CN218991397U

CN218991397U - Self-sealing security door for fire alarm

Info

Publication number: CN218991397U
Application number: CN202222454965.0U
Authority: CN
Inventors: 沈菲
Original assignee: Shanghai Ruiyue Door And Window Co ltd
Current assignee: Shanghai Ruiyue Door And Window Co ltd
Priority date: 2022-09-16
Filing date: 2022-09-16
Publication date: 2023-05-09
Anticipated expiration: 2032-09-16

Abstract

The utility model discloses a self-sealing security door for fire alarms, which comprises a door frame and a closing mechanism; door frame: the left side of its front surface articulates there is the door plant through the hinge, the leading flank of door plant is equipped with the handle, the left surface upper end of door plant is equipped with the spliced groove, the upper end of door frame right flank is equipped with the mounting box, the right-hand member sliding in the downthehole sliding connection of door frame has the spliced pole, the middle part of spliced pole is equipped with the mounting panel, be equipped with the spring between the right flank of mounting panel and the right wall of mounting box, the right-hand member of spliced pole is located inside the spring, the left end of mounting box bottom wall transversely is equipped with the fixed plate, the middle part of mounting box diapire is equipped with the fixed column, be connected with the buckle through the round pin axle rotation between fixed column and the fixed plate, the front end of buckle is in contact with the left surface of mounting panel, spliced groove and spliced pole cooperation installation, this fire alarm is from inclosed security protection door, the automatically closing door plant when the conflagration takes place.

Description

Self-sealing security door for fire alarm

Technical Field

The utility model relates to the technical field of fire protection security doors, in particular to a fire self-sealing security door.

Background

The mountain cave that the mountain cave people lived, keep off something like stone, trunk at the entrance to a cave and regard as the barrier, this is the most primitive door, along with the development of society various doors also in succession, today, the kind of door is more and more, according to the material of door, there is the thin bamboo strip door, firewood door, timber, the stone door, iron door, magnetism stone door, quartzy door, glass door, aluminum alloy door, burglary-resisting door, steel door etc. and fire alarm self-airtight security door is in order to avoid the conflagration spreading, protect personnel's safety and specially designed one kind of door, present fire alarm self-airtight security door is closed through hydraulic pressure automatic door closer, probably take place circumstances such as weeping and influence the use, lack mandatory automatic locking structure, for this reason, we propose a fire alarm self-airtight security door.

Disclosure of Invention

The utility model aims to overcome the existing defects, and provides a fire self-sealing security door which adopts a pure mechanical structure and is forcedly locked after being closed, so that the problems in the background technology can be effectively solved.

In order to achieve the above purpose, the present utility model provides the following technical solutions: a fire self-sealing security door comprises a door frame and a closing mechanism;

door frame: the left side of the front surface of the door plate is hinged with the door plate through a hinge, the front side surface of the door plate is provided with a handle, the upper end of the left side surface of the door plate is provided with a plug-in groove, the upper end of the right side surface of the door frame is provided with an installation box, the right end sliding hole of the door frame is in sliding connection with a plug-in rod, the middle part of the plug-in rod is provided with an installation plate, a spring is arranged between the right side surface of the installation plate and the right wall of the installation box, the right end of the plug-in rod is positioned in the spring, the left end of the bottom wall of the installation box is transversely provided with a fixing plate, the middle part of the bottom wall of the installation box is provided with a fixing column, the fixing column and the fixing plate are rotationally connected with a buckle through a pin shaft, the front end of the buckle is contacted with the left side surface of the installation plate, and the plug-in groove is matched with the plug-in installation;

closing mechanism: the automatic door closer is arranged on the left side of the upper end of the door frame, the lower end of the closing mechanism is fixedly connected with the upper surface of the door plate, the door plate is automatically closed when a fire disaster occurs, the automatic door closer is simple in structure, a mechanical structure is used, the problems of liquid leakage and the like caused by the hydraulic automatic door closer are effectively prevented, the door plate is locked after the fire disaster occurs, the door plate is prevented from being opened due to high-pressure airflow generated by high temperature inside or unexpected conditions, and the fire disaster is effectively prevented from spreading.

Further, the intelligent door frame also comprises a PLC controller, wherein the PLC controller is arranged on the right side face of the door frame, and the input end of the PLC controller is electrically connected with an external power supply to control each electric appliance to work.

Further, still include electric putter, electric putter sets up in the diapire of installing the case, and electric putter's upper end is equipped with the drop-down piece, and the drop-down piece is installed with the buckle cooperation, and electric putter's input is connected to the output electricity of PLC controller for bayonet socket breaks away from with the mounting panel.

Further, closing mechanism includes motor, backup pad, gear one and gear two, the backup pad sets up in the left side of door frame upper end, and the upper end of backup pad is equipped with the motor, and the output shaft lower extreme of motor passes the circular hole of changeing of backup pad upper surface, and the lower extreme of motor output shaft is equipped with gear one, and the left end fixedly connected with gear two of door plant upper surface, gear one and gear two meshing are connected, and the centre of a circle of gear two coincides with the axle center of hinge, and the input of motor is connected to the output electricity of PLC controller, closes the door plant.

Further, the gear ratio of the first gear to the second gear is one to four.

Further, the fire disaster detector also comprises a smoke sensor, wherein the smoke sensor is arranged at the upper end of the rear side face of the door frame, and the PLC is in bidirectional electric connection with the smoke sensor to detect whether a fire disaster occurs.

Further, still include the rubber pad, the rubber pad sets up in the front surface of the vertical threshold of door frame, absorbs the impact force that produces when the door plant closes.

Further, the device also comprises a sliding block, wherein the sliding block is arranged on the front side surface of the mounting plate, the middle part of the sliding block is slidably connected in a front side surface sliding groove of the mounting box, and the sliding block can be driven to recover more trouble-free.

Compared with the prior art, the utility model has the beneficial effects that: this fire alarm is from airtight security protection door has following benefit:

1. the PLC controller controls the motor to rotate, the motor drives the first gear to rotate, the first gear drives the second gear to rotate, and because the gear ratio of the first gear to the second gear is one to four, the power is larger and more stable when the second gear rotates, the second gear drives the door plate to be closed, the door plate is automatically closed when a fire disaster occurs, the structure is simple, the mechanical structure is used, and the problems of liquid leakage and the like caused by the hydraulic automatic door closer are effectively prevented.

2. The PLC controller controls the electric putter shrink, and electric putter's flexible post upper end drives the pull-down piece and moves down, and the pull-down piece makes the rear end of buckle move down for the front end of buckle moves up, thereby when the buckle breaks away from with the mounting panel one instant, the spring promotes the mounting panel forward promotion spliced pole forward, makes the left end of spliced pole get into the spliced groove, prevents that the door plant from accidentally opening, locking door plant after the conflagration, prevents that the door plant from opening because of the high-pressure air flow or the unexpected condition that inside high temperature produced, effectively avoids the conflagration to spread.

Drawings

FIG. 1 is a schematic diagram of the structure of the present utility model;

FIG. 2 is a schematic view of a closure mechanism according to the present utility model;

FIG. 3 is a schematic view of a plug rod according to the present utility model;

fig. 4 is a schematic structural view of the electric putter of the present utility model.

In the figure: 1 door frame, 2 door plant, 3 closing mechanism, 31 motor, 32 backup pad, 33 gear one, 34 gear two, 4PLC controllers, 5 jack-in grooves, 6 install bin, 7 plug-in pole, 8 install panel, 9 springs, 10 fixed plate, 11 pull-down piece, 12 buckle, 13 fixed column, 14 slider, 15 rubber pad, 16 electric putter, 17 handle, 18 smoke transducer.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Referring to fig. 1-4, the present embodiment provides a technical solution: a fire self-sealing security door comprises a door frame 1 and a closing mechanism 3;

door frame 1: the door frame 1 is installed from airtight security door, the left side of door plant 2 is articulated through the hinge on the front surface of door plant 1, the front side of door plant 2 is equipped with handle 17, the left side upper end of door plant is equipped with jack-in groove 5, the upper end of the right side of door plant 1 is equipped with install bin 6, the right end sliding hole of door plant 1 is connected with jack-in pole 7 in a sliding way, the middle part of jack-in pole 7 is equipped with mounting panel 8, be equipped with spring 9 between the right side of mounting panel 8 and the right wall of install bin 6, the right end of jack-in pole 7 is located spring 9 inside, the left end of install bin 6 diapire transversely is equipped with fixed column 13, be connected with buckle 12 through the round pin axle rotation between fixed column 13 and the fixed plate 10, the front end of buckle 12 contacts with the left side of mounting panel 8, jack-in groove 5 cooperates the installation with jack-in pole 7, the front end of buckle 12 moves upward, at the moment that buckle 12 breaks away from mounting panel 8, spring 9 promotes mounting panel 8 forward so that jack-in the jack-in pole 7 is advanced, make the left end of jack-in 7 get into jack-in groove 5;

closing mechanism 3: the door frame is characterized in that the door frame is arranged on the left side of the upper end of the door frame 1, the lower end of the closing mechanism 3 is fixedly connected with the upper surface of the door plate 2, the closing mechanism 3 comprises a motor 31, a supporting plate 32, a first gear 33 and a second gear 34, the supporting plate 32 is arranged on the left side of the upper end of the door frame 1, the motor 31 is arranged at the upper end of the supporting plate 32, the lower end of an output shaft of the motor 31 penetrates through a round rotating hole on the upper surface of the supporting plate 32, a first gear 33 is arranged at the lower end of the output shaft of the motor 31, the second gear 34 is fixedly connected with the left end of the upper surface of the door plate 2, the first gear 33 is meshed with the second gear 34, the center of the second gear 34 coincides with the axis of a hinge, the output end of the PLC 4 is electrically connected with the input end of the motor 31, the first gear 33 and the second gear 34 are in a gear ratio of one to four, the motor 31 drives the first gear 33 to rotate, the first gear 33 drives the second gear 34 to rotate, and because the gear ratio of the first gear 33 and the second gear 34 is in a ratio of one to four, the power is larger and stable when the second gear 34 rotates, and the door plate 2 is driven to close.

Wherein: the intelligent door frame also comprises a PLC controller 4, wherein the PLC controller 4 is arranged on the right side face of the door frame 1, and the input end of the PLC controller 4 is electrically connected with an external power supply to control the electric push rod 16, the motor 31 and the smoke sensor 18 to work.

Wherein: still include electric putter 16, electric putter 16 sets up in the diapire of installing box 6, and electric putter 16's upper end is equipped with pull-down piece 11, and pull-down piece 11 and buckle 12 cooperation installation, the input of electric putter 16 is connected to the output electricity of PLC controller 4, and electric putter 16's flexible post upper end drives pull-down piece 11 and removes.

Wherein: the smoke sensor 18 is arranged at the upper end of the rear side face of the door frame 1, the PLC controller 4 is in bidirectional electric connection with the smoke sensor 18, and the smoke sensor 18 detects the smoke concentration in the environment and transmits information to the PLC controller 4 for processing.

Wherein: still include rubber pad 15, rubber pad 15 sets up in the front surface of the vertical threshold of door frame 1, and the impact to door frame 1 when door plant 2 is closed is absorbed to rubber pad 15.

Wherein: the device further comprises a sliding block 14, wherein the sliding block 14 is arranged on the front side surface of the mounting plate 8, and the middle part of the sliding block 14 is connected in a sliding groove on the front side surface of the mounting box 6 in a sliding way.

The working principle of the self-sealing security door for fire alarm provided by the utility model is as follows: the safety door is installed, the PLC controller 4 controls the smoke sensor 18 to work, when no fire occurs, the door plate 2 can be normally opened and closed by holding the handle 17, the smoke sensor 18 detects the smoke concentration in the environment and transmits information to the PLC controller 4 for processing, when the fire occurs, the PLC controller 4 controls the motor 31 to rotate, the motor 31 drives the gear one 33 to rotate, the gear one 33 drives the gear two 34 to rotate, the gear one 33 and the gear two 34 are compared with one another in tooth ratio, the force is larger and more stable when the gear two 34 rotates, the center of the gear two 34 coincides with the axis of the hinge, the gear two 34 drives the door plate 2 to be closed, the rubber pad 15 absorbs impact on the door frame 1 when the door plate 2 is closed, the gear one 31 stops working, the electric push rod 16 contracts, the upper end of the telescopic column of the electric push rod 16 drives the pull-down block 11 to enable the rear end of the buckle 12 to move downwards, the front end of the buckle 12 moves upwards when the buckle 12 is separated from the mounting plate 8, the spring 9 pushes the mounting plate 8 to push the front so as to push the plug 7 forwards, the left end of the plug rod 7 enters the left end 5 to the electric push rod 5 to be prevented from being in contact with the left end of the plug rod 4, the plug rod is prevented from being opened by the effect of the electric push rod 4, and the impact of the plug rod is prevented from being opened by the left end of the electric push rod is prevented from reaching the left end, and the plug rod is prevented from reaching the effect of the control of the plug rod is due to be separated from the effect of the plug rod, and the front side, the control rod is isolated plug rod is 4 is prevented from the plug side, and the plug rod is left is separated from the front is left, when the plug rod is separated from the front is left and the front is has the plug side and the plug side is separated.

It should be noted that the PLC controller 4 disclosed in the above embodiment may be a C200HS controller, the electric putter 16 may be an ANT-26 pen-type ultra-small electric putter, the motor 31 may be a 86BYG250BN-0401 motor, the smoke sensor 18 may be a DP-TAD-169 smoke sensor, and the PLC controller 4 controls the operation of the electric putter 16, the motor 31 and the smoke sensor 18 by a method commonly used in the prior art.

The foregoing description is only illustrative of the present utility model and is not intended to limit the scope of the utility model, and all equivalent structures or equivalent processes or direct or indirect application in other related technical fields are included in the scope of the present utility model.

Claims

1. A fire alarm self-sealing security door is characterized in that: comprises a door frame (1) and a closing mechanism (3);

door frame (1): the left side of the front surface of the door frame is hinged with a door plate (2) through a hinge, the front side surface of the door plate (2) is provided with a handle (17), the upper end of the left side surface of the door plate is provided with a plug-in groove (5), the upper end of the right side surface of the door frame (1) is provided with a mounting box (6), the right end sliding hole of the door frame (1) is in sliding connection with a plug-in rod (7), the middle part of the plug-in rod (7) is provided with a mounting plate (8), a spring (9) is arranged between the right side surface of the mounting plate (8) and the right wall of the mounting box (6), the right end of the plug-in rod (7) is positioned in the spring (9), the left end of the bottom wall of the mounting box (6) is transversely provided with a fixing plate (10), the middle part of the bottom wall of the mounting box (6) is provided with a fixing column (13), the front end of the buckle (12) is in contact with the left side surface of the mounting plate (8) through pin shaft rotation, and the plug-in groove (5) is mounted in a matched manner with the plug-in rod (7);

closing mechanism (3): the upper end of the closing mechanism (3) is fixedly connected with the upper surface of the door plate (2).

2. The fire self-sealing security door as claimed in claim 1, wherein: the door frame also comprises a PLC (programmable logic controller) 4, wherein the PLC 4 is arranged on the right side face of the door frame 1, and the input end of the PLC 4 is electrically connected with an external power supply.

3. The fire self-sealing security door as claimed in claim 2, wherein: still include electric putter (16), electric putter (16) set up in the diapire of installing box (6), and the upper end of electric putter (16) is equipped with drop-down piece (11), and drop-down piece (11) and buckle (12) cooperation installation, the input of electric putter (16) is connected to the output electricity of PLC controller (4).

4. The fire self-sealing security door as claimed in claim 2, wherein: the closing mechanism (3) comprises a motor (31), a supporting plate (32), a first gear (33) and a second gear (34), wherein the supporting plate (32) is arranged on the left side of the upper end of the door frame (1), the motor (31) is arranged at the upper end of the supporting plate (32), the lower end of an output shaft of the motor (31) penetrates through a circular rotating hole on the upper surface of the supporting plate (32), the first gear (33) is arranged at the lower end of the output shaft of the motor (31), the second gear (34) is fixedly connected with the left end of the upper surface of the door plate (2), the first gear (33) is meshed with the second gear (34), the center of the second gear (34) coincides with the axis of a hinge, and the output end of the PLC (4) is electrically connected with the input end of the motor (31).

5. The fire self-sealing security door as claimed in claim 4, wherein: the gear ratio of the first gear (33) to the second gear (34) is one to four.

6. The fire self-sealing security door as claimed in claim 2, wherein: the intelligent door further comprises a smoke sensor (18), wherein the smoke sensor (18) is arranged at the upper end of the rear side face of the door frame (1), and the PLC (4) is in bidirectional electric connection with the smoke sensor (18).

7. The fire self-sealing security door as claimed in claim 1, wherein: still include rubber pad (15), rubber pad (15) set up in the front surface of the vertical threshold of door frame (1).

8. The fire self-sealing security door as claimed in claim 1, wherein: the novel mounting box is characterized by further comprising a sliding block (14), wherein the sliding block (14) is arranged on the front side face of the mounting plate (8), and the middle part of the sliding block (14) is connected in a front side face sliding groove of the mounting box (6) in a sliding mode.