CN109372331B - Fire door adopting mechanical locking - Google Patents

Fire door adopting mechanical locking Download PDF

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Publication number
CN109372331B
CN109372331B CN201811561902.7A CN201811561902A CN109372331B CN 109372331 B CN109372331 B CN 109372331B CN 201811561902 A CN201811561902 A CN 201811561902A CN 109372331 B CN109372331 B CN 109372331B
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CN
China
Prior art keywords
fire door
spring
bolt
baffle
fire
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Application number
CN201811561902.7A
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Chinese (zh)
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CN109372331A (en
Inventor
王占军
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Ningbo Xinwantai Fire Equipment Co ltd
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Ningbo Xinwantai Fire Equipment Co ltd
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Priority to CN201811561902.7A priority Critical patent/CN109372331B/en
Publication of CN109372331A publication Critical patent/CN109372331A/en
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    • 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
    • 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
    • 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
    • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05B—LOCKS; ACCESSORIES THEREFOR; HANDCUFFS
    • E05B65/00—Locks or fastenings for special use
    • E05B65/0071—Locks or fastenings for special use for revolving doors

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

Abstract

The invention discloses a fire door locked mechanically, which comprises a first fire door plate and a second fire door plate, wherein a mechanical lock device is arranged in the second fire door plate and comprises a driving wheel, a main lock tongue mechanism, an auxiliary lock tongue mechanism and a locking mechanism; the driving wheel is rotatably arranged inside the door panel II through the rotating shaft I, a first driving tooth, a first poking block and a first poking rod are arranged on the driving wheel at intervals, and the driving wheel is driven to drive through a motor; the main spring bolt mechanism comprises a spring bolt I, a guide plate, a baffle I, a spring I, a guide rod and a shifting piece, wherein one end of the spring bolt I is connected with the guide plate, and the other end of the spring bolt I can movably extend out of a fire door plate II; the auxiliary bolt mechanism comprises a bolt II, a connecting rod, a spring II and a guide rail; the locking mechanism comprises a locking rod, a spring III, a baffle IV, a gear I and a gear II. The invention controls the opening and closing of the fire door in a mechanical lock mode, and the fire door is not easy to lose efficacy.

Description

Fire door adopting mechanical locking
Technical Field
The invention relates to the technical field of fire fighting devices, in particular to a fire fighting door locked mechanically.
Background
In recent years, along with the improvement of living standard of people, a large number of buildings are put into use every year, a large number of doors are used on the buildings, due to the fact that household appliances are increased continuously, fire is easily caused after circuits are aged, fire prevention facilities are added to the doors of the household rooms, and the doors of the fire-fighting rooms are used for replacing ordinary doors of the household rooms. The existing fire door mainly comprises a door frame, a fireproof door leaf and a fireproof plate, and is simple in structure, and the existing fire door is usually opened and closed by a door magnetic switch which is realized by electromagnetic induction, but the electromagnetic induction mode is easy to lose efficacy, so that unnecessary troubles are brought to users.
Disclosure of Invention
The invention aims to solve the problems that: the fire-fighting door is locked mechanically, the opening and closing of the fire-fighting door are controlled in a mechanical locking mode, and failure is not prone to happening.
The technical scheme provided by the invention for solving the problems is as follows: a fire door locked mechanically comprises a first fire door plate and a second fire door plate, wherein the first fire door plate and the second fire door plate are hinged to two sides of a door frame respectively, a handle is arranged on the surface of the second fire door plate, a mechanical lock device is arranged inside the second fire door plate, and the mechanical lock device comprises a driving wheel, a main spring bolt mechanism, an auxiliary spring bolt mechanism and a locking mechanism; the driving wheel is rotatably arranged inside the door panel II through a rotating shaft I, a first driving tooth, a first shifting block and a first shifting rod are arranged on the driving wheel at intervals, and the driving wheel is driven to drive through a motor;
the main spring bolt mechanism comprises a first spring bolt, a guide plate, a first baffle, a first spring, a guide rod and a shifting piece, one end of the first spring bolt is connected with the guide plate, the other end of the first spring bolt can movably extend out of a second fire door plate, a horizontal guide groove is formed in the guide plate, the guide rod can be movably arranged in the guide groove, the first spring is arranged at one end, far away from the first spring bolt, of the guide plate, the end, far away from the guide plate, of the first spring is connected with the first baffle, the shifting piece is rotatably arranged in the second fire door plate through a second rotating shaft, a connecting column is arranged at one end of the shifting piece, a protrusion is arranged at the other end of the shifting piece, a sliding groove is formed in the first spring bolt, the connecting column is matched with the sliding groove, and;
the auxiliary lock tongue mechanism comprises a second lock tongue, a connecting rod, a second spring and a guide rail, the second lock tongue is slidably arranged in the guide rail, the second lock tongue can movably extend out of the second fire door panel, the connecting rod is connected with the second lock tongue, the connecting rod penetrates through a second baffle plate arranged inside the second fire door panel, the second spring is sleeved on the connecting rod, one end of the second spring is abutted against the second lock tongue, the other end of the second spring is abutted against the second baffle plate, and a second poking rod abutted against the first poking rod is vertically arranged on the end face, close to the driving wheel, of the connecting rod;
the locking mechanism comprises a locking rod, a third spring, a third baffle, a fourth baffle, a first gear and a second gear, the locking rod is perpendicular to the first spring bolt, the third baffle and the fourth baffle are arranged in parallel and horizontally inside the second fire door panel, the locking rod penetrates through the third baffle, the third spring is arranged between the third baffle and the fourth baffle, the locking rod is close to the second transmission gear arranged on the end face of the transmission wheel, and the first transmission gear, the first gear, the second gear and the second transmission gear are meshed in sequence for transmission.
Preferably, the outer surface of the first fire door panel is coated with a fireproof coating, and the thickness of the fireproof coating is 1 mm.
Preferably, the outer surface of the second fire door panel is coated with a fireproof coating, and the thickness of the fireproof coating is 1 mm.
Preferably, a door core plate made of fireproof plate materials is embedded in the first fire door plate and the second fire door plate.
Compared with the prior art, the invention has the advantages that: the mechanical lock is arranged in the fire door plate II, wherein the mechanical lock comprises a main lock tongue mechanism, an auxiliary lock tongue mechanism and a locking mechanism, the two lock tongue mechanisms are arranged, so that the stability of the fire door after the fire door is locked is improved, meanwhile, the main lock tongue can be locked after the main lock tongue mechanism is locked through the locking mechanism, the main lock tongue is prevented from moving due to the action of external force after the main lock tongue is locked, the stability is further improved, the fire door is locked by adopting the mechanical lock with mechanical transmission instead of a traditional door magnetic induction mode, and the mechanical transmission mode is stable and reliable and is not easy to lose efficacy.
Drawings
The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the invention and not to limit the invention.
FIG. 1 is a schematic structural view of the mechanical lock of the present invention;
FIG. 2 is an overall schematic view of the present invention;
the attached drawings are marked as follows: 1. the fire control door panel I, 2, the fire control door panel II, 3, the handle, 4, the connecting column, 5, the shifting piece, 6, the guide plate, 7, the guide rod, 8, the spring I, 9, the baffle I, 10, the guide groove, 11, the rotating shaft II, 12, the shifting block, 13, the rotating shaft I, 14, the shifting rod I, 15, the shifting rod II, 16, the connecting rod, 17, the baffle II, 18, the spring II, 19, the guide rail, 20, the bolt II, 21, the baffle IV, 22, the spring III, 23, the baffle III, 24, the transmission gear II, 25, the gear I, 26, the gear II, 27, the transmission wheel, 28, the transmission gear I, 29, the locking rod, 30, the sliding groove, 31 and the bolt I.
Detailed Description
The following detailed description of the embodiments of the present invention will be provided with reference to the accompanying drawings and examples, so that how to implement the embodiments of the present invention by using technical means to solve the technical problems and achieve the technical effects can be fully understood and implemented.
The embodiment of the invention is shown in fig. 1 and fig. 2, a fire door locked mechanically comprises a first fire door panel 1 and a second fire door panel 2, wherein the first fire door panel 1 and the second fire door panel 2 are respectively hinged on two sides of a door frame, a handle 3 is arranged on the surface of the second fire door panel 2, a mechanical lock device is arranged inside the second fire door panel 2, and the mechanical lock device comprises a transmission wheel 27, a main bolt mechanism, an auxiliary bolt mechanism and a locking mechanism; the driving wheel 27 is rotatably arranged inside the door panel II through a first rotating shaft 13, a first driving tooth 28, a shifting block 12 and a first shifting rod 14 are arranged on the driving wheel 27 at intervals, and the driving wheel 27 is driven to drive through a motor;
the main bolt mechanism comprises a first bolt 31, a guide plate 6, a first baffle plate 9, a first spring 8, a guide rod 7 and a shifting piece 5, one end of the first bolt 31 is connected with the guide plate 6, the other end can movably extend out of the second fire door plate 2, the guide plate 6 is provided with a horizontal guide groove 10, the guide rod 7 can be movably arranged in the guide groove 10, the first spring 8 is arranged at one end of the guide plate 6 far away from the first bolt 31, one end of the first spring 8 far away from the guide plate 6 is connected with the first baffle plate 9, the poking sheet 5 is rotatably arranged in the fire door panel II 2 through a second rotating shaft 11, one end of the poking sheet 5 is provided with a connecting column 4, the other end is provided with a bulge, a sliding groove 30 is formed in the first lock tongue 31, the connecting column 4 is matched with the sliding groove 30, and the protrusion is abutted to the toggle block 12;
the auxiliary bolt mechanism comprises a second bolt 20, a connecting rod 16, a second spring 18 and a guide rail 19, the second bolt 20 is arranged in the guide rail 19 in a sliding mode, the second bolt 20 can movably extend out of the second fire door panel 2, the connecting rod 16 is connected with the second bolt 20, the connecting rod 16 penetrates through a second baffle 17 arranged inside the second fire door panel 2, the second spring 18 is sleeved on the connecting rod 16, one end of the second spring 18 is abutted against the second bolt 20, the other end of the second spring is abutted against the second baffle 17, and a second poking rod 15 abutted against the first poking rod 14 is vertically arranged on the end face, close to the driving wheel 27, of the connecting rod 16;
locking mechanism includes lock bar 29, three 22 of springs, three 23 of baffle, four 21 of baffle, gear 25 and gear 26, lock bar 29 is perpendicular the setting of a 31 of spring bolt, the parallel level setting of three 23 of baffle and four 21 of baffle is in inside two 2 of fire control door plants, lock bar 29 runs through baffle three 23, three 22 of springs set up between three 23 of baffle and four 21 of baffle, lock bar 29 is close to be equipped with drive teeth two 24 on the terminal surface of drive wheel 27, drive teeth one 28, gear 25, gear two 26 and drive teeth two 24 mesh the transmission in proper order.
The outer surface of the fire-fighting door plate I1 is coated with a fireproof coating, and the thickness of the fireproof coating is 1 mm.
The outer surface of the second fire door panel 2 is coated with a fireproof coating, and the thickness of the fireproof coating is 1 mm.
And door core plates made of fireproof plate materials are embedded in the first fire door panel 1 and the second fire door panel 2.
The specific working process of the invention is as follows: the fire door is normally closed under the normal state, that is to say, under the normal state, the first spring bolt and the second spring bolt respectively extend out of the second fire door under the action of the first spring and the second spring to enter a lock hole on the first fire door, when the door is unlocked, the driving wheel rotates anticlockwise under the driving of the motor, the poking block on the driving wheel drives the poking piece to rotate clockwise, the connecting post on the poking piece slides in the sliding groove to drive the first spring bolt to move rightwards, meanwhile, the driving wheel drives the locking rod to move towards the direction far away from the first spring bolt through the transmission action of the first gear and the second gear, so that the main spring bolt mechanism can smoothly return to the inside of the first fire door, the poking rod on the driving wheel drives the second poking rod on the auxiliary spring bolt mechanism to move rightwards, the second poking rod drives the auxiliary spring bolt mechanism to.
The invention has the beneficial effects that: the mechanical lock is arranged in the fire door plate II, wherein the mechanical lock comprises a main lock tongue mechanism, an auxiliary lock tongue mechanism and a locking mechanism, the two lock tongue mechanisms are arranged, so that the stability of the fire door after the fire door is locked is improved, meanwhile, the main lock tongue can be locked after the main lock tongue mechanism is locked through the locking mechanism, the main lock tongue is prevented from moving due to the action of external force after the main lock tongue is locked, the stability is further improved, the fire door is locked by adopting the mechanical lock with mechanical transmission instead of a traditional door magnetic induction mode, and the mechanical transmission mode is stable and reliable and is not easy to lose efficacy.
The foregoing is merely illustrative of the preferred embodiments of the present invention and is not to be construed as limiting the claims. The present invention is not limited to the above embodiments, and the specific structure thereof is allowed to vary. All changes which come within the scope of the invention as defined by the independent claims are intended to be embraced therein.

Claims (4)

1. The utility model provides an adopt fire control door that machinery was locked, includes fire control door plant (1) and fire control door plant two (2), fire control door plant (1) and fire control door plant two (2) articulate respectively in the both sides of door frame, the surface of fire control door plant two (2) is equipped with handle (3), its characterized in that: a mechanical lock device is arranged inside the fire door panel II (2), and comprises a driving wheel (27), a main lock tongue mechanism, an auxiliary lock tongue mechanism and a locking mechanism; the driving wheel (27) is rotatably arranged inside the door panel II through a first rotating shaft (13), a first driving tooth (28), a shifting block (12) and a first shifting rod (14) are arranged on the driving wheel (27) at intervals, and the driving wheel (27) is driven to drive through a motor;
the main bolt mechanism comprises a first bolt (31), a guide plate (6), a first baffle plate (9), a first spring (8), a guide rod (7) and a shifting piece (5), one end of the first bolt (31) is connected with the guide plate (6), the other end of the first spring can movably extend out of the second fire door plate (2), a horizontal guide groove (10) is formed in the guide plate (6), the guide rod (7) can be movably arranged in the guide groove (10), the first spring (8) is arranged at one end, far away from the first bolt (31), of the guide plate (6), of the first spring (8) is connected with the first baffle plate (9), the shifting piece (5) is rotatably arranged in the second fire door plate (2) through a second rotating shaft (11), one end of the shifting piece (5) is provided with a connecting column (4), and the other end of the shifting piece is provided with a bulge, a sliding groove (30) is formed in the first lock tongue (31), the connecting column (4) is matched with the sliding groove (30), and the protrusion is abutted to the poking block (12);
the auxiliary bolt mechanism comprises a second bolt (20), a connecting rod (16), a second spring (18) and a guide rail (19), the second bolt (20) is arranged in the guide rail (19) in a sliding mode, the second bolt (20) can movably extend out of the second fire door panel (2), the connecting rod (16) is connected with the second bolt (20), the connecting rod (16) penetrates through a second baffle (17) arranged inside the second fire door panel (2), the second spring (18) is sleeved on the connecting rod (16), one end of the second spring (18) is abutted to the second bolt (20), the other end of the second spring (18) is abutted to the second baffle (17), and a second poking rod (15) abutted to the first poking rod (14) is vertically arranged on the end face, close to the driving wheel (27), of the connecting rod (16);
locking mechanism includes lock pole (29), three (22) of spring, baffle three (23), baffle four (21), gear one (25) and gear two (26), lock pole (29) are perpendicular bolt one (31) sets up, baffle three (23) and baffle four (21) parallel level set up inside fire control door plant two (2), lock pole (29) run through baffle three (23), spring three (22) set up between baffle three (23) and baffle four (21), lock pole (29) are close to be equipped with driving tooth two (24) on the terminal surface of drive wheel (27), driving tooth one (28), gear one (25), gear two (26) and driving tooth two (24) mesh transmission in proper order.
2. A fire door locked mechanically as defined in claim 1, wherein: the outer surface of the first fire door panel (1) is coated with a fireproof coating, and the thickness of the fireproof coating is 1 mm.
3. A fire door locked mechanically as defined in claim 1, wherein: the outer surface of the second fire door panel (2) is coated with a fireproof coating, and the thickness of the fireproof coating is 1 mm.
4. A fire door locked mechanically as defined in claim 1, wherein: and door core plates made of fireproof plate materials are embedded in the first fire door plate (1) and the second fire door plate (2).
CN201811561902.7A 2018-12-20 2018-12-20 Fire door adopting mechanical locking Active CN109372331B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201811561902.7A CN109372331B (en) 2018-12-20 2018-12-20 Fire door adopting mechanical locking

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201811561902.7A CN109372331B (en) 2018-12-20 2018-12-20 Fire door adopting mechanical locking

Publications (2)

Publication Number Publication Date
CN109372331A CN109372331A (en) 2019-02-22
CN109372331B true CN109372331B (en) 2020-11-24

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ID=65371079

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201811561902.7A Active CN109372331B (en) 2018-12-20 2018-12-20 Fire door adopting mechanical locking

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CN (1) CN109372331B (en)

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20090091480A (en) * 2008-02-25 2009-08-28 블루솔텍(주) Backset used for door lock
CN202755752U (en) * 2012-07-16 2013-02-27 苏州第壹制药有限公司 Anti-opening system for fire exit door
CN203669664U (en) * 2014-01-18 2014-06-25 台州市椒江龙甲防火门窗厂 Wooden sound insulation fireproof double-leaf door
CN105545112B (en) * 2016-01-25 2017-08-29 烟台三环信和汽车电装有限公司 Motor electronic is locked
CN208122505U (en) * 2018-02-28 2018-11-20 惠州市不丢科技有限公司 A kind of intelligent door lock clutch transmission

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CN109372331A (en) 2019-02-22

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