CN112302501A - Fireproof door capable of being opened quickly - Google Patents

Fireproof door capable of being opened quickly Download PDF

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Publication number
CN112302501A
CN112302501A CN202011176185.3A CN202011176185A CN112302501A CN 112302501 A CN112302501 A CN 112302501A CN 202011176185 A CN202011176185 A CN 202011176185A CN 112302501 A CN112302501 A CN 112302501A
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CN
China
Prior art keywords
door
lock body
handle
lock
fire
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.)
Granted
Application number
CN202011176185.3A
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Chinese (zh)
Other versions
CN112302501B (en
Inventor
钟平
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 Zhenyuan Security Technology Co ltd
Original Assignee
Zhejiang Zhenyuan Security Technology Co ltd
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 Zhejiang Zhenyuan Security Technology Co ltd filed Critical Zhejiang Zhenyuan Security Technology Co ltd
Priority to CN202011176185.3A priority Critical patent/CN112302501B/en
Publication of CN112302501A publication Critical patent/CN112302501A/en
Application granted granted Critical
Publication of CN112302501B publication Critical patent/CN112302501B/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • E—FIXED CONSTRUCTIONS
    • E06—DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL; LADDERS
    • E06B—FIXED OR MOVABLE CLOSURES FOR OPENINGS IN BUILDINGS, VEHICLES, FENCES OR LIKE ENCLOSURES IN GENERAL, e.g. DOORS, WINDOWS, BLINDS, GATES
    • E06B5/00—Doors, windows, or like closures for special purposes; Border constructions therefor
    • E06B5/10—Doors, windows, or like closures for special purposes; Border constructions therefor for protection against air-raid or other war-like action; for other protective purposes
    • E06B5/16—Fireproof doors or similar closures; Adaptations of fixed constructions therefor
    • 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
    • E05B15/04—Spring arrangements in locks
    • E—FIXED CONSTRUCTIONS
    • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05B—LOCKS; ACCESSORIES THEREFOR; HANDCUFFS
    • E05B15/00—Other details of locks; Parts for engagement by bolts of fastening devices
    • E05B15/10—Bolts of locks or night latches
    • 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
    • E—FIXED CONSTRUCTIONS
    • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05B—LOCKS; ACCESSORIES THEREFOR; HANDCUFFS
    • E05B3/00—Fastening knobs or handles to lock or latch parts
    • E—FIXED CONSTRUCTIONS
    • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05B—LOCKS; ACCESSORIES THEREFOR; HANDCUFFS
    • E05B63/00—Locks or fastenings with special structural characteristics
    • E05B63/14—Arrangement of several locks or locks with several bolts, e.g. arranged one behind the other
    • E05B63/146—Arrangement of several locks or locks with several bolts, e.g. arranged one behind the other locks with two or more bolts, each bolt itself being a tumbler
    • E—FIXED CONSTRUCTIONS
    • E06—DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL; LADDERS
    • E06B—FIXED OR MOVABLE CLOSURES FOR OPENINGS IN BUILDINGS, VEHICLES, FENCES OR LIKE ENCLOSURES IN GENERAL, e.g. DOORS, WINDOWS, BLINDS, GATES
    • E06B3/00—Window sashes, door leaves, or like elements for closing wall or like openings; Layout of fixed or moving closures, e.g. windows in wall or like openings; Features of rigidly-mounted outer frames relating to the mounting of wing frames
    • E06B3/32—Arrangements of wings characterised by the manner of movement; Arrangements of movable wings in openings; Features of wings or frames relating solely to the manner of movement of the wing
    • E06B3/34—Arrangements of wings characterised by the manner of movement; Arrangements of movable wings in openings; Features of wings or frames relating solely to the manner of movement of the wing with only one kind of movement
    • E06B3/36—Arrangements of wings characterised by the manner of movement; Arrangements of movable wings in openings; Features of wings or frames relating solely to the manner of movement of the wing with only one kind of movement with a single vertical axis of rotation at one side of the opening, or swinging through the opening
    • E06B3/362—Double winged doors or windows
    • 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
    • E05B15/04—Spring arrangements in locks
    • E05B2015/0448—Units of springs; Two or more springs working together

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  • Engineering & Computer Science (AREA)
  • Structural Engineering (AREA)
  • Civil Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Special Wing (AREA)

Abstract

The invention discloses a quick-opening fireproof door, which comprises a door plate (1), wherein a fireproof door lock is arranged on the door plate (1), the fireproof door lock comprises a lock body (2), an oblique tongue (3) is arranged on the lock body (2), a middle rod (4) is connected to the middle part of the oblique tongue (3), one end of the oblique tongue (3) is connected with a first elastic part (5), a rotating door handle (6) is connected to the outer part of the oblique tongue (3), one end of the rotating door handle (6) extends to the outer side of the lock body (2) and is provided with a handle, a push plate (7) is arranged on the rotating door handle (6) on the outer side of the lock body (2), the push plate (7) is connected to the lock body (2) in a sliding mode through a transmission rod (8), a second elastic part (9) is arranged between the push plate (7) and the lock body. The invention has the characteristics of good opening and closing stability and high safety.

Description

Fireproof door capable of being opened quickly
Technical Field
The invention relates to a fireproof door, in particular to a fireproof door capable of being opened quickly.
Background
A fire door is a door having fire-resistant stability, integrity and heat insulation, and is often installed in areas such as evacuation stairs, security channels, and firewalls; when the fire disaster occurs, the fireproof door in the closed state can play a role in preventing the fire from spreading and the smoke from diffusing, and when the escape personnel need to pass through, the fireproof door can be rapidly opened by rotating the door lock. The conventional door lock for the fireproof door consists of a square bolt and an inclined bolt, wherein the square bolt is controlled by a knob and locks the fireproof door, and the inclined bolt is controlled by a door handle to open and close the fireproof door; when the escape personnel open the fireproof door, the knob needs to be rotated firstly to unlock the fireproof door, and then the handle is rotated to open the fireproof door for escape.
However, since the fireproof door is in a closed and unused state for a long time, the operating mechanisms such as the knob and the handle are easily damaged due to long-time placement or collision, and the like, so that the control accuracy of the lock tongue is reduced, the lock tongue cannot be retracted in place after the knob or the handle is rotated, even the linkage part of the lock tongue is completely separated, and the opening and closing stability and the safety of the fireproof door are seriously reduced. In addition, when a fire occurs, the escape personnel are in a dismissal psychological state and the situation of charging and congestion is caused; the door lock is easy to be damaged by violence such as collision of escape personnel once the fireproof door cannot be opened in the first time, so that the linkage stability of the door lock is further damaged, the door lock is completely blocked after being impacted, and the safety escape of the escape personnel is greatly hindered. Therefore, the existing fireproof door has the problems of poor opening and closing stability and low safety.
Disclosure of Invention
The invention aims to provide a fireproof door capable of being opened quickly. It has the characteristics of good opening and closing stability and high safety.
The technical scheme of the invention is as follows: the utility model provides a prevent fire door that opens fast, includes the door plant, is equipped with the fire door lock on the door plant, the fire door lock includes the lock body, is equipped with oblique tongue on the lock body, and the middle part of oblique tongue is connected with the intermediate lever, and oblique tongue one end is connected with first elasticity portion, and oblique tongue external connection has a rotation doorknob, rotates doorknob one end and extends to the lock body outside and be equipped with the handle, be equipped with the push pedal on the rotation doorknob in the lock body outside, push pedal warp drive rod sliding connection is equipped with second elasticity portion on the lock body between push pedal and the lock body, and drive rod one.
In the fire door with a quick opening function, the first elastic part exerts an elastic force on the latch tongue smaller than the first elastic part.
In the fireproof door capable of being opened quickly, the first elastic part is a torsion spring, and the second elastic part is a compression spring.
In the fireproof door capable of being opened quickly, the connecting position of the rotating door handle and the push plate is provided with the cylinder, the end part of the cylinder is in threaded connection with the adjusting sleeve which is located on one side, far away from the handle, of the push plate, and the inner side of the adjusting sleeve is mutually attached to the second elastic part.
In the fireproof door capable of being opened quickly, the end part of the rotating door handle is connected with the shifting fork matched with the latch bolt in a sliding mode, and the two sides of the shifting fork are provided with the limiting blocks located on the lock body.
In the fire door capable of being opened quickly, the top of the door plate is respectively provided with the door closer and the sequencer.
In the fireproof door capable of being opened quickly, the middle rod is L-shaped, the middle of the middle rod is rotatably connected to the lock body, one side of the middle rod is attached to the latch bolt, and the other side of the middle rod is matched with the transmission rod.
In the fireproof door capable of being opened quickly, the square bolt is arranged in the lock body, the knob is connected to the outer portion of the square bolt, the pressing rod is connected to one side of the square bolt, the end portion of the pressing rod penetrates through the lock body and is spaced from the push plate, and the push plate is provided with a concave portion matched with the pressing rod. .
Compared with the prior art, the invention has the following characteristics:
(1) according to the invention, through the matching of the push plate arranged on the rotating door handle, the intermediate rod and the transmission rod, the push plate can apply an inward contraction force to the latch bolt through the transmission rod and the intermediate rod after being stressed and compressed, so that the latch bolt is driven to fold; meanwhile, the transmission rod and the middle rod cannot influence the normal linkage between the rotating door handle and the oblique tongue after being arranged, so that when the rotating door handle is in a normal passing state, an escape person can directly tighten the oblique tongue through the rotating door handle and open the fireproof door; when the linkage stability between the latch bolt and the rotating door handle is reduced, the outward thrust of the escape person holding the rotating door handle to the door plate can be converted into the inward sliding of the push plate against the first elastic part, and the latch bolt can be driven to tighten through the transmission rod and the middle rod after the push plate slides, so that the opening of the fireproof door is realized, and the opening and closing stability and the safety of the fireproof door are effectively improved;
(2) through the matching of the barrel, the adjusting sleeve and the second elastic part, the pressing state of the second elastic part can be adjusted through the adjusting sleeve, so that an installer can adjust the pressure required to be applied by the push plate during pressing, the door plate is prevented from being pushed open directly after being slightly pressed, and the sealing effect of the fireproof door is ensured;
(3) through the pressure lever arranged on the dead bolt, the dead bolt can be driven to be tightened inwards by the push plate after being pressed, so that the problem that the dead bolt cannot be normally tightened due to the reduction of the connection stability between the knob and the dead bolt is avoided, and the opening and closing stability and the safety of the invention are further improved;
under the cooperation, when the fireproof door lock cannot be normally opened in an emergency state, the escape personnel can respectively drive the square bolt and the inclined bolt to tighten through impact on the rotating door handle, and then the fireproof door is opened, so that the fireproof door lock has the characteristics of good opening and closing stability and high safety.
Drawings
FIG. 1 is a schematic structural view of the present invention;
figure 2 is a schematic structural view of the interior of the lock body;
figure 3 is a cross-sectional view of the lock body.
The labels in the figures are: 1-door plate, 2-lock body, 3-oblique bolt, 4-middle rod, 5-first elastic part, 6-rotating door handle, 7-push plate, 8-transmission rod, 9-second elastic part, 10-cylinder, 11-adjusting sleeve, 12-shifting fork, 13-limiting block, 14-door closer, 15-sequencer, 16-square bolt, 17-knob and 18-compression rod.
Detailed Description
The invention is further illustrated by the following figures and examples, which are not to be construed as limiting the invention.
Examples are given. The utility model provides a prevent fire door that opens fast, constitutes as shown in figure 1, including the door plant 1 of flat-open type, be equipped with the fire door lock on the door plant 1, the fire door lock includes lock body 2, is equipped with oblique tongue 3 on the lock body 2, and the middle part of tongue 3 is connected with intermediate lever 4 to one side, and 3 one end of oblique tongue are connected with first elastic part 5, and 3 external connections in the oblique tongue have a rotation door handle 6, rotate door handle 6 one end and extend to the 2 outsides of lock body and be equipped with the handle, be equipped with push pedal 7 on the rotation door handle 6 in the 2 outsides of lock body, push pedal 7 is through 8 sliding connection of drive rod on lock body 2, and the quantity of transfer rod 8 is one or more, is equipped with second elastic part 9 between push pedal.
The first elastic part 5 exerts a smaller elastic force on the latch tongue 3 than the first elastic part 5.
The first elastic part 5 is a torsion spring, and the second elastic part 9 is a compression spring.
The connecting part of the rotating door handle 6 and the push plate 7 is provided with a cylinder body 10, the end part of the cylinder body 10 is in threaded connection with an adjusting sleeve 11 which is positioned on one side of the push plate 7 away from the handle, and the inner side of the adjusting sleeve 11 is mutually attached to the second elastic part 9.
The end part of the rotating door handle 6 is connected with a shifting fork 12 matched with the latch bolt 3 in a sliding way, and two sides of the shifting fork 12 are provided with limiting blocks 13 positioned on the lock body 2.
The top of the door panel 1 is respectively provided with a door closer 14 and a sequencer 15.
The appearance of middle lever 4 is L shape, and the middle part of middle lever 4 rotates and connects on lock body 2, and one side and the latch bolt 3 of middle lever 4 are laminated each other, and the opposite side and the transfer line 8 of middle lever 4 are mutually supported.
The lock body 2 is internally provided with a square bolt 16, the outside of the square bolt 16 is connected with a knob 17, one side of the square bolt 16 is connected with a pressure lever 18, the end part of the pressure lever 18 penetrates through the lock body 2 and is spaced from the push plate 7, and the push plate 7 is provided with a depressed part matched with the pressure lever 18.
The working principle of the invention is as follows: when the invention is in a normal state, the oblique tongue 3 and the square tongue 16 respectively extend into the lock catch plate on the door panel on the other side to realize the locking of the door panel 1. When the evacuee is opened, the turn knob 17 is rotated to withdraw the square tongue 16 and separate from the latch plate, and then the rotating door handle 6 is rotated to withdraw the latch tongue 3 and separate from the latch plate, thereby pushing the fire door outward to open.
When the linkage structure between the latch bolt 3 and the rotating door handle 6 has deviation, the rotating door handle 6 cannot drive the latch bolt 3 to be completely separated from the lock catch plate after rotating; after the escape person presses the rotating door handle 6, the rotating door handle 6 can be pushed outwards subconsciously, the rotating door handle 6 can drive the push plate 7 to move transversely along the direction of the lock body 2 after being pushed, and then the transmission rod 8 extends into the lock body 2 and drives the intermediate rod 4 to rotate. After the middle rod 4 rotates, the oblique tongue 3 is pushed to overcome the pretightening force of the first elastic part 5 and contract inwards, so that the oblique tongue 3 and the lock catch plate are completely separated, and the fireproof door is pushed to be opened.
When the deviation of the linkage structure between the knob 17 and the square tongue 16 causes the square tongue 16 to be incapable of being completely withdrawn, the push plate 7 slides inwards after being pushed, the concave part is buckled with the end part of the press rod 18 in the sliding process, and then the press rod 18 is pressed inwards in a sliding manner, so that the press rod 18 acts anticlockwise after being pressed and drives the square tongue 16 to contract inwards, the square tongue 16 can be completely separated from the lock catch plate along with the pushing of the push plate 7, the locking state of the protective door is released, and the stability of the fireproof door when the fireproof door is opened is ensured.

Claims (8)

1. The utility model provides a prevent fire door that quick opening which characterized in that: including door plant (1), be equipped with the fire door lock on door plant (1), the fire door lock includes lock body (2), is equipped with oblique tongue (3) on lock body (2), and the middle part of oblique tongue (3) is connected with intermediate lever (4), and oblique tongue (3) one end is connected with first elasticity portion (5), and oblique tongue (3) external connection has rotation door handle (6), rotates door handle (6) one end and extends to lock body (2) outside and is equipped with the handle, be equipped with push pedal (7) on rotation door handle (6) in the lock body (2) outside, push pedal (7) are equipped with second elasticity portion (9) between push pedal (7) and lock body (2) through drive rod (8) sliding connection on lock body (2), and drive rod (8) one end extends to lock body (2) inboard.
2. A fire rated door as claimed in claim 1, wherein: the first elastic part (5) exerts an elastic force on the latch tongue (3) which is smaller than the first elastic part (5).
3. A fire rated door as claimed in claim 1, wherein: the first elastic part (5) is a torsion spring, and the second elastic part (9) is a compression spring.
4. A fire rated door as claimed in claim 1, wherein: the connecting part of the rotating door handle (6) and the push plate (7) is provided with a cylinder body (10), the end part of the cylinder body (10) is in threaded connection with an adjusting sleeve (11) which is positioned on one side, far away from the handle, of the push plate (7), and the inner side of the adjusting sleeve (11) is attached to the second elastic part (9).
5. A fire rated door as claimed in claim 1, wherein: the end part of the rotating door handle (6) is connected with a shifting fork (12) matched with the latch bolt (3) in a sliding way, and two sides of the shifting fork (12) are provided with limiting blocks (13) positioned on the lock body (2).
6. A fire rated door as claimed in claim 1, wherein: the top of the door panel (1) is respectively provided with a door closer (14) and a sequencer (15).
7. A fire rated door as claimed in claim 1, wherein: the appearance of intermediate lever (4) is L shape, and the middle part of intermediate lever (4) is rotated and is connected on lock body (2), and one side and latch bolt (3) of intermediate lever (4) are laminated each other, and the opposite side and the transfer line (8) of intermediate lever (4) are mutually supported.
8. A fire rated door as claimed in claim 1, wherein: the lock is characterized in that a square bolt (16) is arranged in the lock body (2), a knob (17) is connected to the outer portion of the square bolt (16), a pressing rod (18) is connected to one side of the square bolt (16), the end portion of the pressing rod (18) penetrates through the lock body (2) and is spaced from the push plate (7), and a concave portion matched with the pressing rod (18) is arranged on the push plate (7).
CN202011176185.3A 2020-10-29 2020-10-29 Fireproof door capable of being opened quickly Active CN112302501B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202011176185.3A CN112302501B (en) 2020-10-29 2020-10-29 Fireproof door capable of being opened quickly

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202011176185.3A CN112302501B (en) 2020-10-29 2020-10-29 Fireproof door capable of being opened quickly

Publications (2)

Publication Number Publication Date
CN112302501A true CN112302501A (en) 2021-02-02
CN112302501B CN112302501B (en) 2022-04-05

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CN202011176185.3A Active CN112302501B (en) 2020-10-29 2020-10-29 Fireproof door capable of being opened quickly

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Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2006045789A (en) * 2004-07-30 2006-02-16 Toto Ltd Push-pull lock with child safety lock device
CN201254897Y (en) * 2008-09-02 2009-06-10 张英华 Novel totally-enclosed fireproofing escape lock
CN202788184U (en) * 2012-07-19 2013-03-13 安徽江淮客车有限公司 Locker for simple door
CN107489310A (en) * 2017-06-21 2017-12-19 台山平安五金制品有限公司 A kind of antitheft door for preventing from closing automatically
CN208749250U (en) * 2018-04-08 2019-04-16 全民认证科技（杭州）有限公司 A kind of non-embedded intelligent door lock
CN110118024A (en) * 2018-02-07 2019-08-13 云丁网络技术(北京)有限公司 A kind of pushing/drawing-back type door lock and its transmission device
CN209482846U (en) * 2018-08-13 2019-10-11 深圳市长恩实业有限公司 A kind of sliding-door lock
CN210798508U (en) * 2019-09-19 2020-06-19 云丁网络技术(北京)有限公司 Door lock and linkage type unlocking mechanism thereof
CN210888427U (en) * 2019-05-17 2020-06-30 深圳市柯尼斯智能科技有限公司 Push-pull type full-automatic intelligent lock

Patent Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2006045789A (en) * 2004-07-30 2006-02-16 Toto Ltd Push-pull lock with child safety lock device
CN201254897Y (en) * 2008-09-02 2009-06-10 张英华 Novel totally-enclosed fireproofing escape lock
CN202788184U (en) * 2012-07-19 2013-03-13 安徽江淮客车有限公司 Locker for simple door
CN107489310A (en) * 2017-06-21 2017-12-19 台山平安五金制品有限公司 A kind of antitheft door for preventing from closing automatically
CN110118024A (en) * 2018-02-07 2019-08-13 云丁网络技术(北京)有限公司 A kind of pushing/drawing-back type door lock and its transmission device
CN208749250U (en) * 2018-04-08 2019-04-16 全民认证科技（杭州）有限公司 A kind of non-embedded intelligent door lock
CN209482846U (en) * 2018-08-13 2019-10-11 深圳市长恩实业有限公司 A kind of sliding-door lock
CN210888427U (en) * 2019-05-17 2020-06-30 深圳市柯尼斯智能科技有限公司 Push-pull type full-automatic intelligent lock
CN210798508U (en) * 2019-09-19 2020-06-19 云丁网络技术(北京)有限公司 Door lock and linkage type unlocking mechanism thereof

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Denomination of invention: A fast opening fireproof door

Granted publication date: 20220405

Pledgee: Zhejiang Jiande Rural Commercial Bank Co.,Ltd. Genlou Sub branch

Pledgor: Zhejiang Zhenyuan Security Technology Co.,Ltd.

Registration number: Y2024330000091