CN221973232U - Safety door lock - Google Patents

Safety door lock Download PDF

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Publication number
CN221973232U
CN221973232U CN202420017706.8U CN202420017706U CN221973232U CN 221973232 U CN221973232 U CN 221973232U CN 202420017706 U CN202420017706 U CN 202420017706U CN 221973232 U CN221973232 U CN 221973232U
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CN
China
Prior art keywords
pull rod
lock
handle
unlocking
assembly
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Active
Application number
CN202420017706.8U
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Chinese (zh)
Inventor
罗威
廖春平
梁丰
李婉蓉
杨鑫坡
陈绪旺
钟韬
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Fangda Zhiyuan Technology Co ltd
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Fangda Zhiyuan Technology Co ltd
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Priority to CN202420017706.8U priority Critical patent/CN221973232U/en
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Publication of CN221973232U publication Critical patent/CN221973232U/en
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Abstract

The utility model discloses a safety door lock, which comprises: the pull rod assembly is positioned at the side edge of the door body and is used for being matched with a lock hole on the door frame to realize locking; the handle lock comprises a handle and a first unlocking component, the first unlocking component is connected with the pull rod component, the handle is positioned at the outer side of the door body and is connected with the first unlocking component through the door body, and when the handle rotates, the first unlocking component is driven to move, so that the pull rod component moves in a direction away from the lock hole; the push rod lock is located at the track side and comprises a push rod and a second unlocking component, the second unlocking component is connected with the pull rod component, and the push rod is connected with the second unlocking component so as to drive the second unlocking component to move when the push rod rotates, so that the pull rod component moves in a direction away from the lock hole. The safety door lock disclosed by the utility model can realize unlocking linkage of the platform side and the track side under an emergency by matching the handle lock with the push rod lock and the pull rod assembly, so that the use of the platform side and the track side under the emergency is satisfied.

Description

Safety door lock
Technical Field
The utility model relates to the technical field of door locks, in particular to a safety door lock.
Background
The shielding door is commonly used in the occasions such as subway stations, inter-city stations, train stations and the like, and is used for dividing a public area of the stations, a rail running area and an equipment area, so that passengers are prevented from entering dangerous areas without permission. In order to evacuate people in emergency situations such as fire, flood, train driving faults and the like and facilitate workers to enter a track area for equipment maintenance, end doors are usually arranged at two ends of one side of the shielding door and are locked and unlocked through locks, namely, the shielding doors at the left end and the right end are arranged as safe escape doors locked and unlocked through the locks, so that people are evacuated in emergency situations, and serious safety accidents are avoided. At present, in the field of rail transit, an escape door is usually unlocked at a platform side by a worker by using a special key, or is unlocked at the track side by adopting a push rod so as to evacuate people, and if the situation is urgent and the signal connection problem occurs between a train and a main control desk, the situation that the escape door is unlocked at the platform side is possibly occurred, so that certain potential safety hazard exists.
Disclosure of utility model
The technical problem to be solved by the utility model is to provide the safety door lock capable of being unlocked on both the platform side and the track side in emergency, namely, the safety door lock can be unlocked on the platform side by rotating the handle except for an access control system, when the access control system fails, the handle can be locked by a key to avoid unlocking by an irrelevant person operating the handle, and under any condition, the safety door lock can be unlocked on the track side by using the push rod, so that the safety door lock with safer and more reliable and more flexible applicability is provided for the field of track traffic.
In order to solve the technical problems, the present utility model provides a safety door lock, which is applied to a door body, and includes:
the pull rod assembly is positioned at the side edge of the door body and is used for being matched with a lock hole on the door frame to realize locking;
The handle lock comprises a handle and a first unlocking component, the first unlocking component is connected with the pull rod component, the handle is positioned on the outer side of the door body and penetrates through the door body to be connected with the first unlocking component, so that the first unlocking component is driven to move when the handle rotates, and the pull rod component moves in a direction away from the lock hole;
The push rod lock is located at the side of the track and comprises a push rod and a second unlocking component, the second unlocking component is connected with the pull rod component, and the push rod is connected with the second unlocking component so as to drive the second unlocking component to move when the push rod rotates, so that the pull rod component moves in a direction away from the lock hole.
The further technical scheme is as follows: the first unlocking component comprises a first connecting shaft, a handle connecting rod, a handle shifting fork and a handle stopping block, wherein the handle stopping block is fixed on the pull rod component, the handle is connected with the first connecting shaft, the handle connecting rod is sleeved on the first connecting shaft, one end of the handle connecting rod is connected with the handle shifting fork, the handle shifting fork is located on one side of the handle stopping block and is abutted to the handle stopping block, so that the handle is moved upwards/downwards when rotated, and the pull rod component is driven to move away from the lock hole through the handle stopping block.
The further technical scheme is as follows: the handle lock further comprises a second shell and a first locking component, the second shell is installed on the door body panel, one side of the second shell penetrates through the door body panel and is located on the track side, the first locking component comprises a locking piece, two permanent magnets, a lock cylinder and a lock tongue, the first locking component and the first unlocking component are located on one side of the second shell located on the track side, a second connecting shaft is further fixed on the second shell, the second connecting shaft is located above the lock cylinder and below the first connecting shaft, the locking piece is sleeved on the second connecting shaft, a blocking part is arranged on one side of the locking piece, the two permanent magnets are respectively fixed on two sides of the second connecting shaft and can be attracted with the locking piece, and the lock tongue is connected with the lock cylinder, so that one side of the locking piece located above is attracted onto the permanent magnet when the lock tongue rotates, and the blocking part is close to the handle to block rotation of the connecting rod or is far away from the connecting rod.
The further technical scheme is as follows: the lock piece comprises a loop bar, a first lock bar and a second lock bar, wherein the first lock bar and the second lock bar are respectively formed by outwards and downwards bending from two sides of the loop bar, the loop bar is sleeved on the second connecting shaft, magnets for attracting the permanent magnets are respectively arranged on the first lock bar and the second lock bar, the blocking part is formed at the tail end of the first lock bar, and a notch for clamping a lock tongue is formed between the lower ends of the first lock bar, the loop bar and the second lock bar.
The further technical scheme is as follows: the handle is embedded in one side of the second shell body installed in the door body panel, one side of the handle connecting rod, which is close to the blocking part, extends downwards to form a hook body, the blocking part is wedge-shaped, so that the first locking rod is matched with the hook body to block the rotation of the handle connecting rod when being attracted onto the permanent magnet, a reset torsion spring is further sleeved on the first connecting shaft, one end of the reset torsion spring is connected with the handle connecting rod, and the other end of the reset torsion spring is fixed on the second shell body.
The further technical scheme is as follows: the second unlocking assembly comprises a fixed seat, a third connecting shaft, a deflector rod and a second stop block, wherein the second stop block is fixed on the pull rod assembly, the third connecting shaft is connected to the side edge of the door body through the fixed seat, one end of the deflector rod is sleeved on the third connecting shaft, a clamping column is formed at the other end of the deflector rod, a clamping groove which is clamped with the clamping column is formed in the second stop block, the third connecting shaft is further connected with the push rod so as to rotate under the action of the push rod, and the deflector rod and the second stop block drive the pull rod assembly to move in a direction away from the lock hole.
The further technical scheme is as follows: the second unlocking assembly further comprises a connecting block and two reset springs, a through notch is formed in the middle of the second stop block, the connecting block is fixed on the pull rod assembly and located in the notch, the two reset springs are sleeved on the pull rod assembly and located on two sides of the connecting block respectively, one end of each reset spring is connected with the connecting block, and the other end of each reset spring is fixed on the pull rod assembly.
The further technical scheme is as follows: the second stop block comprises a block body and a second connecting rod which is formed by extending outwards from one side of the block body, the block body is fixed on the pull rod assembly, and the clamping groove is formed at the tail end of the second connecting rod.
The further technical scheme is as follows: the door body side is provided with a connecting frame, the upper and lower tip of pull rod assembly all realizes locking with the lockhole cooperation, and this pull rod assembly is including setting up the last pull rod on connecting frame, being located rotatory connecting piece and the lower pull rod of going up the pull rod below, rotatory connecting piece through a fourth connecting axle set up in on the connecting frame, and this rotatory connecting piece can wind the fourth connecting axle rotates, rotatory connecting piece both ends all are provided with the hook portion, the bottom of going up the pull rod with the top of pull rod down is provided with first connection shift fork and second connection shift fork respectively, first connection shift fork and second connection shift fork hook respectively locate on a hook portion, first unblock subassembly and second unblock subassembly all with lower pull rod/go up the pull rod and be connected to thereby drive down the pull rod and upwards move so as to drive down the pull rod and upwards move, make lower pull rod bottom with go up the top and break away from the lockhole.
The further technical scheme is as follows: the door body side is provided with a connecting frame, the pull rod assembly is including setting up the pull rod on connecting frame, the top/bottom and a lockhole cooperation of pull rod realize locking, first unblock subassembly and second unblock subassembly all with the pull rod is connected, so that drive when handle rotates/push rod rotates the pull rod is in the direction of keeping away from the lockhole removes.
The beneficial technical effects of the utility model are as follows: compared with the prior art, the safety door lock is provided with the handle lock and the push rod lock, the handle lock and the push rod lock are connected with the pull rod assembly for being matched with the lock hole on the door frame to realize locking, when the handle on the outer side of the door body, namely the platform side, is rotated, the pull rod assembly can be driven to move in the direction away from the lock hole by the first unlocking assembly, or when the push rod on the track side is rotated, the pull rod assembly can be driven to move in the direction away from the lock hole by the second unlocking assembly, so that unlocking is realized, and the safety door lock is provided with the handle lock capable of being unlocked by rotating the handle on the platform side and the push rod lock capable of being unlocked on the track side.
Drawings
FIG. 1 is a schematic view of an embodiment of a security door lock of the present utility model;
FIG. 2 is a schematic side view of the security door lock of FIG. 1;
FIG. 3 is an enlarged schematic view of portion A of the security door lock of FIG. 2;
FIG. 4 is a schematic rear view of the security door lock of FIG. 1;
FIG. 5 is a schematic perspective view of a handle lock of the security door lock of FIG. 1;
FIG. 6 is a schematic front view of the handle lock of FIG. 5;
FIG. 7 is a schematic rear view of the handle lock of FIG. 5;
FIG. 8 is a schematic view of the handle lock of the present utility model in an unlocked state;
FIG. 9 is a schematic view of the configuration of the lower pull rod of the security door lock of the present utility model in combination with the handle stop and the second unlocking assembly;
FIG. 10 is a schematic top view of the structure of FIG. 9;
FIG. 11 is a schematic view of the structure of the upper pull rod in the security door lock of the present utility model;
fig. 12 is a schematic top view of the structure shown in fig. 11.
Detailed Description
In order to more fully understand the technical content of the present utility model, the following technical solutions of the present utility model are further described and illustrated with reference to the schematic drawings, but are not limited thereto.
Referring to fig. 1-12, fig. 1-12 illustrate an embodiment of the security door lock of the present utility model. In the embodiment shown in the drawings, the safety door lock comprises a pull rod assembly, a handle lock 20 and a push rod lock 30, wherein the pull rod assembly is positioned at the side edge of the door body and is used for being matched with a lock hole on a door frame to realize locking; the handle lock 20 comprises a handle 21 and a first unlocking component 22, the first unlocking component 22 is connected with the pull rod component, the handle 21 is positioned at the outer side of the door body and penetrates through the door body to be connected with the first unlocking component 22, so that the first unlocking component 22 is driven to move when the handle 21 rotates, and the pull rod component moves in a direction away from the lock hole; the push rod lock 30 is located at the track side and comprises a push rod 31 and a second unlocking component 32, the second unlocking component 32 is connected with the pull rod component, and the push rod 31 is connected with the second unlocking component 32 so as to drive the second unlocking component 32 to move when the push rod 31 rotates, so that the pull rod component moves in a direction away from the lock hole. Based on the above design, the handle lock 20 and the push rod lock 30 are connected with the pull rod assembly for locking by matching with the lock hole on the door frame, so that when the handle 21 positioned outside the door body, namely the platform side, is rotated, the pull rod assembly is driven to move away from the lock hole by the first unlocking assembly 22, or when the push rod 31 positioned on the track side is rotated, the pull rod assembly is driven to move away from the lock hole by the second unlocking assembly 32, thereby realizing unlocking, namely the handle lock 20, the push rod lock 30 and the pull rod assembly which can be unlocked by rotating the handle 21 are matched to realize unlocking linkage of the platform side and the track side under emergency conditions, and the use of the platform side and the track side under emergency conditions can be satisfied.
Specifically, in some embodiments, a connection frame 17 is provided on the side of the door body, the upper end and the lower end of the pull rod assembly are all locked with the lock hole in a matching manner, the pull rod assembly includes an upper pull rod 11 disposed on the connection frame 17, a rotary connecting member 13 and a lower pull rod 12 disposed below the upper pull rod 11, the upper pull rod 11 and the lower pull rod 12 can be mounted on the connection frame 17 through a mounting seat 112, the rotary connecting member 13 is disposed on the connection frame 17 through a fourth connecting shaft 14, the rotary connecting member 13 can rotate around the fourth connecting shaft 14, in this embodiment, the rotary connecting member 13 is approximately disc-shaped, hook portions 131 are disposed at two symmetrical ends of the rotary connecting member 13, a first connecting fork 15 and a second connecting fork 16 are disposed at the top end of the upper pull rod 11, the first connecting fork 15 and the second connecting fork 16 are respectively hooked on the connection frame 17, the top end of the upper pull rod 11 and the bottom end of the lower pull rod 12 are respectively connected with the first connecting fork 123 and the second connecting fork 111, the first locking member 123 and the second locking member 123 are respectively driven by the first locking member 123 and the second locking member 111 are driven by the first locking member 111 and the second locking member 111, the first locking member 111 is driven by the unlocking member 2 and the second locking member 111 is driven by the unlocking member 12, and the first locking member 2 is driven by the first locking member 1 and the unlocking member 12 is driven by the first locking member and the unlocking member 12. It will be appreciated that in some other embodiments, the first unlocking component 22 and the second unlocking component 32 may be connected to the upper pull rod 11, so as to drive the upper pull rod 11 to move downward under the action of the handle 21 and the push rod 31 to drive the lower pull rod 12 to move upward, so as to unlock, or drive the upper pull rod 11 to move upward to drive the lower pull rod 12 to move downward so as to enable the second locking member 123 and the first locking member 111 to enter the lock hole.
With continued reference to fig. 1 and 5-7, in some embodiments, the first unlocking assembly 22 includes a first connecting shaft 221, a handle connecting rod 222, a handle fork 223, and a handle block 224, wherein the handle block 224 is fixed on the lower pull rod 12, the handle 21 is connected to the first connecting shaft 221, the handle connecting rod 222 is sleeved on the first connecting shaft 221, one end of the handle connecting rod 222 is connected to the handle fork 223 through a fastener such as a screw or a stud, and the handle fork 223 is located on one side of the handle block 224 and abuts against the handle block 224, so that the handle block 224 drives the pull rod assembly to move away from the lock hole when the handle 21 rotates. Specifically, in this embodiment, the handle fork 223 is located below the handle stop 224 and abuts against the handle stop 224, so that the handle stop 224 abutting against the handle fork 223 moves upward when the handle 21 rotates, and further drives the pull-down rod 12 to move upward to separate from the lock hole, and meanwhile, the rotary connector 13 can enable the pull-up rod 11 to move downward to separate from the lock hole, so as to realize unlocking.
Further, in this embodiment, the handle lock 20 further includes a second housing 25 and a first locking assembly, the second housing 25 is mounted on the door panel, and one side of the second housing passes through the door panel and is located at the track side, the first locking assembly includes a lock 231, two permanent magnets 232, a lock cylinder 233 and a lock tongue 234, wherein the first locking assembly and the first unlocking assembly 22 are both located at one side of the second housing 25 located at the track side, a core holder 236 is disposed at the right lower side of the second housing 25, the lock cylinder 233 is located at the core holder 326, a second connecting shaft is further fixed at the second housing 25, and the second connecting shaft is located above the lock cylinder 233 and below the first connecting shaft 221, the lock 231 is sleeved on the second connecting shaft, and a blocking portion 2311 is disposed at one side of the lock 231, the two permanent magnets 232 are respectively fixed at both sides of the second connecting shaft, and can be attracted to the lock 233 and the lock tongue 234, so that the lock tongue 234 is located at one side of the handle 222 or the other than the lock cylinder 233. Based on the above design, when the door control system is damaged or no door control system is available, the operator can lock the handle 21 by the key, inhibit the rotation of the handle, and avoid the false start of the door by the passenger, namely, by turning the lock tongue 234 by the key, the side of the lock 231 provided with the blocking part 2311 above the lock tongue 234 is pushed to approach the permanent magnet along with the rotation of the lock tongue 234 until the side is attracted with the permanent magnet 232 approaching the lock tongue, the blocking part 2311 blocks the rotation of the handle connecting rod 222, the handle 21 is locked, the lock tongue 234 is continuously rotated to the initial position, the key is pulled out, and the non-operator at the platform side cannot open the platform end door at this time (as shown in fig. 5 and 6); when the handle 21 is unlocked in the power-off state and locked, the key is inserted, and then the key is rotated in the opposite direction, the door pushes the other side of the lock member 231 to move upward along with the rotation of the lock tongue 234, and the blocking portion 2311 is engaged with the other permanent magnet 232, so that the stop portion 2311 is far away from the handle link 222, and the operator can rotate the handle 21 to open the end door at the platform side (as shown in fig. 8).
Specifically, in some embodiments, the locking member 231 includes a sleeve rod 2313, a first locking rod 2314 and a second locking rod 2315 that are respectively formed by bending outwards and downwards from two sides of the sleeve rod 2313, the sleeve rod 2313 is sleeved on the second connecting shaft, magnets for attracting the permanent magnet 232 are respectively arranged on the first locking rod 2314 and the second locking rod 2315, the blocking portion 2311 is formed at the tail end of the first locking rod 2314, and a notch 2312 for the locking tongue 234 to be clamped in is formed between the lower ends of the first locking rod 2314, the sleeve rod 2313 and the second locking rod 2315. Preferably, the handle 21 is embedded in the second housing 25 and mounted on a side of the door panel, a hook 2221 is formed by extending a side of the handle link 222, which is close to the blocking portion 2311, downward, the blocking portion 2311 is wedge-shaped, so as to cooperate with the hook 2221 to block rotation of the handle link 222 when the first lock lever 2314 is attracted to the permanent magnet 232, a reset torsion spring 26 is further sleeved on the first connecting shaft 221, one end of the reset torsion spring 26 is connected with the handle link 222, and the other end is fixed on the second housing 25. Based on the above design, when the handle 21 is locked, the key is inserted and turned to a certain angle and can be clamped into the notch 2312, the lock tongue 234 pushes the first lock rod 2314 to move upwards in the turning process, and approaches the permanent magnet 232, so that the magnet on the first lock rod 2311 is in contact with the hook 2221 of the handle connecting rod 222 in a wedge shape to block the rotation of the handle connecting rod 222, and the handle 21 is locked; when the key is inserted and reversely rotated to a certain angle, the notch 2312 can be blocked, in the rotating process, the lock tongue 234 pushes the second lock rod 2315 to move upwards and is attracted to the other permanent magnet 232, so that the blocking part 2311 moves downwards and is far away from the hook 2221, and at the moment, a station operator can rotate the handle 21 to open the end door; and understandably, the embedded handle 21 can avoid potential safety hazards caused by passengers climbing to the track side by means of the handle 21, and when the door body needs to be opened, the operation of the standing personnel is also convenient.
With continued reference to fig. 1, 3, 9 and 10, in the embodiment shown in the drawings, the second unlocking component 32 includes a fixing seat 321, a third connecting shaft 322, a deflector rod 323 and a second stop block 324, where the second stop block 324 is fixed on the lower pull rod 12, preferably, in this embodiment, the fixing seat 321 includes a base body 3211 and a connecting body 3212, the base body 3211 is fixed on the connecting frame 17, the connecting body 3212 is erected on the base body 3211 and is located on one side of the lower pull rod 12, the third connecting shaft 322 penetrates through the connecting body 3212 and is connected to the lower pull rod 12, one end of the deflector rod 323 is sleeved on the third connecting shaft 322, a clamping groove 3241 that is clamped with the clamping column is formed on the second stop block 324, a slot 3221 is further formed on the third connecting shaft 322, and the push rod 31 is arranged on the slot 3221, and the third connecting shaft 322 is also driven by the third connecting shaft 322 to move away from the lower pull rod 12 in a direction away from the lower pull rod 323.
Specifically, in this embodiment, the second unlocking component 32 further includes a connecting block 326 and two return springs 325, the second stop block 324 includes a block 3243 and a second connecting rod 3244 extending outwards from one side of the block 3243, the block 3243 is fixed on the pull-down rod 12, the clamping groove 3241 is formed at the end of the second connecting rod 3244, a through notch 3242 is formed in the middle of the block 3243, the connecting block 326 is fixed on the pull-down rod 12 and is located in the notch 3242, the two return springs 325 are sleeved on the pull-down rod 12 and are located at two sides of the connecting block 326, one end of the return spring 325 is connected with the connecting block 326, and the other end is fixed on the pull-down rod 12. Based on the above design, the second stop 324 can return to the original position under the action of the return spring 325.
When the safety door lock is used, the second shell 25 can be embedded in a door body panel of the end door, the handle 21 is embedded in the surface of the second shell 25, when the end door is provided with an access control device, a station worker can drive the first connecting shaft 221 to rotate by brushing an access control card on the station side, so that one end, connected with the handle connecting rod 222 and the handle shifting fork 223, of the handle connecting rod 221 is driven to move upwards, the handle shifting fork 223 is driven to push the handle stop block 224 to move upwards, the lower pull rod 12 is driven to move upwards, the upper pull rod 11 and the lower pull rod 12 are driven to move downwards through the cooperation of the rotary connecting piece 13, the first connecting shifting fork 15 and the second connecting shifting fork 16, so that the upper pull rod 11 and the lower pull rod 12 are separated from lock holes, the end door is unlocked, the safety door is opened, the handle 21 of the safety door lock is in an unlocking state at the moment, one end of the reset torsion spring 26 is connected with the second shell 25, the handle 21 after being rotated is connected with the handle connecting rod 222, and the handle 21 can be reset through the reset torsion spring 26 after being not influenced by external force; when the access control system is damaged or the access control system is not available, a standing person can lock the handle 21 through a key to inhibit rotation of the handle 21, so that a passenger can be prevented from opening the door by mistake, namely, the lock tongue 234 can be clamped into the notch 2312 when the lock tongue 234 is rotated to a certain angle through the key, the lock tongue 234 can push the first lock rod 2314 to move upwards in the rotation process, the lock tongue is close to the permanent magnet 232, so that a magnet on the lock tongue 234 is in attraction with the permanent magnet 232, a blocking part 2311 in a wedge shape is abutted with a hook 2221 of the handle connecting rod 222 to block rotation of the handle connecting rod 222, the handle 21 is locked, the lock tongue 234 is continuously rotated to an initial position (as shown in fig. 6), the key can be pulled out, and a non-standing person at the side of a platform can not open the platform end door at the moment; when the key is inserted after the key is turned in the opposite direction and turned to a certain angle, the lock tongue 234 can be locked into the notch 2312, and during the turning process, the lock tongue 234 pushes the second lock rod 2315 to move upwards and engage with the other permanent magnet 232, so that the blocking portion 2311 moves downwards and is far away from the hook 2221 (as shown in fig. 8), and at this time, a person standing on the platform side can turn the handle 21 to open the end door.
In any emergency situation, the push rod 31 can be pushed to rotate by external force, the push rod 31 drives the third connecting shaft 322 to rotate, so that the deflector rod 323 sleeved on the third connecting shaft 322 rotates, the second stop block 324 is driven to move upwards by the cooperation of the clamping post of the deflector rod 323 and the clamping groove 3241 of the second stop block 324, the lower pull rod 12 is driven to move upwards, the upper pull rod 11 is driven to move downwards by the cooperation of the rotary connecting piece 13, the first connecting shifting fork 15 and the second connecting shifting fork 16, the upper pull rod 11 and the lower pull rod 12 are separated from the lock hole, unlocking is achieved, the end door is opened, the handle 21 of the safety door lock is in an unlocking state at the moment, and the lower pull rod 12 and the like can be restored to the original position under the action of the spring force of the return spring 325 due to the fact that the return spring 325 is connected between the connecting block 326 of the second stop block 324 and the lower pull rod 12.
It will be appreciated that in some other embodiments, the pull rod assembly may comprise only one pull rod, the top/bottom end of the pull rod cooperates with a lock hole to lock, and the first unlocking assembly and the second unlocking assembly are both connected to the pull rod to drive the pull rod to move away from the lock hole when the handle rotates/the push rod rotates, i.e. through an integral pull rod, the pull rod cooperates with the lock hole at the top or bottom end of the pull rod to lock and unlock.
In summary, the safety door lock disclosed by the utility model is provided with the handle lock capable of unlocking at the platform side and the push rod lock capable of unlocking at the track side, and the unlocking linkage of the platform side and the track side under an emergency condition can be realized through the cooperation of the handle lock, the push rod lock and the pull rod assembly, so that one lock can meet the requirements of the use of the platform side and the track side under the emergency condition, and the application scene is wider.
The above-mentioned preferred embodiments should be regarded as illustrative examples of embodiments of the present utility model, and all such technical deductions, substitutions, improvements made on the basis of the same, similar or similar embodiments of the present utility model should be regarded as the protection scope of the present patent.

Claims (10)

1. The utility model provides a emergency exit tool to lock, is applied to the door body, its characterized in that includes:
the pull rod assembly is positioned at the side edge of the door body and is used for being matched with a lock hole on the door frame to realize locking;
The handle lock comprises a handle and a first unlocking component, the first unlocking component is connected with the pull rod component, the handle is positioned on the outer side of the door body and penetrates through the door body to be connected with the first unlocking component, so that the first unlocking component is driven to move when the handle rotates, and the pull rod component moves in a direction away from the lock hole;
The push rod lock is located at the side of the track and comprises a push rod and a second unlocking component, the second unlocking component is connected with the pull rod component, and the push rod is connected with the second unlocking component so as to drive the second unlocking component to move when the push rod rotates, so that the pull rod component moves in a direction away from the lock hole.
2. The emergency gate lock of claim 1, wherein the first unlocking assembly includes a first connection shaft, a handle link, a handle fork and a handle stopper, wherein the handle stopper is fixed to the pull rod assembly, the handle is connected to the first connection shaft, the handle link is sleeved on the first connection shaft, one end of the handle link is connected to the handle fork, and the handle fork is located at one side of the handle stopper and abuts against the handle stopper to move upward/downward when the handle rotates, so that the pull rod assembly is driven to move away from the lock hole by the handle stopper.
3. The safety door lock according to claim 2, wherein the handle lock further comprises a second housing and a first locking assembly, the second housing is mounted on the door panel, one side of the second housing penetrates through the door panel and is located at the track side, the first locking assembly comprises a locking piece, two permanent magnets, a lock cylinder and a lock tongue, wherein the first locking assembly and the first unlocking assembly are located at one side of the second housing located at the track side, a second connecting shaft is further fixed on the second housing, the second connecting shaft is located above the lock cylinder and below the first connecting shaft, the locking piece is sleeved on the second connecting shaft, one side of the locking piece is provided with a blocking portion, the two permanent magnets are respectively fixed at two sides of the second connecting shaft and can be sucked with the locking piece, and the lock tongue is connected with the lock cylinder, so that one side of the locking piece located above the lock tongue is sucked on one permanent magnet when the lock tongue rotates, and the blocking portion is close to the handle or far from the handle.
4. The emergency exit tool to lock of claim 3, wherein, the latch fitting includes the loop bar, respectively from loop bar both sides outwards buckle down first locking lever and second locking lever that forms, the loop bar cover is located on the second connecting axle, be provided with respectively on first locking lever and the second locking lever be used for with the magnet of permanent magnet actuation, the blocking part forms in first locking lever terminal, just be formed with a breach that supplies the spring bolt card to go into between the lower tip of first locking lever, loop bar and the second locking lever.
5. The door lock of claim 4, wherein the handle is embedded in the second housing and is mounted on one side of the door panel, a hook is formed by extending downwards one side of the handle connecting rod close to the blocking portion, the blocking portion is wedge-shaped, so as to cooperate with the hook to block the rotation of the handle connecting rod when the first lock rod is attracted to the permanent magnet, a reset torsion spring is further sleeved on the first connecting shaft, one end of the reset torsion spring is connected with the handle connecting rod, and the other end of the reset torsion spring is fixed on the second housing.
6. The emergency exit tool to lock of claim 1, wherein the second unblock subassembly includes fixing base, third connecting axle, driving lever and second dog, the second dog is fixed in the pull rod subassembly, the third connecting axle pass through the fixing base connect in door body side, driving lever one end cover is located on the third connecting axle, the other end is formed with a card post, be formed with on the second dog one with card post block slot, the third connecting axle still with the push rod is connected to rotate under the effect of push rod, thereby drive through driving lever and the second dog pull rod subassembly is to the direction removal that is kept away from the lockhole.
7. The emergency exit tool to lock of claim 6 wherein the second unlocking assembly further comprises a connecting block and two return springs, wherein a through notch is formed in the middle of the second stopper, the connecting block is fixed on the pull rod assembly and is located in the notch, the two return springs are sleeved on the pull rod assembly and are located on two sides of the connecting block respectively, one end of each return spring is connected with the connecting block, and the other end of each return spring is fixed on the pull rod assembly.
8. The emergency gate lock of claim 6, wherein the second stop includes a block and a second connecting rod extending outwardly from a side of the block, the block being secured to the pull rod assembly, the slot being formed at an end of the second connecting rod.
9. The emergency exit tool to lock of claim 1, wherein a connection frame is provided on the side of the door body, the upper and lower ends of the pull rod assembly are all locked with the lock hole, the pull rod assembly includes an upper pull rod disposed on the connection frame, a rotary connecting piece and a lower pull rod disposed below the upper pull rod, the rotary connecting piece is disposed on the connection frame through a fourth connecting shaft, and the rotary connecting piece can rotate around the fourth connecting shaft, two ends of the rotary connecting piece are both provided with hooks, the bottom end of the upper pull rod and the top end of the lower pull rod are respectively provided with a first connection fork and a second connection fork, the first connection fork and the second connection fork are respectively hooked on a hook, the first unlocking assembly and the second unlocking assembly are connected with the lower pull rod/the upper pull rod, so as to drive the lower pull rod to move upwards and the upper pull rod to move downwards and drive the lower pull rod to move upwards, so that the bottom end of the lower pull rod and the upper top end of the lower pull rod are separated from the lock hole.
10. The emergency exit lock of claim 1 wherein a connecting frame is provided on the side of the door body, the pull rod assembly includes a pull rod disposed on the connecting frame, the top/bottom end of the pull rod cooperates with a lock hole to lock, and the first unlocking assembly and the second unlocking assembly are connected to the pull rod to drive the pull rod to move away from the lock hole when the handle rotates/the push rod rotates.
CN202420017706.8U 2024-01-02 2024-01-02 Safety door lock Active CN221973232U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202420017706.8U CN221973232U (en) 2024-01-02 2024-01-02 Safety door lock

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202420017706.8U CN221973232U (en) 2024-01-02 2024-01-02 Safety door lock

Publications (1)

Publication Number Publication Date
CN221973232U true CN221973232U (en) 2024-11-08

Family

ID=93331939

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202420017706.8U Active CN221973232U (en) 2024-01-02 2024-01-02 Safety door lock

Country Status (1)

Country Link
CN (1) CN221973232U (en)

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