CN110821294B - Fireproof safety lock - Google Patents

Fireproof safety lock Download PDF

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Publication number
CN110821294B
CN110821294B CN201911177031.3A CN201911177031A CN110821294B CN 110821294 B CN110821294 B CN 110821294B CN 201911177031 A CN201911177031 A CN 201911177031A CN 110821294 B CN110821294 B CN 110821294B
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CN
China
Prior art keywords
cavity
friction wheel
shaft
fixedly connected
rotating
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Active
Application number
CN201911177031.3A
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Chinese (zh)
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CN110821294A (en
Inventor
刘华
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Zhejiang Leen Engineering Design Consulting Co Ltd
Original Assignee
浙江利恩工程设计咨询有限公司
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by 浙江利恩工程设计咨询有限公司 filed Critical 浙江利恩工程设计咨询有限公司
Priority to CN201911177031.3A priority Critical patent/CN110821294B/en
Publication of CN110821294A publication Critical patent/CN110821294A/en
Priority to JP2020050377A priority patent/JP2021085321A/en
Application granted granted Critical
Publication of CN110821294B publication Critical patent/CN110821294B/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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    • E—FIXED CONSTRUCTIONS
    • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05B—LOCKS; ACCESSORIES THEREFOR; HANDCUFFS
    • E05B47/00—Operating or controlling locks or other fastening devices by electric or magnetic means
    • E05B47/0001—Operating or controlling locks or other fastening devices by electric or magnetic means with electric actuators; Constructional features thereof
    • E05B47/0012—Operating or controlling locks or other fastening devices by electric or magnetic means with electric actuators; Constructional features thereof with rotary electromotors
    • E—FIXED CONSTRUCTIONS
    • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05B—LOCKS; ACCESSORIES THEREFOR; HANDCUFFS
    • E05B15/00—Other details of locks; Parts for engagement by bolts of fastening devices
    • E—FIXED CONSTRUCTIONS
    • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05B—LOCKS; ACCESSORIES THEREFOR; HANDCUFFS
    • E05B15/00—Other details of locks; Parts for engagement by bolts of fastening devices
    • E05B15/0013—Followers; Bearings therefor
    • E—FIXED CONSTRUCTIONS
    • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05B—LOCKS; ACCESSORIES THEREFOR; HANDCUFFS
    • E05B47/00—Operating or controlling locks or other fastening devices by electric or magnetic means
    • E05B47/0001—Operating or controlling locks or other fastening devices by electric or magnetic means with electric actuators; Constructional features thereof
    • E—FIXED CONSTRUCTIONS
    • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05B—LOCKS; ACCESSORIES THEREFOR; HANDCUFFS
    • E05B65/00—Locks or fastenings for special use
    • E05B65/10—Locks or fastenings for special use for panic or emergency doors
    • E05B65/1086—Locks with panic function, e.g. allowing opening from the inside without a ley even when locked from the outside
    • E—FIXED CONSTRUCTIONS
    • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05B—LOCKS; ACCESSORIES THEREFOR; HANDCUFFS
    • E05B9/00—Lock casings or latch-mechanism casings ; Fastening locks or fasteners or parts thereof to the wing
    • E05B9/002—Faceplates or front plates
    • E—FIXED CONSTRUCTIONS
    • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05B—LOCKS; ACCESSORIES THEREFOR; HANDCUFFS
    • E05B47/00—Operating or controlling locks or other fastening devices by electric or magnetic means
    • E05B47/0001—Operating or controlling locks or other fastening devices by electric or magnetic means with electric actuators; Constructional features thereof
    • E05B2047/0014—Constructional features of actuators or power transmissions therefor
    • E05B2047/0018—Details of actuator transmissions
    • E05B2047/002—Geared transmissions

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Business, Economics & Management (AREA)
  • Emergency Management (AREA)
  • Special Wing (AREA)

Abstract

A fire-proof safety lock; the device mainly comprises a shell, sensors capable of sensing whether fire occurs are arranged in the lower end walls of the left side and the right side of the shell, a working mechanism capable of unlocking normally is arranged in the shell, a driving mechanism for switching the door opening mode during fire is arranged on the lower side of the working mechanism, and an emergency door opening mechanism for opening the door in the fire state is arranged on the right side of the emergency door opening mechanism.

Description

Fireproof safety lock
Technical Field
The invention relates to the field of doors and windows, in particular to a fireproof safety lock.
Background
At present, because people live higher and higher, rescue or self rescue when the conflagration takes place are more important, so need a fire prevention safety lock, the existing safety lock often structure is complicated at present, and it is very difficult to its installation, and most fire prevention safety locks can not make people open the lock rapidly and flee in the initial stage takes place for a fire, also can not make the rescue personnel convenient and fast open the door, have a lot of not enoughly.
Disclosure of Invention
Aiming at the technical defects, the invention provides the fireproof safety lock which can overcome the defects.
The invention relates to a fireproof safety lock.
Preferably, the fireproof safety lock mechanical structure chart mainly comprises a casing, sensors capable of sensing whether fire occurs or not are arranged in lower end walls on the left side and the right side of the casing, a working mechanism capable of normally unlocking the door is arranged in the casing, a driving mechanism for switching a door opening mode during fire is arranged on the lower side of the working mechanism, an emergency door opening mechanism for opening the door in a fire state is arranged on the right side of the working mechanism, the driving mechanism comprises a driving cavity arranged in the casing, a driving motor is fixedly connected to the front end wall of the driving cavity, the driving motor is in power connection with a driving shaft, the driving shaft is fixedly connected with a driving friction wheel, the front end wall of the driving cavity is in rotating connection with a first friction wheel shaft, the front end of the first friction wheel shaft is fixedly connected with a first friction wheel meshed with the driving friction wheel, and the, a second friction wheel shaft is rotatably connected to the front end wall of the driving cavity, a second friction wheel meshed with the driving friction wheel is fixedly connected to the front end of the second friction wheel shaft, a third driven shaft is rotatably connected to the front end wall of the driving cavity, a third friction wheel meshed with the driving friction wheel is fixedly connected to the front end of the third driven shaft, a reset cavity is arranged in the left end wall of the driving cavity, a reset plate is slidably connected in the reset cavity, two reset springs connected with the right end surface of the reset plate and the right end wall of the reset cavity are arranged in the reset cavity, a sliding rack meshed with the matched gear and fixedly connected with the left end surface of the reset plate is slidably connected in the driving cavity, a pressing cavity is arranged in the casing, a pressing block is slidably connected in the pressing cavity, a moving rack is fixedly connected to the right end surface of the pressing block, and a lifting cavity is arranged in, the lift intracavity is equipped with the barrier plate, the lift intracavity is equipped with the connection under the barrier plate terminal surface with the lift spring of end wall under the lift chamber, terminal surface fixedly connected with other end under the barrier plate with second friction wheel shaft upper end fixed connection's haulage rope, be equipped with the removal chamber in the casing, remove intracavity sliding connection and press the clamp plate, press left end face fixedly connected with removal rack of clamp plate, it stops the chamber to be equipped with in the end wall under the removal chamber, it is equipped with the piece that blocks to block the intracavity, it is equipped with the connection to block the intracavity block under the piece terminal surface with block the spring that blocks of end wall under the chamber, block under the piece terminal surface fixedly connected with the other end with third driven shaft upper end fixed connection's connection rope.
Preferably, the working mechanism comprises a rotating cavity arranged in the casing, the rotating cavity is rotatably connected with a rotating column, a key hole is arranged in the rotating column, a transmission cavity is arranged in the right end wall of the rotating cavity, the right end wall of the rotating column is fixedly connected with a rotating shaft, the right end of the rotating shaft is rotatably connected with the right end wall of the transmission cavity, a transmission gear is fixedly connected with the right end of the rotating shaft, a rotating cavity is arranged in the right end wall of the transmission cavity, the left end wall of the transmission cavity is rotatably connected with a driving shaft, the right end of the driving shaft is slidably connected with a movable friction wheel which can be engaged with the transmission gear, a movable friction wheel cavity is arranged in the movable friction wheel, an arc-shaped block is slidably connected in the movable friction wheel cavity, the right end face of the arc-shaped block is fixedly connected with a connecting, the improved ejection mechanism is characterized in that a working cavity is arranged in the wall of the right end of the rotary cavity, a winding cavity is arranged in the wall of the right end of the working cavity, the wall of the left end of the rotary cavity is rotatably connected with the right end located on a working shaft in the winding cavity, the left end of the working shaft is fixedly connected with a transmission gear meshed with the rotary gear, a translation rack is slidably connected in the working cavity, a storage cavity is arranged in the wall of the front end of the working cavity, the storage cavity is slidably connected with an ejection plate fixedly connected with the translation rack, and two lock posts are arranged on the front side of.
Preferably, the emergency door opening mechanism comprises a reversing cavity arranged in the casing, the front end wall of the reversing cavity is rotatably connected with a moving shaft, the rear end of the moving shaft is fixedly connected with a winding gear meshed with the moving rack, the front end of the moving shaft is fixedly connected with a rotating bevel gear, the right end face of the transmission cavity is rotatably connected with a rotating friction wheel shaft, the left end of the rotating friction wheel shaft is positioned in the reversing cavity, the right end of the rotating friction wheel shaft is fixedly connected with a rotating friction wheel capable of being meshed with the moving friction wheel, the left end of the rotating friction wheel shaft is fixedly connected with a rotating bevel gear meshed with the rotating bevel gear, the casing is internally provided with a translation cavity, the front end wall of the translation cavity is rotatably connected with a rotating shaft, the rear end of the rotating shaft is fixedly connected with a rotating gear meshed with the moving rack, the front end of the rotating shaft is fixedly connected with, the right end of the transmission shaft is fixedly connected with a reversing bevel gear meshed with the arc-shaped block, and the left end of the transmission shaft is fixedly connected with a power gear meshed with the translation rack.
Preferably, the moving friction wheel is disengaged from the transmission gear when moving to the rightmost side and is engaged with the rotating friction wheel.
Preferably, the sensor is electrically connected to the drive motor, and the sensor can turn the drive motor on and off.
In conclusion, the device is simple in structure, can be normally used at ordinary times, and can rapidly switch the unlocking mode when a fire disaster happens, so that the door can be rapidly opened no matter people in a house carry out self rescue or people outside the house carry out rescue, and the safety is high.
Drawings
In order to more clearly illustrate the embodiments of the invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the invention, and it is obvious for those skilled in the art that other drawings can be obtained based on these drawings without creative efforts.
FIG. 1 is a schematic view of a fire safety lock according to the present invention;
FIG. 2 is an enlarged view of the structure A-A in FIG. 1 according to an embodiment of the present invention;
FIG. 3 is an enlarged schematic view of the structure B-B in FIG. 1 according to an embodiment of the present invention;
FIG. 4 is an enlarged view of the structure C-C shown in FIG. 1 according to an embodiment of the present invention.
Detailed Description
All of the features disclosed in this specification, or all of the steps in any method or process so disclosed, may be combined in any combination, except combinations of features and/or steps that are mutually exclusive.
The invention will now be described in detail with reference to fig. 1-4, for convenience of description, the following orientations will now be defined: the up, down, left, right, and front-back directions described below correspond to the up, down, left, right, and front-back directions in the projection relationship of fig. 1 itself.
As shown in fig. 1-4, a fire-proof safety lock mechanical structure of the device of the present invention mainly includes a casing 10, a sensor 46 capable of sensing whether fire occurs is disposed in the lower end wall of the left and right sides of the casing 10, a working mechanism 80 capable of normally unlocking is disposed in the casing 10, a driving mechanism 82 for switching the door opening mode when fire occurs is disposed at the lower side of the working mechanism 80, an emergency door opening mechanism 81 for opening the door in a fire state is disposed at the right side of the working mechanism 80, the driving mechanism 82 includes a driving cavity 52 disposed in the casing 10, a driving motor 70 is fixedly connected to the front end wall of the driving cavity 52, the driving motor 70 is power-connected to a driving shaft 69, the driving shaft 69 is fixedly connected to a driving friction wheel 68, the front end wall of the driving cavity 52 is rotatably connected to a first friction wheel shaft 67, the front end of the first friction wheel shaft 67 is fixedly connected to a first, a matching gear 65 is fixedly connected to the rear end of the first friction wheel shaft 67, a second friction wheel shaft 72 is rotatably connected to the front end wall of the driving cavity 52, a second friction wheel 73 engaged with the driving friction wheel 68 is fixedly connected to the front end of the second friction wheel shaft 72, a third driven shaft 54 is rotatably connected to the front end wall of the driving cavity 52, a third friction wheel 53 engaged with the driving friction wheel 68 is fixedly connected to the front end of the third driven shaft 54, a reset cavity 56 is arranged in the left end wall of the driving cavity 52, a reset plate 58 is slidably connected to the reset cavity 56, two reset springs 57 connecting the right end surface of the reset plate 58 and the right end wall of the reset cavity 56 are arranged in the reset cavity 56, a sliding rack 55 engaged with the matching gear 65 and fixedly connected with the left end surface of the reset plate 58 is slidably connected to the driving cavity 52, and a pressing cavity 15 is arranged in the casing 10, a pressing block 16 is connected in the pressing cavity 15 in a sliding manner, a movable rack 17 is fixedly connected on the right end face of the pressing block 16, a lifting cavity 11 is arranged in the lower end wall of the pressing cavity 15, a blocking plate 14 is arranged in the lifting cavity 11, a lifting spring 12 for connecting the lower end face of the blocking plate 14 with the lower end wall of the lifting cavity 11 is arranged in the lifting cavity 11, a pulling rope 71 with the other end fixedly connected with the upper end of the second friction wheel shaft 72 is fixedly connected on the lower end face of the blocking plate 14, a moving cavity 84 is arranged in the casing 10, a pressing plate 42 is connected in the moving cavity 84 in a sliding manner, a movable rack 43 is fixedly connected on the left end face of the pressing plate 42, a blocking cavity 44 is arranged in the lower end wall of the moving cavity 84, a blocking block 41 is arranged in the blocking cavity 44, and a blocking spring 45 for connecting the lower end face of the, the lower end surface of the stop block 41 is fixedly connected with a connecting rope 47, the other end of which is fixedly connected with the upper end of the third driven shaft 54.
Beneficially, the working mechanism 80 includes a rotating cavity 20 provided in the housing 10, a rotating column 18 is rotationally connected in the rotating cavity 20, a key hole 19 is provided in the rotating column 18, a transmission cavity 23 is provided in a right end wall of the rotating cavity 20, a right end wall of the rotating column 18 is fixedly connected with a rotating shaft 21, a right end of the rotating shaft 21 is rotationally connected with a right end wall of the transmission cavity 23, a transmission gear 24 is fixedly connected with a right end of the rotating shaft 21, a rotating cavity 28 is provided in a right end wall of the transmission cavity 23, a left end wall of the transmission cavity 23 is rotationally connected with a driving shaft 26, a right end of the driving shaft 26 is located in the rotating cavity 28, a movable friction wheel 22 capable of being engaged with the transmission gear 24 is slidably connected with a left end of the driving shaft 26, a movable friction wheel cavity 25 is provided in the movable friction wheel 22, an arc block 85 is slidably connected in the movable friction wheel, drive shaft 26 right-hand member fixedly connected with rotating gear 30, be equipped with working chamber 32 in the wall of rotating chamber 28 right-hand member, be equipped with in the wall of working chamber 32 right-hand member and revolve around chamber 35, the wall of rotating chamber 28 left end rotates and is connected with the right-hand member and is located revolve around the working shaft 31 in the chamber 35, working shaft 31 left end fixedly connected with rotating gear 30 meshed drive gear 29, sliding connection has translation rack 34 in the working chamber 32, be equipped with in the wall of working chamber 32 front end and accomodate chamber 77, accomodate in the chamber 77 sliding connection with translation rack 34 fixed connection's liftout plate 78, liftout plate 78 front side is equipped with two lock posts 79.
Advantageously, the emergency door opening mechanism 81 includes a reversing cavity 61 provided in the housing 10, a moving shaft 63 is rotatably connected to a front end wall of the reversing cavity 61, a winding gear 83 engaged with the moving rack 17 is fixedly connected to a rear end of the moving shaft 63, a rotating bevel gear 64 is fixedly connected to a front end of the moving shaft 63, a rotating friction wheel shaft 60 with a left end positioned in the reversing cavity 61 is rotatably connected to a right end face of the transmission cavity 23, a rotating friction wheel 59 capable of being engaged with the moving friction wheel 22 is fixedly connected to a right end of the rotating friction wheel shaft 60, a rotating bevel gear 62 engaged with the rotating bevel gear 64 is fixedly connected to a left end of the rotating friction wheel shaft 60, a translation cavity 38 is provided in the housing 10, a rotating shaft 40 is rotatably connected to a front end wall of the translation cavity 38, a rotating gear 39 engaged with the moving rack 43 is fixedly connected to a rear end of the rotating, the front end of the rotating shaft 40 is fixedly connected with an arc-shaped block 85, the left end face of the working cavity 32 is rotatably connected with a transmission shaft 49 with the right end positioned in the translation cavity 38, the right end of the transmission shaft 49 is fixedly connected with a reversing bevel gear 48 meshed with the arc-shaped block 85, and the left end of the transmission shaft 49 is fixedly connected with a power gear 51 meshed with the translation rack 34.
Advantageously, the mobile friction wheel 22 moves to the extreme right out of engagement with the transmission gear 24, engaging the rotating friction wheel 59.
Advantageously, the sensor 46 is electrically connected to the drive motor 70, and the sensor 46 can activate and deactivate the drive motor 70.
The applicant will now specifically describe a fire safety lock according to the present application with reference to the accompanying figures 1 to 4 and the description above:
in the initial state, the lifting spring 12, the traction rope 71, the connecting rope 47 and the blocking spring 45 are in a tensioned state, and the return spring 57 is in a relaxed state;
when the lock is normally used, a key is inserted into the key hole 19 to drive the rotating column 18 to rotate, so that the rotating shaft 21 is driven to rotate, the transmission gear 24 is driven to rotate, the movable friction wheel 22 is driven to rotate, the driving shaft 26 is driven to rotate, the rotating gear 30 is driven to rotate, the transmission gear 29 is driven to rotate, the working shaft 31 is driven to rotate, the working gear 33 is driven to rotate, locking or unlocking is achieved, and the handle 37 is rotated to drive the rotating shaft 36 to rotate, so that the working shaft 31 is driven to rotate, so that the working gear 33 is driven to rotate, and locking or unlocking is achieved;
in case of fire, the sensor 46 detects a signal, the driving motor 70 is started to drive the driving shaft 69 to rotate, so as to drive the driving friction wheel 68 to rotate, so as to drive the first friction wheel shaft 67 to rotate, so as to drive the first friction wheel 66 to rotate, so as to drive the sliding rack 55 to move rightwards, so as to drive the reset plate 58 to move rightwards and stretch the reset spring 57, so as to drive the connecting rod 27 to move rightwards, so as to drive the moving friction wheel 22 to move rightwards, so that the moving friction wheel 22 is disengaged from the transmission gear 24 and engaged with the rotating friction wheel 59, and simultaneously, the driving friction wheel 68 rotates to drive the second friction wheel 73 to rotate, so as to drive the second friction wheel shaft 72 to rotate to wind the traction rope 71, so as to draw the blocking plate 14 to move downwards and compress the lifting spring 12, so as to expose the pressing block 16, the driving friction wheel 68 rotates to drive the third friction wheel 53, thereby pulling the stopper 41 to move downward and compressing the stopper spring 45, thereby exposing the pressing plate 42;
the pressing block 16 is pressed to push the moving rack 17 to move for rescue outdoors, thereby driving the winding gear 83 to rotate, thereby driving the moving shaft 63 to rotate, thereby driving the rotating bevel gear 64 to rotate, thereby driving the rotating bevel gear 62 to rotate, thereby driving the rotating friction wheel shaft 60 to rotate, thereby driving the rotating friction wheel 59 to rotate, thereby driving the moving friction wheel 22 to rotate, thereby driving the driving shaft 26 to rotate, thereby driving the rotating gear 30 to rotate, thereby driving the transmission gear 29 to rotate, thereby driving the working shaft 31 to rotate, thereby driving the working gear 33 to rotate, thereby opening the door, the person indoors needs to go out to press the pressing plate 42 to push the moving rack 43 to move, thereby driving the rotating gear 39 to rotate, thereby driving the rotating shaft 40 to rotate, thereby driving the arc-shaped block 85 to rotate, thereby driving the reversing bevel gear 48 to rotate, thereby driving the transmission shaft 49 to rotate, thereby rotating the power gear 51 to open the door.
The above description is only an embodiment of the invention, but the scope of the invention is not limited thereto, and any changes or substitutions that are not thought of through the inventive work should be included in the scope of the invention. Therefore, the protection scope of the invention should be subject to the protection scope defined by the claims.

Claims (5)

1. A fire prevention safety lock, includes the casing, its characterized in that: the fire door opening device is characterized in that sensors capable of sensing whether fire occurs or not are arranged in the lower end walls of the left side and the right side of the shell, a working mechanism capable of normally unlocking is arranged in the shell, a driving mechanism for switching a door opening mode during fire is arranged on the lower side of the working mechanism, an emergency door opening mechanism for opening a door in a fire state is arranged on the right side of the working mechanism, the driving mechanism comprises a driving cavity arranged in the shell, a driving motor is fixedly connected to the front end wall of the driving cavity, the driving motor is in power connection with a driving shaft, the driving shaft is fixedly connected with a driving friction wheel, the front end wall of the driving cavity is rotatably connected with a first friction wheel shaft, the front end of the first friction wheel shaft is fixedly connected with a first friction wheel meshed with the driving friction wheel, the rear end of the first friction, the front end of the second friction wheel shaft is fixedly connected with a second friction wheel meshed with the driving friction wheel, the front end wall of the driving cavity is rotatably connected with a third driven shaft, the front end of the third driven shaft is fixedly connected with a third friction wheel meshed with the driving friction wheel, a reset cavity is arranged in the left end wall of the driving cavity, a reset plate is slidably connected in the reset cavity, two reset springs connected with the right end surface of the reset plate and the right end wall of the reset cavity are arranged in the reset cavity, a sliding rack meshed with the matching gear and fixedly connected with the left end surface of the reset plate is slidably connected in the driving cavity, a pressing cavity is arranged in the casing, a pressing block is slidably connected in the pressing cavity, a moving rack is fixedly connected with the right end surface of the pressing block, a lifting cavity is arranged in the lower end wall of the pressing cavity, and a barrier plate is, the lifting cavity is internally provided with a lifting spring which is connected with the lower end face of the barrier plate and the lower end wall of the lifting cavity, the other end of the lower end face of the barrier plate is fixedly connected with a traction rope fixedly connected with the upper end of a second friction wheel shaft, the shell is internally provided with a movable cavity, the movable cavity is internally provided with a press plate in a sliding connection manner, the left end face of the press plate is fixedly connected with a movable rack, the lower end wall of the movable cavity is internally provided with a blocking cavity, the blocking cavity is internally provided with a blocking block, the blocking cavity is internally provided with a blocking spring which is connected with the lower end face of the blocking block and the lower end wall of the blocking cavity, and the other end of the lower.
2. A fire safety lock according to claim 1, wherein: the working mechanism comprises a rotating cavity arranged in a casing, a rotating column is rotatably connected in the rotating cavity, a key hole is arranged in the rotating column, a transmission cavity is arranged in the right end wall of the rotating cavity, the right end wall of the rotating column is fixedly connected with a rotating shaft, the right end of the rotating shaft is rotatably connected with the right end wall of the transmission cavity, a transmission gear is fixedly connected with the right end of the rotating shaft, a rotating cavity is arranged in the right end wall of the transmission cavity, the left end wall of the transmission cavity is rotatably connected with a driving shaft, the right end of the driving shaft is positioned in the rotating cavity, a movable friction wheel which can be meshed with the transmission gear is slidably connected with the left end of the driving shaft, a movable friction wheel cavity is arranged in the movable friction wheel, an arc-shaped block is slidably connected in the movable friction wheel cavity, the, the improved ejection mechanism is characterized in that a working cavity is arranged in the wall of the right end of the rotary cavity, a winding cavity is arranged in the wall of the right end of the working cavity, the wall of the left end of the rotary cavity is rotatably connected with the right end located on a working shaft in the winding cavity, the left end of the working shaft is fixedly connected with a transmission gear meshed with the rotary gear, a translation rack is slidably connected in the working cavity, a storage cavity is arranged in the wall of the front end of the working cavity, the storage cavity is slidably connected with an ejection plate fixedly connected with the translation rack, and two lock posts are arranged on the front side of.
3. A fire safety lock according to claim 2, wherein: the emergency door opening mechanism comprises a reversing cavity arranged in the casing, the front end wall of the reversing cavity is rotatably connected with a moving shaft, the rear end of the moving shaft is fixedly connected with a winding gear meshed with the moving rack, the front end of the moving shaft is fixedly connected with a rotating bevel gear, the right end face of the transmission cavity is rotatably connected with a rotating friction wheel shaft, the left end of the rotating friction wheel shaft is positioned in the reversing cavity, the right end of the rotating friction wheel shaft is fixedly connected with a rotating friction wheel capable of being meshed with the moving friction wheel, the left end of the rotating friction wheel shaft is fixedly connected with a rotating bevel gear meshed with the rotating bevel gear, the casing is internally provided with a translation cavity, the front end wall of the translation cavity is rotatably connected with a rotating shaft, the rear end of the rotating shaft is fixedly connected with a rotating gear meshed with the moving rack, the front end of the rotating shaft is fixedly connected, the right end of the transmission shaft is fixedly connected with a reversing bevel gear meshed with the arc-shaped block, and the left end of the transmission shaft is fixedly connected with a power gear meshed with the translation rack.
4. A fire safety lock according to claim 3, wherein: when the movable friction wheel moves to the rightmost side, the movable friction wheel is disengaged from the transmission gear and is engaged with the rotary friction wheel.
5. A fire safety lock according to claim 2, wherein: the sensor is electrically connected with the driving motor, and the sensor can start and stop the driving motor.
CN201911177031.3A 2019-11-26 2019-11-26 Fireproof safety lock Active CN110821294B (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
CN201911177031.3A CN110821294B (en) 2019-11-26 2019-11-26 Fireproof safety lock
JP2020050377A JP2021085321A (en) 2019-11-26 2020-03-20 Fireproof safety lock

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201911177031.3A CN110821294B (en) 2019-11-26 2019-11-26 Fireproof safety lock

Publications (2)

Publication Number Publication Date
CN110821294A CN110821294A (en) 2020-02-21
CN110821294B true CN110821294B (en) 2020-07-24

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Family Applications (1)

Application Number Title Priority Date Filing Date
CN201911177031.3A Active CN110821294B (en) 2019-11-26 2019-11-26 Fireproof safety lock

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JP (1) JP2021085321A (en)
CN (1) CN110821294B (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN115430083B (en) * 2022-09-15 2023-05-05 中集安防科技有限公司 Modularized intelligent fire-fighting emergency rescue station

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100341118B1 (en) * 1999-08-28 2002-06-20 이성권 Digital sub door lock
JP2003293631A (en) * 2002-04-01 2003-10-15 Aimekku:Kk Entrance door for entry with or without key
CN108915481A (en) * 2018-08-21 2018-11-30 俞岳田 A kind of door opener
CN109098578A (en) * 2018-08-28 2018-12-28 汪贤荣 A kind of safe hinges of door and window
CN109296266A (en) * 2018-09-20 2019-02-01 马亚丽 A kind of door locking mechanism
CN109184359A (en) * 2018-10-10 2019-01-11 乐康 A kind of door locking mechanism

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CN110821294A (en) 2020-02-21
JP2021085321A (en) 2021-06-03

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