CN110863719B - Emergency unlocking component for subway door - Google Patents
Emergency unlocking component for subway door Download PDFInfo
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- CN110863719B CN110863719B CN201911209038.9A CN201911209038A CN110863719B CN 110863719 B CN110863719 B CN 110863719B CN 201911209038 A CN201911209038 A CN 201911209038A CN 110863719 B CN110863719 B CN 110863719B
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- rotating shaft
- hook
- driving
- fixedly connected
- gear
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- 230000002093 peripheral effect Effects 0.000 claims abstract description 3
- 230000000670 limiting effect Effects 0.000 claims description 20
- 230000001681 protective effect Effects 0.000 claims description 16
- 230000006835 compression Effects 0.000 claims description 13
- 238000007906 compression Methods 0.000 claims description 13
- 230000007246 mechanism Effects 0.000 claims description 9
- 238000007789 sealing Methods 0.000 claims 1
- 238000009434 installation Methods 0.000 abstract description 23
- 230000008901 benefit Effects 0.000 abstract description 3
- 230000000694 effects Effects 0.000 description 7
- 238000000034 method Methods 0.000 description 7
- 230000005611 electricity Effects 0.000 description 5
- 230000008569 process Effects 0.000 description 5
- 230000008878 coupling Effects 0.000 description 4
- 238000010168 coupling process Methods 0.000 description 4
- 238000005859 coupling reaction Methods 0.000 description 4
- 238000010586 diagram Methods 0.000 description 2
- 230000002159 abnormal effect Effects 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 238000013475 authorization Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000008094 contradictory effect Effects 0.000 description 1
- 230000005489 elastic deformation Effects 0.000 description 1
- 230000007257 malfunction Effects 0.000 description 1
- 230000002829 reductive effect Effects 0.000 description 1
- 230000002441 reversible effect Effects 0.000 description 1
Classifications
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- E—FIXED CONSTRUCTIONS
- E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
- E05B—LOCKS; ACCESSORIES THEREFOR; HANDCUFFS
- E05B81/00—Power-actuated vehicle locks
- E05B81/54—Electrical circuits
- E05B81/90—Manual override in case of power failure
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- E—FIXED CONSTRUCTIONS
- E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
- E05B—LOCKS; ACCESSORIES THEREFOR; HANDCUFFS
- E05B79/00—Mounting or connecting vehicle locks or parts thereof
- E05B79/10—Connections between movable lock parts
-
- E—FIXED CONSTRUCTIONS
- E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
- E05B—LOCKS; ACCESSORIES THEREFOR; HANDCUFFS
- E05B79/00—Mounting or connecting vehicle locks or parts thereof
- E05B79/10—Connections between movable lock parts
- E05B79/22—Operative connections between handles, sill buttons or lock knobs and the lock unit
-
- E—FIXED CONSTRUCTIONS
- E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
- E05B—LOCKS; ACCESSORIES THEREFOR; HANDCUFFS
- E05B81/00—Power-actuated vehicle locks
- E05B81/02—Power-actuated vehicle locks characterised by the type of actuators used
- E05B81/04—Electrical
- E05B81/06—Electrical using rotary motors
-
- E—FIXED CONSTRUCTIONS
- E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
- E05B—LOCKS; ACCESSORIES THEREFOR; HANDCUFFS
- E05B81/00—Power-actuated vehicle locks
- E05B81/02—Power-actuated vehicle locks characterised by the type of actuators used
- E05B81/04—Electrical
- E05B81/08—Electrical using electromagnets or solenoids
-
- E—FIXED CONSTRUCTIONS
- E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
- E05B—LOCKS; ACCESSORIES THEREFOR; HANDCUFFS
- E05B81/00—Power-actuated vehicle locks
- E05B81/12—Power-actuated vehicle locks characterised by the function or purpose of the powered actuators
- E05B81/18—Power-actuated vehicle locks characterised by the function or purpose of the powered actuators to effect movement of a bolt or bolts
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- E—FIXED CONSTRUCTIONS
- E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
- E05B—LOCKS; ACCESSORIES THEREFOR; HANDCUFFS
- E05B83/00—Vehicle locks specially adapted for particular types of wing or vehicle
- E05B83/36—Locks for passenger or like doors
- E05B83/363—Locks for passenger or like doors for railway vehicles
-
- E—FIXED CONSTRUCTIONS
- E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
- E05B—LOCKS; ACCESSORIES THEREFOR; HANDCUFFS
- E05B83/00—Vehicle locks specially adapted for particular types of wing or vehicle
- E05B83/36—Locks for passenger or like doors
- E05B83/40—Locks for passenger or like doors for sliding doors
-
- E—FIXED CONSTRUCTIONS
- E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
- E05B—LOCKS; ACCESSORIES THEREFOR; HANDCUFFS
- E05B85/00—Details of vehicle locks not provided for in groups E05B77/00 - E05B83/00
- E05B85/20—Bolts or detents
- E05B85/24—Bolts rotating about an axis
Landscapes
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Lock And Its Accessories (AREA)
Abstract
The invention relates to an emergency unlocking component for a subway door, which is arranged on an installation bottom plate above a door body, wherein a clamping column is arranged on the door body, an electromagnetic unlocking component, a pressure resetting locking component and a rotary lock hook component are arranged on the installation bottom plate, the rotary lock hook component comprises a hook, a rotating shaft and a bearing seat, which are matched and clamped with the clamping column, and the electromagnetic unlocking component comprises an electromagnet and a first fixing seat; the emergency unlocking assembly comprises a push rod and a driving assembly, wherein the push rod is used for pushing the hook to move towards the direction perpendicular to the mounting bottom plate to release the clamping post, the driving assembly is used for driving the push rod to move towards the direction of the second rotating shaft, sliding blocks are arranged on the two sides of the first rotating shaft, which face one end of the second rotating shaft, in an extending mode, sliding grooves are formed in the inner peripheral wall of the second rotating shaft, extend along the length direction of the second rotating shaft and are matched with the sliding blocks to slide. The invention has the advantage of facilitating unlocking of the rotary latch hook assembly when the electromagnet fails.
Description
Technical Field
The invention relates to the technical field of rail transit, in particular to an emergency unlocking component for a subway door.
Background
Along with the rapid development of high-speed trains and urban rail transit, the quality of the micro-motion sliding plug doors is also continuously improved, and many micro-motion sliding plug doors are of double-door structures, so that the door has the advantages of rapid door opening and large door opening space, and passengers can get on and off the vehicle conveniently.
The invention patent of China with the prior authorization bulletin number of CN206844873U discloses a subway door central lock mechanism, which comprises a mounting bottom plate fixed on a door body, wherein an electromagnetic unlocking component, a pressure resetting locking component and a rotary lock hook component are fixedly arranged on the mounting bottom plate, the rotary lock hook component comprises a hook, a rotary shaft and a bearing seat, the electromagnetic unlocking component comprises an electromagnet and a first fixing seat, the electromagnet is provided with a telescopic connecting rod, the pressure resetting locking component comprises a damper and a second fixing seat, the damper comprises a telescopic supporting rod, the free end of the telescopic supporting rod is hinged with the middle part or the lower part of the supporting rod, the telescopic connecting rod pulls the supporting rod and drives the rotary shaft to rotate when the electromagnet is electrified, the hook is lifted up to unlock along with the rotation, and the telescopic supporting rod can push the rotary shaft to rotate to reset and lock the hook after the electromagnet is powered off.
Because the electromagnet occasionally loses electricity in the practical process, the electromagnetic unlocking assembly cannot be unlocked, and danger is brought to the safety of passengers.
Disclosure of Invention
In view of the shortcomings of the prior art, it is one of the objectives of the present invention to provide an emergency unlocking assembly for a subway door that has the advantage of facilitating unlocking of the rotating shackle assembly in the event of a malfunction of the electromagnet.
The above object of the present invention is achieved by the following technical solutions:
An emergency unlocking component for a subway door is arranged on a mounting bottom plate above a door body, a clamping column is arranged on the door body, an electromagnetic unlocking component, a pressure resetting locking component and a rotary locking hook component are arranged on the mounting bottom plate, the rotary locking hook component comprises a hook, a rotating shaft and a bearing seat, the hook, the rotating shaft and the bearing seat are matched and clamped with the clamping column, and the electromagnetic unlocking component comprises an electromagnet and a first fixing seat; the emergency unlocking assembly comprises a push rod and a driving assembly, wherein the push rod is used for pushing the hook to move towards the direction perpendicular to the mounting bottom plate to release the clamping post, the driving assembly is used for driving the push rod to move towards the direction of the second rotating shaft, sliding blocks are arranged on the two sides of the first rotating shaft, which face one end of the second rotating shaft, in an extending mode, sliding grooves are formed in the inner peripheral wall of the second rotating shaft, extend along the length direction of the second rotating shaft and are matched with the sliding blocks to slide.
Through adopting above-mentioned technical scheme, when the unable use of electromagnetism unblock subassembly, the staff passes through drive assembly drive push rod towards couple direction motion, promote the second pivot outside first pivot and slide for the couple that is connected with the second pivot is towards deviating from first pivot direction motion, thereby make the couple follow the direction motion of perpendicular to mounting plate, the couple breaks away from the card of block post and establishes, thereby remove the card of establishing the effect to the door body, then the manual pulling door body of staff opens the door body, easy operation, the staff of being convenient for promptly opens the door body after the electro-magnet loses the electricity.
The present invention may be further configured in a preferred example to: the U-shaped cavity is formed between the bearing seat and the mounting bottom plate, one end of the push rod is abutted against one side, deviating from the hook, of the second rotating shaft, the other end of the push rod vertically penetrates through the bearing seat and is connected with the bearing seat in a sliding mode, and the driving assembly comprises a cam for driving the push rod to move towards the direction of the second rotating shaft and a servo motor for driving the cam to rotate, and an output shaft of the servo motor is fixedly connected with the cam in a coaxial mode.
Through adopting above-mentioned technical scheme, after the electro-magnet loses electricity, the staff is through starting servo motor, drive cam forward rotation, cam rotation in-process drive and cam butt's push rod is towards couple direction motion, and promote and make the couple follow the direction motion of perpendicular to mounting plate, the couple breaks away from the card of block post and establishes, thereby remove the card of establishing the effect to the door body, then the manual pulling door body of staff opens the door body, easy operation, the staff of being convenient for promptly opens the door body after the electro-magnet loses electricity.
The present invention may be further configured in a preferred example to: be provided with on the mounting plate and cover confined protective housing to the device on the mounting plate, be provided with the button that drives servo motor and start on the outer wall of protective housing.
Through adopting above-mentioned technical scheme, staff accessible presses the button start motor on the protective housing outer wall, makes things convenient for the staff to operate.
The present invention may be further configured in a preferred example to: the couple is connected with the second pivot can be dismantled, and the one end that the second pivot deviates from first pivot extends and is provided with the installation lug, and the terminal surface area of installation lug is less than the terminal surface area of second pivot, and the mounting hole with installation lug cooperation joint has been seted up at the middle part of couple, and the cross-section of installation lug is regular polygon.
Through adopting above-mentioned technical scheme, the staff is when installing the couple, aligns the installation lug with the mounting hole of couple and with couple towards installation lug direction motion, fix the couple in the second pivot, simple structure to the staff's installation of being convenient for and dismantlement couple.
The present invention may be further configured in a preferred example to: the installation lug protrudes out of one end of the hook, which is away from the second rotating shaft, and is in threaded connection with a limiting ring for limiting the hook to be separated from the second rotating shaft.
Through adopting above-mentioned technical scheme, can restrict the couple and break away from the second pivot, and the restriction ring passes through threaded connection with the installation lug, the staff of being convenient for installs and dismantles the restriction ring.
The present invention may be further configured in a preferred example to: the installation bottom plate is provided with a return assembly for driving the push rod to return, the return assembly comprises a first vertical plate vertically fixedly connected to the installation bottom plate, a second vertical plate vertically fixedly connected to one end of the first vertical plate, which is away from the installation bottom plate, and a compression spring arranged between the second vertical plate and the hook, one end of the compression spring is fixedly connected with the limiting ring, and the other end of the compression spring is fixedly connected with one surface of the second vertical plate, which faces the hook.
Through adopting above-mentioned technical scheme, return subassembly's setting, through compression spring's elastic deformation for the push rod moves and returns to initial position towards mounting plate direction, so that the emergency unlocking subassembly of next use.
The present invention may be further configured in a preferred example to: and a manual unlocking component for releasing the clamping of the manual driving hook and the clamping column is arranged in the protective shell.
Through adopting above-mentioned technical scheme, the staff can be when servo motor breaks down, releases the card of couple to the card post through manual unblock subassembly and establishes to the door plant is opened to the staff of being convenient for.
The present invention may be further configured in a preferred example to: the manual unlocking assembly comprises a first gear coaxially fixedly connected with the cam, a second gear meshed with the first gear, a connecting shaft coaxially fixedly connected with the second gear and a driving mechanism for driving the connecting shaft to rotate.
Through adopting above-mentioned technical scheme, when servo motor breaks down, the staff passes through actuating mechanism drive connecting axle and rotates, drives the second gear of coaxial rigid coupling with the connecting axle and rotates for with the first gear rotation of second gear engagement, thereby make the cam of the coaxial rigid coupling with first gear rotate, drive push rod towards couple direction motion, make couple towards deviating from mounting plate direction motion, couple and draw-in column break away from the card and establish, release the restriction to the door plant, the manual door plant of opening of the staff of being convenient for.
The present invention may be further configured in a preferred example to: the driving mechanism comprises a third gear coaxially and fixedly connected with the connecting shaft and deviating from the second gear, a fourth gear meshed with the third gear, an extension rod coaxially and fixedly connected with the fourth gear, and a handle clamped with the extension rod and used for driving the extension rod to rotate.
Through adopting above-mentioned technical scheme, when servo motor breaks down, the staff passes through the twist grip, drive extension rod rotation, make fourth gear rotate, drive third gear rotate, and then drive the connecting axle and rotate, drive the second gear rotation with the coaxial rigid coupling of connecting axle, make with the first gear rotation of second gear engagement, thereby make the cam rotation with the coaxial rigid coupling of first gear, drive push rod is towards couple direction motion, make the couple to deviate from mounting plate direction motion, couple and card post break away from the card and establish, remove the restriction to the door plant, the manual door plant of opening of staff of being convenient for.
The present invention may be further configured in a preferred example to: the push rod is provided with the spherical drive part towards one side of cam, and the recess that cooperates the card to establish with drive part is offered to one side of cam distance cam axle center most distal end, and the cross-section of recess is semi-circular.
Through adopting above-mentioned technical scheme, the manual handle that rotates of staff drives cam motion in-process, drives the push rod and moves towards the second pivot direction for couple is in compressed state always when deviating from first pivot motion and card post release card is established, and the drive division card on the accessible push rod is established to the recess in, makes the push rod remain contradicting with the cam throughout, and the staff can feel the rotation condition of push rod and cam when rotating the handle.
In summary, the present invention includes at least one of the following beneficial technical effects:
1. by arranging the rotary latch hook component, the closing state of the door plate can be limited in an auxiliary way, abnormal opening is not easy, and the door plate is reliable to use;
2. After the emergency unlocking component is arranged, the rotary lock hook component is unlocked when the electromagnet fails, so that the use safety of the micro-motion sliding plug door is ensured;
3. After the manual unlocking component is arranged, the rotary lock hook component is manually unlocked when the servo motor fails, so that the use safety of the micro-motion sliding plug door is ensured.
Drawings
FIG. 1 is a schematic diagram of the structure of the present invention;
FIG. 2 is a schematic view showing the structure of the inside of the protective case;
Fig. 3 is a front view highlighting the internal structure of the protective case;
FIG. 4 is a schematic view of a structure highlighting an emergency unlocking assembly;
FIG. 5 is a schematic view showing the connection of the confinement rings to the mounting bosses;
FIG. 6 is a schematic diagram highlighting the construction of a manual unlocking assembly;
Fig. 7 is an enlarged schematic view of the portion a in fig. 6.
In the figure, 1, a carriage; 2. a door body; 21. a clamping column; 3. a protective shell; 31. a mounting base plate; 32. a travel switch; 321. a switch body; 322. a hinge rod; 323. a contact; 4. an electromagnetic unlocking assembly; 41. a first fixing seat; 42. an electromagnet; 43. a telescopic connecting rod; 44. a first connector; 5. a pressure reset assembly; 51. a damper; 52. the second fixing seat; 53. a telescopic support rod; 54. a second connector; 6. rotating the latch hook assembly; 61. a hook; 611. a mounting hole; 62. a rotation shaft; 621. a first rotating shaft; 6211. a slide block; 622. a second rotating shaft; 6221. a chute; 63. a bearing seat; 64. mounting the protruding blocks; 641. a threaded column; 65. a confinement ring; 651. a threaded hole; 66. a first vertical plate; 67. a second vertical plate; 671. a connecting ring; 68. a compression spring; 7. a support rod; 71. a trigger plate; 711. a caulking groove; 8. an emergency unlocking assembly; 81. a push rod; 811. a driving section; 82. a cam; 821. a groove; 83. a servo motor; 831. a battery; 832. a button; 9. a manual unlocking assembly; 91. a first gear; 92. a second gear; 93. a connecting shaft; 931. a support sleeve; 9311. a limiting ring; 932. a limiting block; 94. a third gear; 95. a fourth gear; 96. an extension rod; 961. a clamping block; 97. a handle; 971. a grip lever; 972. a driving rod; 973. and a clamping groove.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings.
Referring to fig. 1 and 2, in order to disclose an emergency unlocking assembly for a subway door, the subway door includes two door bodies 2 sliding relatively, a protective shell 3 is disposed above the door bodies 2, and the protective shell 3 is connected with a carriage 1. The door body 2 is provided with a group of clamping columns 21, the group of clamping columns 21 are 4 columns which are arranged in parallel, are uniformly arranged on the two door bodies 2, and are vertically and fixedly connected with the door bodies 2. The protective housing 3 is provided with mounting plate 31 in, is provided with electromagnetic unlocking subassembly 4, pressure reset subassembly 5 and rotatory latch hook subassembly 6 on the mounting plate 31. Referring to fig. 4, the rotating shackle assembly 6 includes a shackle 61, a rotating shaft 62, and a bearing housing 63, and the bearing housing 63 is open toward the base of the mounting base plate 31 and forms a cavity with the mounting base plate 31. The rotation axis 62 is connected with one end of the bearing frame 63 deviating from the mounting baseplate 31 in a rotating way, the middle part of the hook 61 is connected with the rotation axis 62, one side of the rotation axis 62 deviating from the door body 2 is provided with a support rod 7, and the support rod 7 is fixedly connected with the rotation axis 62 vertically.
As shown in fig. 2 and 3, the electromagnetic unlocking assembly 4 includes a first fixing seat 41 fixedly connected with the mounting base plate 31, an electromagnet 42 arranged on the first fixing seat 41, and a telescopic connecting rod 43 arranged on the electromagnet 42 and driven by electromagnetic, wherein a first connecting head 44 is fixedly connected to a free end of the telescopic connecting rod 43, and the first connecting head 44 is in a U shape with an opening facing the supporting rod 7 and is hinged with the supporting rod 7. The pressure resetting assembly 5 comprises a damper 51 and a second fixing seat 52, the second fixing seat 52 is fixedly connected with the mounting bottom plate 31, a telescopic supporting rod 53 is arranged at one end, facing the supporting rod 7, of the damper 51, the free end of the telescopic supporting rod 53 is hinged with the middle part of the supporting rod 7 or the lower part of the supporting rod 7, a second connector 54 is arranged at the free end of the telescopic supporting rod 53, the second connector 54 is identical to the first connector 53, and the telescopic connecting rod 43 is located above the telescopic supporting rod 53. The electromagnetic unlocking component 4 and the pressure resetting component 5 are positioned on the same side. The mounting baseplate 31 is provided with a travel switch 32 which sends out a signal when the door body 2 is opened and closed, the travel switch 32 comprises a switch body 321, a hinge rod 322 hinged with the switch body 321 and a contact 323 connected with the hinge rod 322 in a way of deviating from the switch body 321, one end of the supporting rod 7 deviating from the first rotating shaft 621 is provided with a trigger plate 71, one end of the trigger plate 71 is vertically fixedly connected with the top of the supporting rod 7, the middle part of the trigger plate 71 is bent to form a caulking groove 711, one end of the trigger plate 71 deviating from the supporting rod 7 is abutted with the contact 323, and the trigger plate 71 and the electromagnetic unlocking component 4 are positioned on the same side.
When the electromagnet 42 is electrified, the telescopic connecting rod 43 is pulled to move in the direction deviating from the supporting rod 7, the first connector 44 is driven to move in the direction deviating from the supporting rod 7, so that the supporting rod 7 is pulled to move in the direction deviating from the supporting rod 7, the rotating shaft 62 is rotated, the hook 61 connected with the rotating shaft 62 is rotated for a certain angle, the hook 61 is separated from the clamping column 21, and the clamping effect on the door body 2 is relieved; in the process of moving the supporting rod 7 towards the direction of the telescopic connecting rod 43, the trigger plate 71 fixedly connected with the top of the supporting rod 7 is driven to move towards the direction of the telescopic connecting rod 43, so that the contact 323 abutted against the trigger plate 71 is positioned in the caulking groove 711, and the switch body 321 sends out a signal for opening the door body 2 to drive the door body 2 to be opened. When the strut 7 moves in the direction of the telescopic link 43, the second connector 54 is pulled to move in the direction of the telescopic link 43, so that the telescopic support rod 53 on the damper 51 moves in the direction away from the strut 7. After the electromagnet 42 is powered off, under the action of the damper 51, the telescopic supporting rod 53 pushes the supporting rod 7 to move towards the direction away from the telescopic supporting rod 7, so that the supporting rod 7 returns to the initial position, and in the rotating process of the supporting rod 7, the trigger plate 71 is driven to move towards the supporting rod 7, so that the contact 323 in the caulking groove 711 is separated from the caulking groove 711 and returns to the position abutting against the trigger plate 71, and the switch body 321 sends out a signal to drive the door body 2 to be closed; simultaneously, the rotation shaft 62 reversely rotates, so that the hook 61 connected with the rotation shaft 62 reversely rotates by a certain angle to clamp the clamping column 21, thereby clamping the door body 2, reducing the possibility that the door body 2 is outwards opened due to external force or human factors, and improving the safety of passengers in the carriage 1.
As shown in fig. 3 and 4, the rotating shaft 62 includes a first rotating shaft 621 rotatably connected with the bearing seat 63, and a second rotating shaft 622 sleeved on the outer periphery of one end of the first rotating shaft 621 facing away from the bearing seat 63, and, in conjunction with fig. 5, two sides of the end of the first rotating shaft 621 facing away from the bearing seat 63 extend and are fixedly connected with a sliding block 6211, the second rotating shaft 622 is provided with a sliding groove 6221 matching and sliding with the sliding block 6211, and the sliding groove 6221 extends along the length direction of the second rotating shaft 622 and does not penetrate through the second rotating shaft 622. The strut 7 is disposed on a side of the first shaft 621 facing away from the door body 2, and the hook 61 is disposed on an end of the second shaft 622 facing away from the first shaft 621. The hook 61 is detachably connected with the second rotating shaft 622, one end of the second rotating shaft 622, which is away from the first rotating shaft 621, is fixedly connected with the mounting lug 64, the section of the mounting lug 64 is in a regular hexagon, and the middle part of the hook 61 is provided with a mounting hole 611 which is matched and clamped with the mounting lug 64. When the worker installs the hook 61, the installation hole 611 is aligned with the installation projection 64, and the hook 61 is pushed towards the direction of the second rotating shaft 622, so that the hook 61 is clamped on the installation projection 64, the installation projection 64 protrudes out of one surface of the hook 61, which faces away from the second rotating shaft 622, the surface of the installation projection 64 protruding out of the hook 61 is provided with a limiting ring 65 for limiting the hook 61 to separate from the installation projection 64, one surface of the installation projection 64 protruding out of the hook 61 is provided with a threaded column 641, a threaded hole 651 in the limiting ring 65, which is in threaded fit with the threaded column 641, is formed in the limiting ring 65, and the possibility that the hook 61 is separated from the installation projection 64 is reduced by screwing the limiting ring 65 out of the installation projection 64.
In actual use, the electromagnet 42 occasionally loses power, so that the latch hook cannot be separated from the latch post 21, the door body 2 cannot be unlocked, and the safety of passengers is dangerous. For this purpose, an emergency unlocking assembly 8 is provided for unlocking the locking hook in the event of a failure of the electromagnet 42.
As shown in fig. 2 and 3, the emergency unlocking means 8 includes a push rod 81 for pushing the second rotation shaft 622 to slide toward the hook 61, and a driving means provided at an end of the push rod 81 facing away from the second rotation shaft 622 for driving the push rod 81 to move the second rotation shaft 622. Referring to fig. 4, the driving assembly includes a cam 82 for pushing the second rotating shaft 622 to move toward the hook 61, and a servo motor 83 for driving the cam 82 to move, wherein an output shaft of the servo motor 83 is fixedly connected with the cam 82 coaxially, the servo motor 83 is mounted on the mounting base plate 31, one end of the push rod 81 is abutted to one end of the second rotating shaft 622, which is far away from the hook 61, the other end of the push rod passes through the bearing seat 63 and is provided with a spherical driving part 811, the nearest end of the cam 82, which is away from the axis of the cam 82, is abutted to the driving part 811, a groove 821 for clamping the driving part 811 is formed at the farthest end of the cam 82, and the cross section of the groove 821 is semicircular. Referring to fig. 4 and 5, a first vertical plate 66 is disposed on the mounting base plate 31, the first vertical plate 66 is vertically fixedly connected with the mounting base plate 31 and is located below the bearing seat 63, a second vertical plate 67 parallel to the mounting base plate 31 is vertically fixedly connected at one end of the first vertical plate 66, which is away from the mounting base plate 31, the second vertical plate 67 is located at one side of the limiting ring 65, which is away from the hook 61, and a gap is left between the limiting ring 65, a connecting ring 671 is vertically fixedly connected at one side of the second vertical plate 67, which is towards the limiting ring 65, a compression spring 68 is disposed at one end of the limiting ring 65, which is away from the second rotating shaft 622, one end of the compression spring 68 is fixedly connected with the limiting ring 65, the other end of the compression spring 68 is sleeved on the periphery of the connecting ring 671 and is fixedly connected with the second vertical plate 67, the limiting ring 65 and the connecting ring 671 are located in the same line, a gap is left between the limiting ring 61, which is separated from the opening and closing post 21, a battery 831 for storing electricity of the servo motor 83 is disposed on the mounting base plate 31, and a button 832 for driving the servo motor 83 is disposed on the outer wall of the protecting shell 3.
When the electromagnet 42 is powered off, a worker starts the servo motor 83 through the button 832, drives the cam 82 to rotate positively, drives the push rod 81 abutting against the cam 82 to move towards the second rotating shaft 622 in the rotating process of the cam 82, and pushes the second rotating shaft 622 to slide outside the first rotating shaft 621, so that the hook 61 connected with the second rotating shaft 622 moves towards the direction deviating from the first rotating shaft 621, the hook 61 moves along the direction perpendicular to the mounting bottom plate 31, the hook 61 breaks away from the clamping of the clamping column 21, the clamping effect on the door body 2 is relieved, then the worker manually pulls the door body 2 to open the door body 2, the operation is simple, and the worker can conveniently open the door body 2 in an emergency after the electromagnet 42 is powered off; during the movement of the hook 61, the compression spring 68 is pressed, when the door body 2 is opened, the operator can drive the servo motor 83 to rotate reversely, the driving cam 82 to rotate reversely, and during the reverse rotation of the cam 82, the contact with the push rod 81 is released, at this time, the compression spring 68 recovers elasticity, the hook 61 is driven to move towards the mounting base plate 31, the second rotating shaft 622 is driven to move towards the mounting base plate 31, and the push rod 81 is driven to move towards the mounting base plate 31 and return to the initial position, so that the emergency unlocking assembly 8 is used next time.
As shown in fig. 2 and 3, since the battery 831 of the servo motor 83 is provided in the protective case 3, a worker cannot check the use condition of the battery 831 in time, and in order to avoid opening and closing the door body 2 when the battery 831 of the servo motor 83 is not powered or the servo motor 83 is damaged, a manual unlocking unit 9 is provided. Referring to fig. 4 and 5, the manual unlocking unit 9 includes a first gear 91 coaxially fixed to the cam 82, a second gear 92 engaged with the first gear 91, a connecting shaft 93 coaxially fixed to the second gear 92 and extending in a direction away from the first gear 91, and a driving mechanism for driving the connecting shaft 93 to rotate. One end of the connecting shaft 93, which is away from the second gear 92, penetrates out of the bearing seat 63, extends towards the direction away from the door body 2 and is rotationally connected with the bearing seat 63, a supporting sleeve 931 is sleeved on the connecting shaft 93, and the supporting sleeve 931 is vertically and fixedly connected with the mounting base plate 31, so that the connecting shaft 93 is limited to slide on the supporting sleeve 931.
As shown in fig. 4 and 6, the driving mechanism includes a third gear 94 coaxially fixedly connected with one end of the connecting shaft 93 facing away from the second gear 92, a fourth gear 95 meshed with the third gear 94, an extension rod 96 coaxially fixedly connected with the fourth gear 95, and a handle 97 for driving the extension rod 96 to rotate, the extension rod 96 is perpendicular to the mounting base plate 31, in combination with fig. 7, a clamping block 961 is arranged at one end of the extension rod 96 facing away from the fourth gear 95 in an extending manner, the longitudinal section of the clamping block 961 is deformed in a positive six manner, the handle 97 is in a T shape, the driving mechanism includes a holding rod 971 and a driving rod 972 vertically fixedly connected with the middle of the holding rod 971, a clamping groove 973 matched and clamped with the clamping block 961 is formed at one end of the driving rod 972 facing away from the holding rod 971, and a through hole (see fig. 1) for the driving rod 972 to pass through the protective shell 3 and the extension rod 96 is formed in the protective shell 3.
During use, a worker inserts the driving rod 972 of the handle 97 into the through hole, and makes the extending rod 96 and the handle 97 clamped, rotates the handle 97, thereby driving the extending rod 96 to rotate, making the fourth gear 95 fixedly connected with the extending rod 96 rotate, driving the third gear 94 meshed with the fourth gear 95 to rotate, driving the connecting shaft 93 to drive the second gear 92 positioned at the end part of the connecting shaft 93 to rotate, making the first gear 91 meshed with the second gear 92 rotate, driving the cam 82 to rotate, pushing the push rod 81 to move towards the second rotating shaft 622, pushing the second rotating shaft 622 to slide outside the first rotating shaft 621, making the hook 61 connected with the second rotating shaft 622 move towards the direction deviating from the first rotating shaft 621, making the hook 61 move along the direction vertical to the mounting base plate 31, making the hook 61 separate from the clamping of the clamping post 21, thereby releasing the clamping effect on the door body 2, then manually pulling the door body 2 by the worker, opening the door body 2, and facilitating the opening and closing of the door 2 under the condition that the motor is not urgent or damaged by the worker.
The implementation principle of the embodiment is as follows: when the electromagnet 42 is powered off, a worker starts the servo motor 83 through the button 832, drives the cam 82 to rotate positively, drives the push rod 81 abutted against the cam 82 to move towards the second rotating shaft 622 in the rotating process of the cam 82, and pushes the second rotating shaft 622 to slide outside the first rotating shaft 621, so that the hook 61 connected with the second rotating shaft 622 moves towards the direction deviating from the first rotating shaft 621, the hook 61 moves along the direction perpendicular to the mounting base plate 31, the hook 61 breaks away from the clamping of the clamping column 21, the clamping effect on the door body 2 is relieved, then the worker manually pulls the door body 2 to open the door body 2, the operation is simple, and the worker can conveniently and promptly open the door body 2 after the electromagnet 42 is powered off.
The embodiments of the present invention are all preferred embodiments of the present invention, and are not intended to limit the scope of the present invention in this way, therefore: all equivalent changes in structure, shape and principle of the invention should be covered in the scope of protection of the invention.
Claims (10)
1. An emergency unlocking component for a subway door is arranged on a mounting bottom plate (31) above a door body (2), a clamping column (21) is arranged on the door body (2), an electromagnetic unlocking component (4), a pressure resetting locking component (5) and a rotary lock hook component (6) are arranged on the mounting bottom plate (31), and the rotary lock hook component (6) comprises a hook (61), a rotating shaft (62) and a bearing seat (63) which are matched and clamped with the clamping column (21), and is characterized in that: the rotary shaft (62) comprises a first rotary shaft (621) rotationally connected with the bearing seat (63) and a second rotary shaft (622) sleeved outside the first rotary shaft (621) and slidingly connected with the first rotary shaft (621), and a supporting rod (7) is arranged on the first rotary shaft (621);
The electromagnetic unlocking assembly (4) comprises a first fixing seat (41), an electromagnet (42) arranged on the first fixing seat (41) and a telescopic connecting rod (43) which is arranged on the electromagnet (42) and driven by electromagnetic, wherein the free end of the telescopic connecting rod (43) is fixedly connected with a first connecting head (44), the first connecting head (44) is U-shaped with an opening facing the supporting rod (7) and is hinged with the supporting rod (7), the pressure resetting assembly (5) comprises a damper (51) and a second fixing seat (52), the second fixing seat (52) is fixedly connected with the mounting base plate (31), one end of the damper (51) facing the supporting rod (7) is provided with a telescopic supporting rod (53), the free end of the telescopic supporting rod (53) is hinged with the middle part of the supporting rod (7) or the lower part of the supporting rod (7), the free end of the telescopic supporting rod (53) is provided with a second connecting head (54), and the telescopic connecting rod (43) is positioned above the telescopic supporting rod (53).
The middle part setting of couple (61) deviates from the one end of first pivot (621) in second pivot (622), urgent unblock subassembly (8) are including pushing couple (61) towards push rod (81) of perpendicular to mounting plate (31) direction motion release couple (61) and card post (21) joint and drive push rod (81) motion towards the drive assembly of second pivot (622) direction motion, the both sides extension of first pivot (621) towards second pivot (622) one end are provided with slider (6211), set up on second pivot (622) inner peripheral wall along second pivot (622) length direction extension and with slider (6211) cooperation sliding spout (6221).
2. An emergency unlocking assembly for a subway door according to claim 1, wherein: a U-shaped cavity is formed between the bearing seat (63) and the mounting bottom plate (31), one end of the push rod (81) is abutted against one side of the second rotating shaft (622) deviating from the hook (61), the other end of the push rod vertically penetrates through the bearing seat (63) and is connected with the bearing seat (63) in a sliding mode, the driving assembly comprises a cam (82) for driving the push rod (81) to move towards the second rotating shaft (622) and a servo motor (83) for driving the cam (82) to rotate, and an output shaft of the servo motor (83) is fixedly connected with the cam (82) in a coaxial mode.
3. An emergency unlocking assembly for a subway door according to claim 2, wherein: the device is characterized in that a protective shell (3) for covering and sealing devices on the mounting bottom plate (31) is arranged on the mounting bottom plate (31), and a button (832) for driving the servo motor (83) to start is arranged on the outer wall of the protective shell (3).
4. An emergency unlocking assembly for a subway door according to claim 3, wherein: the hook (61) is detachably connected with the second rotating shaft (622), one end of the second rotating shaft (622) deviating from the first rotating shaft (621) is extended to be provided with a mounting lug (64), the end face area of the mounting lug (64) is smaller than that of the second rotating shaft (622), a mounting hole (611) matched and clamped with the mounting lug (64) is formed in the middle of the hook (61), and the section of the mounting lug (64) is regular polygon.
5. An emergency unlocking assembly for a subway door according to claim 4, wherein: the mounting lug (64) protrudes from one end of the hook (61) away from the second rotating shaft (622), and is in threaded connection with a limiting ring (65) for limiting the hook (61) to be separated from the second rotating shaft (622).
6. An emergency unlocking assembly for a subway door according to claim 5, wherein: the mounting base plate (31) is provided with a return component for driving the push rod (81) to return, the return component comprises a first vertical plate (66) vertically fixedly connected to the mounting base plate (31), a second vertical plate (67) vertically fixedly connected to one end of the first vertical plate (66) deviating from the mounting base plate (31), and a compression spring (68) arranged between the second vertical plate (67) and the hook (61), one end of the compression spring (68) is fixedly connected with the limiting ring (65), and the other end of the compression spring (68) is fixedly connected with one surface of the second vertical plate (67) facing the hook (61).
7. An emergency unlocking assembly for a subway door according to claim 3, wherein: a manual unlocking component (9) for releasing the clamping of the manual driving hook (61) and the clamping column (21) is arranged in the protective shell (3).
8. An emergency unlocking assembly for a subway door according to claim 7, wherein: the manual unlocking assembly (9) comprises a first gear (91) coaxially fixedly connected with the cam (82), a second gear (92) meshed with the first gear (91), a connecting shaft (93) coaxially fixedly connected with the second gear (92) and a driving mechanism for driving the connecting shaft (93) to rotate.
9. An emergency unlocking assembly for a subway door according to claim 8, wherein: the driving mechanism comprises a third gear (94) which is coaxially and fixedly connected with the connecting shaft (93) and is away from the second gear (92), a fourth gear (95) which is meshed with the third gear (94), an extension rod (96) which is coaxially and fixedly connected with the fourth gear (95), and a handle (97) which is clamped with the extension rod (96) and is used for driving the extension rod (96) to rotate.
10. An emergency unlocking assembly for a subway door according to claim 9, wherein: one side of the push rod (81) facing the cam (82) is provided with a spherical driving part (811), one side of the cam (82) farthest from the axis of the cam (82) is provided with a groove (821) which is matched and clamped with the driving part (811), and the cross section of the groove (821) is semicircular.
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| CN201911209038.9A CN110863719B (en) | 2019-11-30 | 2019-11-30 | Emergency unlocking component for subway door |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201911209038.9A CN110863719B (en) | 2019-11-30 | 2019-11-30 | Emergency unlocking component for subway door |
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| CN110863719A CN110863719A (en) | 2020-03-06 |
| CN110863719B true CN110863719B (en) | 2024-07-19 |
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| CN201911209038.9A Active CN110863719B (en) | 2019-11-30 | 2019-11-30 | Emergency unlocking component for subway door |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| DE102021102047A1 (en) * | 2021-01-29 | 2022-08-04 | Brose Schließsysteme GmbH & Co. Kommanditgesellschaft | Emergency opening of a vehicle door |
| CN115012740B (en) * | 2022-07-08 | 2023-11-10 | 惠州麒华五金制品有限公司 | Lockset, sliding door and locker |
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