surface of the bottom plate vertically outwards, the connecting part is of a hollow main body structure, the key hole corresponds to the connecting part and is arranged on the bottom plate, the key hole is communicated with the connecting part so as to be used for inserting a key into the connecting part, a suspension end of the connecting part is connected with one end of a lock cylinder shaft, and the other end of the lock cylinder shaft is connected with the upper end of a rotating arm so that the rotating arm is in linkage with the operation of inserting the key of the key hole.
The further technical scheme is as follows: the lower fixing assembly comprises a supporting plate, the supporting plate is connected with the vertical frame to be arranged in the vertical frame, a clamping plate is formed at the upper end of the supporting plate in an extending mode in the direction away from the vertical frame, and a containing groove for the lower unlocking ejector rod to penetrate is formed in the clamping plate.
The further technical scheme is as follows: and a limiting piece is arranged on the lower unlocking ejector rod corresponding to the accommodating groove, one end of the limiting piece is connected with the lower unlocking ejector rod, and the other end of the limiting piece extends out of the accommodating groove to prevent the lower unlocking ejector rod from rotating.
The beneficial technical effects of the invention are as follows: the manual unlocking device for the platform screen door is characterized in that the manual unlocking module is arranged for passengers to open the platform screen door at the track side, and the key unlocking module is used for station service personnel to open the platform screen door at the platform side through a key, so that manual unlocking operation can be realized at the two sides of the platform screen door through simple operation under emergency, passengers can pass between a train carriage and a platform, and the manual unlocking device is simple in structure, safe and reliable.
Drawings
Fig. 1 is a schematic view of the manual unlocking device of the platform screen door of the present invention.
FIG. 2 is a schematic view of the manual unlocking device of the platform screen door of FIG. 1 installed in a mullion of the platform screen door.
Fig. 3 is a schematic view of the handle unlocking assembly of the manual unlocking device for the platform screen door shown in fig. 1.
FIG. 4 is a schematic view of the worm gear housing of the handle unlocking assembly of FIG. 3.
Fig. 5 is a schematic view of the back side of the handle unlocking assembly of fig. 3.
Fig. 6 is a schematic view of the structure of the handle unlocking assembly of fig. 5 in an unlocked state.
Fig. 7 is a schematic view of the upper fixing assembly of the manual unlocking device for the platform screen door shown in fig. 1.
Fig. 8 is a schematic view of the manual unlocking device of the platform screen door of fig. 1, with the lock cylinder assembly omitted from the lower rod adapter.
Fig. 9 is a schematic view of the installation structure of the lower fixing assembly and the lower unlocking post rod of the manual unlocking device for the platform screen door shown in fig. 1.
Fig. 10 is a schematic view of the manual unlocking device for the platform screen door shown in fig. 1 in a state of being unlocked by using the manual unlocking module.
Fig. 11 is a schematic view of the manual unlocking device for the platform screen door shown in fig. 1 in a state of being unlocked by a key unlocking module.
Detailed Description
The present invention will be further described with reference to the drawings and examples below in order to more clearly understand the objects, technical solutions and advantages of the present invention to those skilled in the art.
Referring to fig. 1 and 2, in the present embodiment, the manual unlocking device 10 for a platform screen door is installed in a mullion 20 of the platform screen door, and the manual unlocking device 10 for a platform screen door includes a manual unlocking module 110 and a key unlocking module 120. The manual unlocking module 110 is used for passengers to open the platform screen door at the track side, and the key unlocking module 120 is used for station service personnel to open the platform screen door at the platform side by using a key.
Referring to fig. 1 to 3, the manual unlocking module 110 includes a handle unlocking component 111, an upper fixing component 112, and an upper unlocking push rod 113, wherein an upper end of the upper unlocking push rod 113 is connected with the upper fixing component 112 and can move up and down along the upper fixing component 112, and a lower end of the upper unlocking push rod 113 is connected with the handle unlocking component 111. The handle unlocking assembly 111 includes a housing 1111, a handle 1112, and a worm assembly 1113. The casing 1111 is fixed in the mullion 20, the handle 1112 is hinged on one side of the casing 1111 through a rotating shaft 1114, the worm assembly 1113 is mounted on the other side of the casing 1111, one end of the rotating shaft 1114 is connected with the lower end of the worm assembly 1113 through a connecting plate 1115, and the lower end of the upper unlocking ejector 113 is connected with the upper end of the worm assembly 1113, so that the upper unlocking ejector 113 and the handle 1112 of the handle unlocking assembly 111 are interlocked to move up and down. The connecting plate 1115 is arranged to transmit the rotation of the rotating shaft 1114 to the upper unlocking ejector rod 113, the upper unlocking ejector rod 113 is driven to move upwards, and when the upper moving Cheng Manzu unlocking requirement is met, the manual unlocking on the track side is realized, so that the platform screen door can be opened on the track side. Preferably, there are a plurality of the connection plates 1115, and a plurality of connection plates 1115 are connected in sequence. Specifically, the handle unlocking component 111 is located in the middle of the manual unlocking device 1 for a platform screen door, the handle 1112 may be covered on the casing 1111 and extend from the mullion 20, the casing 1111, the handle 1112 and the rotating shaft 1114 are all vertically disposed, mounting holes for the rotating shaft 1114 to penetrate are formed at two ends of the casing 1111, one side of the handle 1112 is sleeved on the rotating shaft 1114 and connected with the rotating shaft 1114, and two ends of the rotating shaft 1114 are respectively disposed in the corresponding mounting holes to realize the hinge connection of the handle 1112 and the casing 1111, so that the rotating shaft 1114 rotates along with the opening and closing actions of the handle 1112. The connecting plate 1115 is horizontally disposed, and a plurality of holes are formed thereon for allowing one end of the rotating shaft 1114 and the lower end of the worm assembly 1113 to pass through, so as to transfer the rotation of the rotating shaft 1114 to the worm assembly 1113, thereby driving the upper unlocking ejector 113 to move.
With continued reference to fig. 1 and 2, the key unlocking module 120 is disposed below the manual unlocking module 110, and includes a lower unlocking post 121, a lower fixing component 122 and a lock cylinder component 123, where the lower fixing component 122 is sleeved on the lower unlocking post 121, the lower end of the lower unlocking post 121 is connected with the lock cylinder component 123, and the upper end of the lower unlocking post 121 is connected with the lower end of the worm component 1113 and is abutted with the lower end of the upper unlocking post 113, so that the lower unlocking post 121 is interlocked with the operation of a key inserted into a key hole 1231 of the lock cylinder component 123 to move up and down. The upper unlocking ejector 113 can be pushed to move upwards by controlling the lower unlocking ejector 121 to move upwards, and when the upper traveling Cheng Manzu unlocking requirement is met, the manual unlocking on the platform side can be realized, so that the platform screen door can be opened on the platform side.
Referring to fig. 1 to 6, specifically, in the present embodiment, the worm assembly 1113 includes a worm 1301 and a worm sleeve 1302, the worm sleeve 1302 and the worm 1301 are both hollow, the worm sleeve 1302 is disposed on the other side of the housing 1111, the worm 1301 is disposed in the inner hole 1303 of the worm sleeve 1302, a protrusion 1304 is formed on one side of the worm 1301, a spiral groove 1305 for sliding the protrusion 1304 is formed on one side of the worm sleeve 1302 away from the housing 1111, a linear guide groove 1306 is formed on one side of the worm sleeve 1302 close to the housing 1111, a limit protrusion is formed corresponding to the linear guide groove 1306 in the housing 1111, the limit protrusion is disposed in the linear guide groove 1306, such that the worm sleeve 1302 is connected with the housing 1111 through the linear guide groove 1306, and the limit protrusion can slide relative to the linear guide groove 1306 along with movement of the worm sleeve 1302, so that the worm sleeve 1302 can move up and down relative to the housing 1111. The lower end of the upper unlocking push rod 113 is arranged in the worm 1301 and is positioned at the upper end of the worm 1301, and the upper end of the lower unlocking push rod 121 is arranged in the worm 1301 and is positioned at the lower end of the worm 1301. Preferably, the worm sleeve 1302 is a hollow cylinder structure, the worm 1301 is a hollow cylinder structure, the inner diameter of the inner hole 1303 of the worm sleeve 1302 is equal to the outer diameter of the worm 1301, the inner diameter of the round hole of the worm 1301 is equal to the outer diameter of the upper unlocking post 113, so that the worm assembly 1113 is connected with the upper unlocking post 113 and can be interlocked with the movement of the upper unlocking post 113. The upper unlocking ejector rod 113 can be prevented from rotating in the moving process by arranging the limit protrusions on the matching of the linear guide groove 1306, so that energy loss is reduced, and working efficiency is improved.
Specifically, in this embodiment, the worm assembly 1113 further includes a support plate 1307, where the support plate 1307 is bent along a middle portion to form a first folding plate 3071 and a second folding plate 3072, where the first folding plate 3071 is disposed on the housing 1111, and a positioning hole through which a fixing member passes is disposed on the first folding plate 3071, so as to fix the handle unlocking assembly 111 in the mullion 20 of the platform screen door through the fixing member. Preferably, the fixing member is a screw. The second folding plate 3072 is disposed opposite to the lower end surface of the worm 1301, and a through hole for the worm 1301 to pass through is correspondingly disposed on the second folding plate 3072, and the lower end of the worm 1301 passes through the through hole of the connecting plate 1115 and passes through a shaft sleeve 3073 to be disposed in the through hole. By arranging the shaft sleeve 3073, the lower end of the worm 1301 can be better penetrated in the through hole, and the worm 1301 is prevented from being damaged in the moving process.
Specifically, in this embodiment, a torsion spring 3074 is sleeved on the lower end portion of the worm 1301, and the lower end of the torsion spring 3074 abuts against the connection plate 1115. The spring characteristics may be utilized by providing the torsion spring 3074 to restore the manual unlocking module 110 to an initial state.
Referring to fig. 1, 2 and 7, in this embodiment, the upper fixing assembly 112 includes a bracket 1121 and a spring 1122, the bracket 1121 includes a main board 2101, the main board 2101 is connected with the mullion 20 to be disposed in the mullion 20, and a baffle 2102 is formed at an upper end of the main board 2101 and extends in a direction away from the mullion 20, a through hole 2103 through which the upper unlocking post 113 passes is formed on the baffle 2102, an upper end of the upper unlocking post 113 passes through the through hole 2103, and a top locking support 1123 is fixed at a top end of the upper unlocking post 113. Normally, the manual unlocking device 10 for a platform screen door is installed in the mullion 20 of the platform screen door, an unlocking button is arranged on the inner top surface of the mullion 20, a certain distance is reserved between the top end of the upper unlocking ejector rod 113 and the inner top surface of the mullion 20, when unlocking operation is performed, the upper unlocking ejector rod 113 moves upwards to be in contact with the unlocking button on the inner top surface of the mullion 20, a top lock supporting plate 1123 is arranged to increase the contact area with the top surface of the mullion 20, damage to the mullion 20 and the upper unlocking ejector rod 113 is avoided, and poor contact caused by small contact area is prevented, wherein the unlocking button is used for opening the platform screen door.
The spring 1122 is sleeved at the upper end of the upper unlocking ejector rod 113, one end of the spring 1122 is abutted to the baffle 2102, the other end of the spring 1122 is connected with a spring seat 1124, the spring seat 1124 is arranged on the main board 2101, a convex edge 1125 is formed on one side of the spring seat 1124, which is close to the main board 2101, and a chute 2104 for the convex edge 1125 to be placed in and slide up and down is formed on the main board 2101. The spring seat 1124 is formed with a receiving hole through which the upper unlocking push rod 113 passes, the upper unlocking push rod 113 passes through the receiving hole to pass through the spring seat 1124 and is connected with the spring seat 1124, and the upper unlocking push rod 113 passes through the spring 1122. Restoring manual unlocking module 110 to the original state is accomplished by providing spring 1122 to take advantage of the spring characteristics.
Referring to fig. 1, 2 and 8, specifically, in this embodiment, the lock cylinder assembly 123 includes a lower rod joint 1232, a rotating arm 1233, a lock cylinder shaft 1234 and a lock cylinder base 1235, two ends of the lower rod joint 1232 are opened, the lower end of the lower unlocking push rod 121 is disposed in the upper end of the lower rod joint 1232, an installation position for installing the rotating arm 1233 is formed at the lower end of the lower rod joint 1232, the upper end of the rotating arm 1233 is hinged in the installation position, two sides of the lower end of the rotating arm 1233 respectively extend outwards to form a top edge 3301, and two top edges 3301 respectively abut against two sides of the lower end of the lower rod joint 1232. The lock cylinder base 1235 comprises a bottom plate 3501, a connecting portion 3502 is formed by extending the center of the back surface of the bottom plate 3501 vertically and outwards, the connecting portion 3502 is of a hollow main body structure, the key hole 1231 corresponds to the connecting portion 3502 and is arranged on the bottom plate 3501, the key hole 1231 is communicated with the connecting portion 3502 so that a key can be inserted into the connecting portion 3502, a suspension end of the connecting portion 3502 is connected with one end of the lock cylinder shaft 1234, the other end of the lock cylinder shaft 1234 is connected with the upper end of the rotating arm 1233 so that the rotating arm 1233 rotates in linkage with a key inserted into the key hole 1231, and a top edge 3301 of the rotating arm 1233 jacks up the lower rod joint 1232 along with rotation so that the lower unlocking ejector 121 moves upwards, so that the worm 1301 is driven to move upwards, and the upper unlocking ejector 113 moves upwards. Preferably, the lock cylinder block 1235 of the lock cylinder assembly 123 is disposed in correspondence with the skirting board 201 of the platform screen door.
Referring to fig. 1, 2 and 9, in particular, in the present embodiment, the lower fixing assembly 122 includes a support plate 1221, the support plate 1221 is connected with the mullion 20 so as to be disposed in the mullion 20, and a clamping plate 1222 is formed by extending an upper end portion of the support plate 1221 in a direction away from the mullion 20, and a receiving groove 1223 for the lower unlocking post 121 to penetrate is formed on the clamping plate 1222.
Preferably, a limiting member 1211 is disposed on the lower unlocking post 121 corresponding to the accommodating groove 1223, one end of the limiting member 1211 is connected to the lower unlocking post 121, and the other end extends out of the accommodating groove 1223 to prevent the lower unlocking post 121 from rotating axially around itself. By arranging the limiting piece 1211, the lower unlocking ejector rod 121 can be prevented from rotating in the moving process, so that the energy loss is reduced, and the working efficiency is improved.
Referring to fig. 1 to 10, based on the above-mentioned design, when a passenger needs to open the platform screen door at the track side, the passenger opens the handle 1112 of the handle unlocking assembly 111 of the manual unlocking module 110 from the covered state, drives the rotation shaft 1114 to rotate as the passenger operates the handle 1112, and transmits the rotation shaft to the worm 1301 through the connection plate 1115 to drive the worm 1301 to rotate, so that the protrusion 1304 of the worm 1301 slides up to the edge of the spiral groove 1305 along the spiral groove 1305 on the worm sleeve 1302 to push the worm sleeve 1302 to move up in the housing 1111, and at this time, the torsion spring 3074 is compressed; the worm sleeve 1302 moves upwards to drive the upper unlocking ejector rod 113 to move upwards, so that the spring seat 1124 of the upper fixing assembly 112 connected with the upper unlocking ejector rod 113 slides upwards along the chute 2104 of the main board 2101 of the bracket 1121, the spring 1122 is compressed, and if the moving stroke of the upper unlocking ejector rod 113 meets the unlocking requirement, the manual unlocking of the platform screen door on the rail side is completed. Specifically, the unlocking requirement may be that the top lock support plate 1123 fixed to the top end of the upper unlocking post 113 is in contact with the top surface of the mullion 20. After the unlocking action is completed, the action of the external force is removed, the upper unlocking ejector rod 113 moves downwards under the action of the spring 1122 by utilizing the spring characteristic, the worm assembly 1113 is driven to move downwards, the worm 1301 slides downwards along the spiral groove 1305 under the action of the torsion spring 3074, the bulge 1304 is automatically reset and the initial state is restored, the connecting plate 1115 transmits the movement of the worm 1301 to the rotating shaft 1114 to drive the rotating shaft 1114 to rotate, so that the handle 1112 is driven to reset and cover the shell 1111.
Referring to fig. 1 to 9, in combination with fig. 11, when a station attendant needs to open a platform screen door at a platform side, kick-open a skirting 201, so that a key hole 1231 of a lock cylinder assembly 123 is exposed for the station attendant to insert a key, turn the key to rotate the key hole 1231, and simultaneously drive a connection portion 3502 of a lock cylinder block 1235 connected and communicated with the key hole 1231 to rotate, so as to drive a lock core shaft 1234 and a rotating arm 1233 to rotate, so as to realize that the rotating arm 1233 rotates in linkage with the operation of the key inserted into the key hole 1231, a top edge 3301 of the rotating arm 1233 is separated from one side of a lower rod joint 1232, and the other top edge 3301 of the rotating arm 1233 pushes up the lower rod joint 1232 along with the rotation, so that a lower unlocking post rod 121 moves upward, so that a boss 1304 of the worm 1305 slides upward along a spiral groove 1111 on the worm sleeve 1305 to the edge of the spiral groove, and then pushes the worm sleeve 1305 upward in a housing, and a torsion spring 3074 is compressed; the worm sleeve 1302 moves upwards to drive the upper unlocking ejector rod 113 to move upwards, so that the spring seat 1124 of the upper fixing assembly 112 connected with the upper unlocking ejector rod 113 slides upwards along the chute 2104 of the main board 2101 of the bracket 1121, the spring 1122 is compressed, and if the moving stroke of the upper unlocking ejector rod 113 meets the unlocking requirement, the manual unlocking of the platform screen door on the platform side is completed. Specifically, the unlocking requirement may be that the top lock support plate 1123 fixed to the top end of the upper unlocking post 113 is in contact with the top surface of the mullion 20. After the unlocking action is completed, the key is rotated in the opposite direction to drive the connecting part 3502 of the lock cylinder block 1235 which is connected and communicated with the key hole 1231 to rotate so as to drive the lock core shaft 1234 and the rotating arm 1233 to rotate, and the rotating arm 1233 is interlocked with the operation of inserting the key into the key hole 1231, so that the top edge 3301 of the rotating arm 1233 which is contacted with the lower rod joint 1232 at the moment rotates in the direction away from the lower rod joint 1232, and the top edge of the rotating arm 1233 which is separated from the lower rod joint 1232 moves in the direction approaching to the lower rod joint 1232, and both sides of the lower rod joint 1232 are abutted with the top edge 3301 of the rotating arm 1233; under the action of the torsion spring 3074, the worm 1301 slides down the spiral groove 1305 to restore the original state automatically by removing the effect of the external force and utilizing the spring characteristic, the upper unlocking ejector rod 113 moves downwards under the action of the spring 1122 to drive the worm assembly 1113 to move downwards.
In summary, the manual unlocking device for the platform screen door is provided with the manual unlocking module to enable passengers to open the platform screen door at the track side, and the key unlocking module is provided to enable station service personnel to open the platform screen door at the platform side through a key, so that manual unlocking operation can be realized at two sides of the platform screen door through simple operation under emergency, passengers can pass between a train carriage and a platform, and the manual unlocking device is simple in structure, safe and reliable.
The foregoing is merely a preferred embodiment of the present invention and is not intended to limit the present invention in any way. Various equivalent changes and modifications can be made by those skilled in the art based on the above embodiments, and all equivalent changes or modifications made within the scope of the claims shall fall within the scope of the present invention.
Claims (8)
1. The utility model provides a manual unlocking device of platform screen door, installs in the mullion of platform screen door, its characterized in that, manual unlocking device of platform screen door includes:
the manual unlocking module is used for opening the platform screen door at the track side and comprises a handle unlocking assembly, an upper fixing assembly and an upper unlocking ejector rod, wherein the upper end of the upper unlocking ejector rod is connected with the upper fixing assembly and moves up and down along the upper fixing assembly, the lower end of the upper unlocking ejector rod is connected with the handle unlocking assembly, the handle unlocking assembly comprises a shell, a handle and a worm assembly, the shell is fixed in the vertical frame, the handle is hinged to one side of the shell through a rotating shaft, the worm assembly is arranged on the other side of the shell, one end of the rotating shaft is connected with one end of the worm assembly through a connecting plate, and the lower end of the upper unlocking ejector rod is connected with the other end of the worm assembly so that the upper unlocking ejector rod is interlocked with the handle of the handle unlocking assembly to move up and down;
the key unlocking module is used for opening the platform screen door at the platform side and is arranged below the manual unlocking module, and comprises a lower unlocking ejector rod, a lower fixing assembly and a lock cylinder assembly, wherein the lower fixing assembly is sleeved on the lower unlocking ejector rod, the lower end of the lower unlocking ejector rod is connected with the lock cylinder assembly, the upper end of the lower unlocking ejector rod is connected with one end of the worm assembly and is abutted with the lower end of the upper unlocking ejector rod, so that the lower unlocking ejector rod moves up and down in linkage with the operation of a key inserted into a key hole of the lock cylinder assembly.
2. A manual unlocking device for a platform screen door according to claim 1, wherein the worm assembly comprises a worm and a worm sleeve, the worm sleeve and the worm are of hollow main structures, the worm sleeve is arranged on the other side of the shell, the worm is arranged in an inner hole of the worm sleeve in a penetrating mode, a bulge is formed on one side of the worm sleeve, which is far away from the shell, a spiral groove for the bulge to slide is formed on one side of the worm sleeve, which is close to the shell, a linear guide groove is formed on one side of the worm sleeve, the worm sleeve is connected with the shell through the linear guide groove, so that the worm sleeve can move up and down relative to the shell, the lower end of the upper unlocking ejector rod is arranged in the worm and is positioned at the upper end of the worm, and the upper end of the lower unlocking ejector rod is arranged in the worm and is positioned at the lower end of the worm.
3. A manual unlocking device for a platform screen door according to claim 2, wherein the worm assembly further comprises a support plate, the support plate is bent along the middle part to form a first folded plate and a second folded plate, the first folded plate is arranged on the shell and is provided with a positioning hole for a fixing piece to pass through, so that the handle unlocking assembly is fixed in a vertical frame of the platform screen door through the fixing piece; the second folding plate is arranged opposite to the lower end face of the worm and is correspondingly provided with a through hole for the worm to pass through, and the lower end of the worm passes through the through hole of the connecting plate and passes through the through hole through a shaft sleeve.
4. A manual unlocking device for a platform screen door according to claim 3, wherein the lower end of the worm is sleeved with a torsion spring, and the lower end of the torsion spring is abutted with the connecting plate.
5. The manual unlocking device for a platform screen door according to claim 1, wherein the upper fixing assembly comprises a bracket and a spring, the bracket comprises a main plate, the main plate is connected with the mullion so as to be arranged in the mullion, a baffle is formed at the upper end part of the main plate in an extending way far away from the mullion, a penetrating hole for the upper unlocking ejector rod to penetrate is formed on the baffle, the upper end of the upper unlocking ejector rod penetrates through the penetrating hole, and a top locking supporting plate is fixed at the top end of the upper unlocking ejector rod; the spring housing is located go up the upper end of unblock ejector pin just the one end of spring with baffle butt, its other end is connected with a spring holder, the spring holder set up in on the mainboard and its one side that is close to the mainboard be formed with a chimb, be formed with on the mainboard and supply the chimb is put into and gliding spout from top to bottom, go up the unblock ejector pin pass the spring holder and with spring holder interconnect, and wear to locate in the spring.
6. The manual unlocking device for a platform screen door according to claim 1, wherein the lock cylinder assembly comprises a lower rod connector, a rotating arm, a lock core shaft and a lock head seat, two ends of the lower rod connector are opened, the lower end of the lower unlocking ejector rod is arranged in the upper end of the lower rod connector, the lower end of the lower rod connector is provided with a mounting position for mounting the rotating arm, the upper end of the rotating arm is hinged in the mounting position, two sides of the lower end of the rotating arm respectively extend outwards to form top edges, and the two top edges respectively abut against two sides of the lower end of the lower rod connector; the lock cylinder seat comprises a bottom plate, a connecting part is formed by extending the center of the back surface of the bottom plate vertically outwards, the connecting part is of a hollow main body structure, the key hole corresponds to the connecting part and is arranged on the bottom plate, the key hole is communicated with the connecting part so as to be used for inserting a key into the connecting part, the suspension end of the connecting part is connected with one end of a lock cylinder shaft, and the other end of the lock cylinder shaft is connected with the upper end of the rotating arm so that the rotating arm is in linkage with the operation of the key inserted into the key hole.
7. A manual unlocking device for a platform screen door according to claim 1, wherein the lower fixing assembly comprises a supporting plate, the supporting plate is connected with the mullion so as to be arranged in the mullion, a clamping plate is formed at the upper end part of the supporting plate in an extending way far away from the mullion, and a containing groove for the lower unlocking ejector rod to penetrate is formed in the clamping plate.
8. A manual unlocking device for a platform screen door according to claim 7, wherein a limiting member is arranged on the lower unlocking post rod corresponding to the accommodating groove, one end of the limiting member is connected with the lower unlocking post rod, and the other end of the limiting member extends out of the accommodating groove to prevent the lower unlocking post rod from rotating.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910214256.5A CN109798030B (en) | 2019-03-20 | 2019-03-20 | Manual unlocking device for platform screen door |
| PCT/CN2019/079965 WO2020186547A1 (en) | 2019-03-20 | 2019-03-28 | Manual unlocking device for platform screen door |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910214256.5A CN109798030B (en) | 2019-03-20 | 2019-03-20 | Manual unlocking device for platform screen door |
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| Publication Number | Publication Date |
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| CN109798030A CN109798030A (en) | 2019-05-24 |
| CN109798030B true CN109798030B (en) | 2023-05-09 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910214256.5A Active CN109798030B (en) | 2019-03-20 | 2019-03-20 | Manual unlocking device for platform screen door |
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| CN (1) | CN109798030B (en) |
| WO (1) | WO2020186547A1 (en) |
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| CN113175278B (en) * | 2021-03-23 | 2022-03-22 | 中铁电气化勘测设计研究院有限公司 | Sliding door who steps on pressure unblock prevents pressing people's device |
| CN115306224A (en) * | 2022-06-23 | 2022-11-08 | 宁波望通锁业有限公司 | Electronic lock |
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| WO2020186547A1 (en) | 2020-09-24 |
| CN109798030A (en) | 2019-05-24 |
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