CN108343325B - Subway emergency door safety device - Google Patents
Subway emergency door safety device Download PDFInfo
- Publication number
- CN108343325B CN108343325B CN201810341436.5A CN201810341436A CN108343325B CN 108343325 B CN108343325 B CN 108343325B CN 201810341436 A CN201810341436 A CN 201810341436A CN 108343325 B CN108343325 B CN 108343325B
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- Prior art keywords
- assembly
- seat
- lock tongue
- door
- tongue
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- 230000005540 biological transmission Effects 0.000 claims abstract description 22
- 230000000712 assembly Effects 0.000 claims description 20
- 238000000429 assembly Methods 0.000 claims description 20
- 238000007789 sealing Methods 0.000 claims description 17
- 238000003756 stirring Methods 0.000 claims description 11
- 238000012544 monitoring process Methods 0.000 claims description 6
- 239000000428 dust Substances 0.000 claims description 3
- 230000002265 prevention Effects 0.000 claims description 3
- 238000005457 optimization Methods 0.000 description 9
- 230000000694 effects Effects 0.000 description 5
- 230000007547 defect Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 230000003044 adaptive effect Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
Classifications
-
- 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
-
- E—FIXED CONSTRUCTIONS
- E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
- E05B—LOCKS; ACCESSORIES THEREFOR; HANDCUFFS
- E05B17/00—Accessories in connection with locks
- E05B17/22—Means for operating or controlling lock or fastening device accessories, i.e. other than the fastening members, e.g. switches, indicators
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- Lock And Its Accessories (AREA)
Abstract
The invention provides a subway emergency door safety device which comprises a push handle assembly, a lock tongue assembly, a lock head assembly and a door seat fixing assembly, wherein the lock tongue assembly is adaptively arranged at the left end of the push handle assembly; when the pressing shell is loosened, under the action of the transmission connecting rod assembly and the reset spring group, the spring bolt block of the spring bolt assembly is automatically restored and buckled on the door seat fixing assembly, so that the locking function of the emergency device is realized, and the emergency device is stable and reliable and is simple to operate; meanwhile, the locking head assembly and the electronic switch assembly are utilized to achieve the function of manually or automatically opening the lock tongue assembly by an electric appliance outside the subway, so that the use quality of the emergency door is ensured.
Description
Technical Field
The invention relates to the technical field of subway emergency doors, in particular to a safety device of a subway emergency door.
Background
The existing emergency lock device for the track traffic shielding door is opened in a torsion mode, but the following defects exist:
1) Poor operation and instability factors, especially that some passengers do not know the operation, the shielding door is difficult to open and the effective time of emergency is lost;
2) Only an emergency lock device is arranged in a carriage, when an emergency situation is encountered in the carriage, the outside of the carriage is difficult to timely extend out of a buffer hand to open a shielding door, and potential safety hazards exist;
3) When the track traffic shielding door is closed, the shielding door is deviated to cause the non-tight closing, so that the carriage has poor tightness and the normal use of the track traffic is seriously influenced.
Disclosure of Invention
The invention aims to overcome the defects of the prior art, provides a subway emergency door safety device which utilizes a flat-open type to open the emergency door, effectively replaces a torsion mode to open, is stable and reliable, is simple to operate, is additionally provided with a manual or electric appliance automatic opening locking function, improves the use safety, ensures the use effect of the emergency door,
The invention aims at realizing the following steps: the subway emergency door safety device comprises a push handle assembly, a lock tongue assembly, a lock head assembly and a door seat fixing assembly, wherein the lock tongue assembly is adaptively arranged at the left end of the push handle assembly, and the push handle assembly is provided with a transmission connecting rod assembly which is pushed by a pressing mode, is converted into a lock tongue block of the lock tongue assembly, swings horizontally and is opened and closed on the door seat fixing assembly;
The positioning ends of the transmission connecting rod assemblies are respectively connected with the pressing parts of the pushing handle assemblies, the swinging ends of the transmission connecting rod assemblies are provided with linkage rods connected with the lock tongue blocks of the lock tongue assemblies, the connection parts of the linkage rods and the lock tongue blocks of the lock tongue assemblies are suitably provided with reset spring groups, and the elasticity of the reset spring groups acts on the lock tongue assemblies and enables the lock tongue blocks of the lock tongue assemblies to be locked on the door seat fixing assemblies;
The lock head assembly is adaptively arranged on the push handle assembly, and the lock head assembly is provided with a rotation limiting assembly which is used for separating the lock tongue block of the lock tongue assembly from the door seat fixing assembly along with the rotation of the lock head assembly and the right swinging of the lock tongue block of the lock tongue assembly driven by the linkage rod;
The door seat fixing assembly is provided with an electronic switch assembly which locks and locks the lock tongue block in the lock tongue assembly and automatically loosens the lock tongue block in the lock tongue assembly.
According to the optimization, the transmission connecting rod assembly comprises a left hand swing arm, a hand connecting rod, a right hand swing arm, a pushing swing rod and a positioning push rod, wherein the hand connecting rod is fixedly arranged on a fixing part of the hand assembly, the front end of the left hand swing arm and the front end of the right hand swing arm are respectively connected to the inner side walls of the left end and the right end of a pressing part of the hand assembly in a positioning way through a hand rotating shaft, and the rear end of the left hand swing arm and the rear end of the right hand swing arm are respectively connected to the two ends of the hand connecting rod through connecting rotating shafts;
One end of the pushing swing rod is connected to the linkage rod through a pulling rotating shaft, one end of the pushing swing rod is connected with the positioning push rod through the pushing rotating shaft, the positioning push rod is connected to the fixing part of the lock tongue assembly through the positioning rotating shaft in a positioning mode, and two ends of the pushing rotating shaft slide on the inner side wall of the pressing part of the pushing handle assembly.
According to the optimization, the pushing handle assembly comprises a pushing handle seat and a pressing shell, wherein the pressing shell is buckled on the pushing handle seat and slides up and down along the inner wall of the pushing handle seat;
The push handle connecting rod is arranged on the push handle seat, and the front ends of the left push handle swing arm and the right push handle swing arm are respectively connected to the inner side walls of the left end and the right end of the pressing shell in a positioning way through the push handle rotating shaft;
the inner side wall of the pressing shell is provided with a guide chute which is used for adaptively pushing the sliding of the two ends of the rotating shaft.
According to the optimization, the left and right ends of the push handle seat are provided with a left sleeve and a right sleeve for dust prevention, and the left sleeve and the right sleeve are respectively embedded on the left and right ends of the push handle seat;
The left sleeve is provided with a square opening cover plate, the square opening cover plate and the lock tongue assembly are adaptively arranged and connected to a port on the left side of the push handle seat in a sealing manner, and the left sleeve is fixedly arranged with the square opening cover plate through a screw;
the right side sleeve is provided with a sealing cover plate, the sealing cover plate is connected to the right side port of the pushing handle seat in a sealing mode, and the right side sleeve is fixedly installed with the sealing cover plate through screws.
According to the optimization, the lock tongue component comprises a lock tongue front fixing seat, a lock tongue rear fixing seat, a lock tongue connecting rod and a lock tongue block, wherein the lock tongue connecting rod is positioned and installed at the bottoms of the lock tongue front fixing seat and the lock tongue rear fixing seat, the lock tongue front fixing seat and the lock tongue rear fixing seat are sequentially installed on the left end of a pushing seat of the pushing component from left to right, the lock tongue block is connected on the lock tongue front fixing seat in a left-right sliding way,
The linkage rod passes through the bolt rear fixing seat and the front end and the rear end of the linkage rod are respectively connected with the bolt block and the pushing swing rod of the transmission connecting rod assembly.
According to the optimization, the reset spring group comprises a front reset spring and a rear reset spring which are respectively sleeved at the front end and the rear end of the linkage rod, one end of the front reset spring is propped against the rear end of the lock tongue block, the other end of the front reset spring is fixedly connected to the linkage rod, one end of the rear reset spring is fixedly connected to the linkage rod, and the other end of the rear reset spring is propped against the rear fixing seat of the lock tongue.
According to the optimization, the linkage rod is provided with the spring pressing piece fixedly connected with the front reset spring end head and the spring connecting shaft fixedly connected with the rear reset spring end head, the spring pressing piece is positioned and connected with the front end of the rear fixing seat of the lock tongue, and the spring connecting shaft moves in the rear fixing seat of the lock tongue along with the swing of the linkage rod.
According to the optimization, the rotation limiting component comprises a rotation limiting block connected with a lock cylinder of the lock head component, the rotation limiting block is arranged in a lock tongue rear fixing seat of the lock tongue component,
And the rotation limiting block is provided with a stirring column for stirring the linkage rod to swing to the right along with the rotation of the lock head assembly, and the linkage rod is provided with a spring connecting shaft connected with the stirring column.
According to the optimization, the door seat fixing assembly comprises a door seat fixing plate, a door seat connecting plate, a tongue block fixing seat, a door seat tongue block and a tongue block pressing plate, wherein the door seat connecting plate is fixed on the door seat fixing plate, the tongue block fixing seat is adaptively installed on the door seat connecting plate, the door seat tongue block is adaptively installed on the tongue block fixing seat, and the tongue block pressing plate covers the door seat tongue block and is fixed on the tongue block fixing seat;
One end of the door seat tongue block is provided with a buckling position which is matched and buckled with the tongue block of the tongue block, the other end of the door seat tongue block slides on the tongue block fixing seat, and both sides of the door seat tongue block are respectively provided with a groove position which is matched and buckled or separated with the electronic switch component;
the electronic switch components are respectively fixed on the door seat connecting plates at two sides of the tongue block fixing seat.
According to the optimization, the electronic switch assembly comprises an electronic switch, a switch rotating sleeve and a switch rotating shaft, wherein the switch rotating sleeve is respectively arranged at the left side and the right side of a tongue block fixing seat of the door seat fixing assembly, the switch rotating shaft is respectively arranged on the switch rotating sleeve and is connected with a telescopic shaft of the electronic switch, and the telescopic shaft of the electronic switch stretches into the electronic switch and drives the switch rotating shaft to be buckled or separated on a tongue block of the door seat;
The electronic switch is connected with a monitoring sensor, and the monitoring sensor is arranged on the door seat connecting plate.
The invention has the advantages that:
1) Under the structural cooperation of the transmission connecting rod assembly, the pushing handle assembly and the spring bolt assembly, when the pressing shell of the pushing handle assembly is pressed downwards, under the action of the linkage rod, the pressing type pushing is converted into the horizontal left swing of the spring bolt block of the spring bolt assembly, so that the spring bolt block of the spring bolt assembly is separated from the door seat fixing assembly, and the emergency device is opened; when the pressing shell is loosened, under the action of the transmission connecting rod assembly and the reset spring group, the spring bolt block of the spring bolt assembly is automatically restored and buckled on the door seat fixing assembly, so that the locking function of the emergency device is realized, the emergency lock device opened in the existing torsion mode is effectively replaced, the operation is stable and reliable, and the use quality of the emergency door is effectively ensured.
2) Under the cooperation pushing hands subassembly and the structure of installation tapered end subassembly, the steerable rotation spacing subassembly is rotatory when this tapered end subassembly is rotatory to make the rotation spacing subassembly swing and stir the trace and swing about, in order to reach the subway outward can open spring bolt subassembly locking function by the manual work, improve security performance, guarantee emergency door's safe in utilization quality.
3) The electronic switch assembly additionally arranged on the door seat fixing assembly can automatically open the locking function when the emergency door is closed, deviates and is not tightly closed, so that the emergency door is opened again to be correspondingly closed on the door seat fixing assembly, the use stability is improved, the ideal locking effect is achieved, and the use quality of the emergency door is ensured.
Drawings
Fig. 1 is a schematic diagram of a preferred embodiment of the present invention (with electronic switch components removed).
Fig. 2 is an exploded view of a preferred embodiment of the present invention.
FIG. 3 is a schematic view of a transmission link assembly according to a preferred embodiment of the present invention.
Fig. 4 is an exploded view of a drive link assembly according to a preferred embodiment of the present invention.
Fig. 5 is a schematic view of a latch bolt assembly according to a preferred embodiment of the invention.
Fig. 6 is an exploded view of the latch bolt assembly of the preferred embodiment of the present invention.
FIG. 7 is a schematic diagram showing the relationship between the door seat fixing assembly and the electronic switch assembly according to the preferred embodiment of the present invention.
Fig. 8 is an exploded view of a preferred embodiment of the door mount fixing assembly of the present invention.
Detailed Description
The invention is further described below with reference to the accompanying drawings.
According to the invention, as shown in fig. 1 to 7, the safety device of the subway emergency door comprises a push handle assembly 1, a lock tongue assembly 2, a lock head assembly 3 and a door seat fixing assembly 4. The bolt assembly 2 is adaptively arranged at the left end of the push handle assembly 1, and the push handle assembly 1 is provided with a transmission connecting rod assembly 5 which is pushed by a pressing mode, is converted into a bolt block 21 of the bolt assembly 2 to swing horizontally left and right and is opened and closed on the door seat fixing assembly 4.
The positioning ends of the transmission connecting rod assemblies 5 are respectively connected to the pressing parts of the pushing handle assemblies 1, and the swinging ends of the transmission connecting rod assemblies 5 are provided with a linkage rod 6 connected with the lock tongue blocks 21 of the lock tongue assemblies 2. The connecting part of the linkage rod 6 and the lock tongue block 21 of the lock tongue assembly 2 is provided with a reset spring group 7 in an adaptive manner, and the elasticity of the reset spring group 7 acts on the lock tongue assembly 2 and locks the lock tongue block 21 of the lock tongue assembly 2 on the door seat fixing assembly 4.
That is, when the push handle assembly 1 is pressed downwards, the push is converted into the horizontal left swing of the lock tongue block 21 of the lock tongue assembly 2 under the action of the linkage rod 6, so that the lock tongue block 21 of the lock tongue assembly 2 is separated from the door seat fixing assembly 4, and the emergency device is opened; when the pressing shell 12 is loosened, under the action of the transmission connecting rod assembly 5 and the reset spring group 7, the spring bolt block 21 of the spring bolt assembly 2 is automatically restored and buckled on the door seat fixing assembly 4, so that the locking function of the emergency device is realized, the emergency lock device opened in the existing torsion mode is effectively replaced, the operation is stable and reliable, and the operation is simple, and the use quality of the emergency door is effectively ensured.
Referring to fig. 1, the transmission link assembly 5 includes a left hand swing arm 51, a hand link 52, a right hand swing arm 53, a push swing arm 54, and a positioning push rod 55. The push rod 52 is fixedly installed on the fixing part of the push rod assembly 1, the front ends of the left push arm 51 and the right push arm 53 are respectively connected to the inner side walls of the left and right ends of the pressing part of the push rod assembly 1 in a positioning way through the push rod rotating shaft 56, and the rear ends of the left push arm 51 and the right push arm 53 are respectively connected to the two ends of the push rod 52 through the connecting rotating shaft 57. One end of the pushing swing rod 54 is connected to the linkage rod 6 through a pulling rotating shaft, one end of the pushing swing rod 54 is connected with the positioning push rod 55 through a pushing rotating shaft 58, the positioning push rod 55 is connected to the fixed part of the lock tongue assembly 2 through the positioning rotating shaft in a positioning mode, and two ends of the pushing rotating shaft 58 slide on the inner side wall of the pressing part of the push handle assembly 1.
When the pushing handle assembly 1 is loosened, under the action of the transmission connecting rod assembly 5, the spring bolt block 21 of the spring bolt assembly 2 can be automatically restored, so that the spring bolt block is locked on the door seat fixing assembly 4, and the door seat fixing assembly is stable and reliable and is easy to operate.
Referring to fig. 1 to 4, the push handle assembly 1 includes a push handle base 11 and a pressing housing 12. The pressing housing 12 is fastened to the push handle 11 and slides up and down along the inner wall of the push handle 11, and the push handle link 52 is mounted on the push handle 11. And the front ends of the left hand pushing swing arm 51 and the right hand pushing swing arm 53 are respectively connected to the inner side walls of the left end and the right end of the pressing shell 12 in a positioning way through a pushing hand rotating shaft 56, and the inner side wall of the pressing shell 12 is provided with a guiding chute 13 for sliding the two ends of the pushing rotating shaft 58 in an adapting way. Simple structure can improve operation stability again, guarantees quality of use.
The left and right ends of the push handle seat 11 are provided with a left sleeve 14 and a right sleeve 15 for dust prevention, and the left sleeve 14 and the right sleeve 15 are respectively embedded on the left and right ends of the push handle seat 11. The left sleeve 14 is provided with a square opening cover plate 16, the square opening cover plate 16 and the lock tongue assembly 2 are matched and connected to the port on the left side of the push handle seat 11 in a sealing mode, and the left sleeve 14 is fixedly installed with the square opening cover plate 16 through screws. The right sleeve 15 is provided with a sealing cover plate 17, the sealing cover plate 17 is connected to the right port of the push handle seat 11 in a sealing manner, and the right sleeve 15 is fixedly installed with the sealing cover plate 17 through screws.
Under the structural cooperation of the left sleeve 14, the right sleeve 15, the square opening cover plate 16 and the sealing cover plate 17, the sealing and dustproof effects are effectively achieved, and the use quality of the device is improved.
Referring to fig. 1, 2, 6 and 7, the latch bolt assembly 2 includes a latch bolt front fixing seat 22, a latch bolt rear fixing seat 23, a latch bolt connecting rod 24 and a latch bolt block 21. The lock tongue connecting rod 24 is positioned and installed at the bottoms of the lock tongue front fixing seat 22 and the lock tongue rear fixing seat 23, the lock tongue front fixing seat 22 and the lock tongue rear fixing seat 23 are sequentially installed on the left end of the push handle seat 11 of the push handle assembly 1 from left to right, and the lock tongue block 21 is connected on the lock tongue front fixing seat 22 in a left-right sliding mode. And the linkage rod 6 passes through the bolt rear fixing seat 23 and the front and rear ends of the linkage rod are respectively connected with the bolt block 21 and the pushing swing rod 54 of the transmission connecting rod assembly 5.
Wherein, the return spring group 7 comprises a front return spring 71 and a rear return spring 72 which are respectively sleeved at the front end and the rear end of the linkage rod 6. One end of the front return spring 71 is propped against the rear end of the lock tongue block 21, the other end of the front return spring 71 is fixedly connected to the linkage rod 6, one end of the rear return spring 72 is fixedly connected to the linkage rod 6, and the other end of the rear return spring 72 is propped against the lock tongue rear fixing seat 23.
The linkage rod 6 is provided with a spring pressing piece 61 fixedly connected with the end of the front return spring 71 and a spring connecting shaft 62 fixedly connected with the end of the rear return spring 72, the spring pressing piece 61 is positioned and connected with the front end of the rear fixing seat 23 of the lock tongue, and the spring connecting shaft 62 moves in the rear fixing seat 23 of the lock tongue along with the swinging of the linkage rod 6.
When pressed down on the pressing housing 12, the pressing housing 12 slides down along the push handle base 11. At this time, the pressing housing 12 drives the pushing shaft 58 to linearly move inward along the guiding chute 13, so that the positioning push rod 55 and the pushing swing rod 54 are pressed downward. When enough pressing force is applied, the swing rod 54 is pushed to pull the linkage rod 6 to swing leftwards, the linkage rod 6 compresses the front reset spring 71 and the rear reset spring 72 and pulls the lock tongue block 21 to move leftwards along the lock tongue front fixing seat 22, so that the lock tongue block 21 is separated from the door seat fixing assembly 4, and the emergency device is opened.
When the pressing housing 12 is released, the front return spring 71 and the rear return spring 72 elastically return to the link 6, respectively, so that the link 6 swings and returns to the right, and the positioning push rod 55 and the pushing swing rod 54 are pushed to return to the upper side, so that the pushing rotating shaft 58 linearly moves along the guiding chute 13. During the process, under the outward supporting transmission action of the left hand pushing swing arm 51, the hand pushing connecting rod 52 and the right hand pushing swing arm 53, the pressing shell 12 is automatically restored upwards, so that the lock tongue block 21 is buckled on the door seat fixing assembly 4, and the locking function of the emergency device is realized.
Referring to fig. 1 and 2, the lock assembly 3 is adaptively mounted on the push handle assembly 1, and the lock assembly 3 is provided with a rotation limiting assembly 8 for separating the lock seat fixing assembly 4 by enabling the linkage rod 6 to drive the lock tongue block 21 of the lock tongue assembly 2 to swing right along with rotation of the lock assembly 3.
Wherein, the rotation limiting assembly 8 comprises a rotation limiting block 81 connected with the lock cylinder of the lock head assembly 3. The rotation limiting block 81 is installed in the bolt rear fixing seat 23 of the bolt assembly 2, and the rotation limiting block 81 is provided with a stirring column 82 for stirring the linkage rod 6 to swing right along with the rotation of the lock head assembly 3, and the linkage rod 6 is provided with a spring connecting shaft 62 connected with the stirring column 82.
Like this, under the structure cooperation of pushing hands subassembly 1 and installation tapered end subassembly 3, steerable rotation spacing subassembly 8 is rotatory when this tapered end subassembly 3 is rotatory to make rotation spacing subassembly 8 swing and stir the rocking lever 6 side-to-side, in order to reach the subway outward can the manual work open spring bolt subassembly 2 locking function, improve the security performance, guarantee emergency door's safe in utilization quality.
Referring to fig. 1, 2, 7 and 8, the door seat fixing assembly 4 is provided with a locking block 21 locked and buckled in the locking block 2 and an electronic switch assembly 9 for automatically releasing the locking block 21 in the locking block 2.
In practical application, the door seat fixing assembly 4 includes a door seat fixing plate 41, a door seat connecting plate 42, a tongue block fixing seat 43, a door seat tongue block 44, and a tongue block pressing plate 45. The door seat connecting plate 42 is fixed on the door seat fixing plate 41, the tongue block fixing seat 43 is adaptively installed on the door seat connecting plate 42, the door seat tongue block 44 is adaptively installed on the tongue block fixing seat 43, and the tongue block pressing plate 45 covers the door seat tongue block 44 and is fixed on the tongue block fixing seat 43.
Furthermore, one end of the door seat tongue block 44 is provided with a fastening position 46 which is matched and fastened with the tongue block 21 of the tongue assembly 2, the other end of the door seat tongue block 44 slides on the tongue block fixing seat 43, and two sides of the door seat tongue block 44 are respectively provided with a groove position 47 which is matched and fastened or separated with the electronic switch assembly 9. The electronic switch components 9 are respectively fixed on the door seat connecting plates 42 at two sides of the tongue block fixing seat 43.
The electronic switch assembly 9 includes an electronic switch 91, a switch rotating sleeve 92, and a switch rotating shaft 93, the switch rotating sleeve 92 is respectively mounted on the left and right sides of the tongue block fixing seat 43 of the door seat fixing assembly 4, the switch rotating shaft 93 is respectively mounted on the switch rotating sleeve 92 and connected with a telescopic shaft of the electronic switch 91, the telescopic shaft of the electronic switch 91 stretches into the electronic switch 91 and drives the switch rotating shaft 93 to be fastened or separated on the door seat tongue block 44. The electronic switch 91 is connected with a monitoring sensor, and the monitoring sensor is installed on the door seat connecting plate 42.
Through the electronic switch assembly 9 that adds, can appear the off normal and close untight in emergency door closing, electronic switch assembly 9 automatic opening locking function makes the emergency door open again and close at the fixed subassembly 4 of door seat correspondingly, improves stability in use, reaches ideal locking effect, ensures the quality of use of emergency door.
The specific embodiments are only specific embodiments with good effects, and all structures which are the same as or equivalent to the subway emergency door safety device are within the protection scope of the invention.
Claims (6)
1. The utility model provides a subway emergency door safety device which characterized in that: the subway emergency door safety device comprises a push handle assembly (1), a lock tongue assembly (2), a lock head assembly (3) and a door seat fixing assembly (4), wherein the lock tongue assembly (2) is adaptively arranged at the left end of the push handle assembly (1), and the push handle assembly (1) is provided with a transmission connecting rod assembly (5) which is pushed by a pressing mode, is converted into a lock tongue block (21) of the lock tongue assembly (2) and horizontally swings left and right to be opened and closed on the door seat fixing assembly (4);
The positioning ends of the transmission connecting rod assemblies (5) are respectively connected with the pressing parts of the pushing handle assemblies (1), the swinging ends of the transmission connecting rod assemblies (5) are provided with linkage rods (6) connected with the lock tongue blocks (21) of the lock tongue assemblies (2), reset spring groups (7) are arranged at the connecting positions of the linkage rods (6) and the lock tongue blocks (21) of the lock tongue assemblies (2) in an adapting mode, and the elasticity of the reset spring groups (7) acts on the lock tongue assemblies (2) and enables the lock tongue blocks (21) of the lock tongue assemblies (2) to be locked on the door seat fixing assemblies (4);
The lock head assembly (3) is adaptively arranged on the push handle assembly (1), and the lock head assembly (3) is provided with a rotation limiting assembly (8) which is used for separating the door seat fixing assembly (4) along with the rotation of the lock head assembly (3) to enable the linkage rod (6) to drive the lock tongue block (21) of the lock tongue assembly (2) to swing right;
the door seat fixing assembly (4) is provided with a lock tongue block (21) locked and buckled in the lock tongue assembly (2) and an electronic switch assembly (9) for automatically loosening the lock tongue block (21) in the lock tongue assembly (2);
the transmission connecting rod assembly (5) comprises a left hand swing arm (51), a hand connecting rod (52), a right hand swing arm (53), a pushing swing rod (54) and a positioning push rod (55), wherein the hand connecting rod (52) is fixedly arranged on a fixed part of the hand assembly (1), the front end of the left hand swing arm (51) and the front end of the right hand swing arm (53) are respectively connected to the inner side walls of the left end and the right end of a pressing part of the hand assembly (1) in a positioning way through a hand rotating shaft (56), and the rear end of the left hand swing arm (51) and the rear end of the right hand swing arm (53) are respectively connected to the two ends of the hand connecting rod (52) through connecting rotating shafts (57);
One end of the pushing swing rod (54) is connected to the linkage rod (6) through a pulling rotating shaft, one end of the pushing swing rod (54) is connected with the positioning push rod (55) through a pushing rotating shaft (58), the positioning push rod (55) is connected to the fixed part of the lock tongue assembly (2) through the positioning rotating shaft in a positioning way, and two ends of the pushing rotating shaft (58) slide on the inner side wall of the pressing part of the push handle assembly (1);
The lock tongue component (2) comprises a lock tongue front fixing seat (22), a lock tongue rear fixing seat (23), a lock tongue connecting rod (24) and a lock tongue block (21), wherein the lock tongue connecting rod (24) is positioned and installed at the bottoms of the lock tongue front fixing seat (22) and the lock tongue rear fixing seat (23), the lock tongue front fixing seat (22) and the lock tongue rear fixing seat (23) are sequentially installed on the left end of a push handle seat (11) of the push handle component (1) from left to right, the lock tongue block (21) is connected on the lock tongue front fixing seat (22) in a left-right sliding way,
The linkage rod (6) passes through the bolt rear fixing seat (23) and the front end and the rear end of the linkage rod are respectively connected with the bolt block (21) and the pushing swing rod (54) of the transmission connecting rod assembly (5);
The reset spring group (7) comprises a front reset spring (71) and a rear reset spring (72) which are respectively sleeved at the front end and the rear end of the linkage rod (6), one end of the front reset spring (71) is propped against the rear end of the lock tongue block (21), the other end of the front reset spring (71) is fixedly connected to the linkage rod (6), one end of the rear reset spring (72) is fixedly connected to the linkage rod (6), and the other end of the rear reset spring (72) is propped against the rear fixed seat (23) of the lock tongue;
The door seat fixing assembly (4) comprises a door seat fixing plate (41), a door seat connecting plate (42), a tongue block fixing seat (43), a door seat tongue block (44) and a tongue block pressing plate (45), wherein the door seat connecting plate (42) is fixed on the door seat fixing plate (41), the tongue block fixing seat (43) is adaptively installed on the door seat connecting plate (42), the door seat tongue block (44) is adaptively installed on the tongue block fixing seat (43), and the tongue block pressing plate (45) covers the door seat tongue block (44) and is fixed on the tongue block fixing seat (43); one end of the door seat tongue block (44) is provided with a buckling position (46) which is matched and buckled with the tongue block (21) of the tongue block (2), the other end of the door seat tongue block (44) slides on the tongue block fixing seat (43), and two sides of the door seat tongue block (44) are respectively provided with a groove position (47) which is matched and buckled with or separated from the electronic switch assembly (9);
The electronic switch components (9) are respectively fixed on the door seat connecting plates (42) at two sides of the tongue block fixing seat (43).
2. The subway emergency door safety device according to claim 1, wherein: the pushing handle assembly (1) comprises a pushing handle seat (11) and a pressing shell (12), wherein the pressing shell (12) is buckled on the pushing handle seat (11) and slides up and down along the inner wall of the pushing handle seat (11);
The push handle connecting rod (52) is arranged on the push handle seat (11), and the front ends of the left push handle swing arm (51) and the right push handle swing arm (53) are respectively connected to the inner side walls of the left end and the right end of the pressing shell (12) in a positioning way through the push handle rotating shaft (56);
The inner side wall of the pressing shell (12) is provided with a guide chute (13) which is used for sliding the two ends of the pushing rotating shaft (58) in an adapting mode.
3. The subway emergency door safety device according to claim 2, wherein: the left and right ends of the push handle seat (11) are provided with a left sleeve (14) and a right sleeve (15) for dust prevention, and the left sleeve (14) and the right sleeve (15) are respectively embedded on the left and right ends of the push handle seat (11);
The left sleeve (14) is provided with a square opening cover plate (16), the square opening cover plate (16) and the lock tongue assembly (2) are adaptively arranged and connected to a port on the left side of the push handle seat (11) in a sealing mode, and the left sleeve (14) is fixedly arranged with the Fang Kougai plate (16) through screws;
the right sleeve (15) is provided with a sealing cover plate (17), the sealing cover plate (17) is connected to the right side port of the push handle seat (11) in a sealing mode, and the right sleeve (15) is fixedly installed with the sealing cover plate (17) through screws.
4. The subway emergency door safety device according to claim 1, wherein: the spring pressing piece (61) fixedly connected with the end of the front reset spring (71) and the spring connecting shaft (62) fixedly connected with the end of the rear reset spring (72) are arranged on the linkage rod (6), the spring pressing piece (61) is connected to the front end of the lock tongue rear fixing seat (23) in a positioning mode, and the spring connecting shaft (62) moves in the lock tongue rear fixing seat (23) along with the swing of the linkage rod (6).
5. The subway emergency door safety device according to claim 1 or 4, wherein: the rotation limiting component (8) comprises a rotation limiting block (81) connected with a lock cylinder of the lock head component (3), the rotation limiting block (81) is arranged in a lock tongue rear fixing seat (23) of the lock tongue component (2),
And the rotation limiting block (81) is provided with a stirring column (82) for stirring the linkage rod (6) to swing to the right along with the rotation of the lock head assembly (3), and the linkage rod (6) is provided with a spring connecting shaft (62) connected with the stirring column (82).
6. The subway emergency door safety device according to claim 1, wherein: the electronic switch assembly (9) comprises an electronic switch (91), a switch rotating sleeve (92) and a switch rotating shaft (93), wherein the switch rotating sleeve (92) is respectively arranged at the left side and the right side of a tongue block fixing seat (43) of the door seat fixing assembly (4), the switch rotating shaft (93) is respectively arranged on the switch rotating sleeve (92) and is connected with a telescopic shaft of the electronic switch (91), the telescopic shaft of the electronic switch (91) stretches into the electronic switch (91) and drives the switch rotating shaft (93) to be buckled or separated on a door seat tongue block (44);
the electronic switch (91) is connected with a monitoring sensor, and the monitoring sensor is arranged on the door seat connecting plate (42).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810341436.5A CN108343325B (en) | 2018-04-17 | 2018-04-17 | Subway emergency door safety device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810341436.5A CN108343325B (en) | 2018-04-17 | 2018-04-17 | Subway emergency door safety device |
Publications (2)
| Publication Number | Publication Date |
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| CN108343325A CN108343325A (en) | 2018-07-31 |
| CN108343325B true CN108343325B (en) | 2024-05-31 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201810341436.5A Active CN108343325B (en) | 2018-04-17 | 2018-04-17 | Subway emergency door safety device |
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| Country | Link |
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| CN (1) | CN108343325B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN110863719A (en) * | 2019-11-30 | 2020-03-06 | 北京博得交通设备有限公司 | Emergency unlocking assembly for metro door |
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| Publication number | Publication date |
|---|---|
| CN108343325A (en) | 2018-07-31 |
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