CN110242178B - Fireproof door coated with fireproof material - Google Patents

Fireproof door coated with fireproof material Download PDF

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Publication number
CN110242178B
CN110242178B CN201910394073.6A CN201910394073A CN110242178B CN 110242178 B CN110242178 B CN 110242178B CN 201910394073 A CN201910394073 A CN 201910394073A CN 110242178 B CN110242178 B CN 110242178B
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CN
China
Prior art keywords
cavity
rod
rotating
symmetrical
wall
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CN201910394073.6A
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Chinese (zh)
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CN110242178A (en
Inventor
路丽丽
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Jiangshan oupai Security Technology Co.,Ltd.
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Jiangshan Oupai Security Technology Co ltd
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Priority to CN201910394073.6A priority Critical patent/CN110242178B/en
Publication of CN110242178A publication Critical patent/CN110242178A/en
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Publication of CN110242178B publication Critical patent/CN110242178B/en
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    • E—FIXED CONSTRUCTIONS
    • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05C—BOLTS OR FASTENING DEVICES FOR WINGS, SPECIALLY FOR DOORS OR WINDOWS
    • E05C19/00—Other devices specially designed for securing wings, e.g. with suction cups
    • 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
    • E06B3/90—Revolving doors; Cages or housings therefor
    • 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
    • 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
    • E06B5/161—Profile members therefor
    • E—FIXED CONSTRUCTIONS
    • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05Y—INDEXING SCHEME RELATING TO HINGES OR OTHER SUSPENSION DEVICES FOR DOORS, WINDOWS OR WINGS AND DEVICES FOR MOVING WINGS INTO OPEN OR CLOSED POSITION, CHECKS FOR WINGS AND WING FITTINGS NOT OTHERWISE PROVIDED FOR, CONCERNED WITH THE FUNCTIONING OF THE WING
    • E05Y2900/00—Application of doors, windows, wings or fittings thereof
    • E05Y2900/10—Application of doors, windows, wings or fittings thereof for buildings or parts thereof
    • E05Y2900/13—Application of doors, windows, wings or fittings thereof for buildings or parts thereof characterised by the type of wing
    • E05Y2900/132—Doors
    • E05Y2900/134—Fire doors

Abstract

The invention discloses a fireproof door coated with fireproof materials, which comprises a main door plate coated with fireproof materials, wherein a door shaft which is externally connected and extends up and down is connected to the main door plate in a rotating matching manner, a cut-off cavity which is positioned at the right end of the door shaft is arranged in the main door plate, a groove which is downward in opening and forward is arranged on the inner wall of the top end of the cut-off cavity, a locking claw device is arranged in the groove, a rotating cavity which is positioned at the lower end of the groove and is upward in opening is arranged on the inner wall of the bottom end of the cut-off cavity, a transmission shaft which extends left and right is connected to the rotating cavity in a rotating matching manner, a rotating roller is arranged on the transmission shaft; the invention aims to design a fireproof door which can be conveniently passed by people when a fire disaster happens and a door in a fire fighting passage is damaged to cause blocking.

Description

Fireproof door coated with fireproof material
Technical Field
The invention relates to the technical field of fire fighting, in particular to a fireproof door coated with a fireproof material.
Background
At present, many buildings are provided with fire fighting passageways, fire insulation doors are usually arranged in the fire fighting passageways in order to prevent the spread of fire, but when a fire disaster happens, the phenomenon that the fire insulation doors are locked or the fire disaster is too large to open often occurs, and the occurrence of the phenomenon can block the entrance and exit of fire field personnel and fire fighters to cause unnecessary loss.
Disclosure of Invention
It is an object of the present invention to provide a fire rated door coated with a fire resistant material that overcomes the deficiencies of the prior art.
The fireproof door comprises a main door plate coated with fireproof materials, wherein the main door plate is connected with a door shaft which is externally connected and extends up and down in a rotating and matching manner, a cut-off cavity is arranged in the main door plate and is positioned at the right end of the door shaft, a groove with a downward opening and a forward opening is arranged on the inner wall of the top end of the cut-off cavity, a locking claw device is arranged in the groove, a rotating cavity with an upward opening and positioned at the lower end of the groove is arranged on the inner wall of the bottom end of the cut-off cavity, a transmission shaft which extends left and right is connected in a rotating and matching manner is arranged in the rotating cavity, a rotating roller is arranged on the transmission shaft, an auxiliary door plate coated with fireproof materials is fixedly connected on the rotating roller, a butting column which extends into the groove is fixedly connected on the outer side of the top of the auxiliary door plate and is controlled by the locking claw device, an unlocking cavity, the auxiliary door plate is provided with selectable rotating devices which are symmetrically positioned at the left end and the right end of the unlocking cavity, wherein the selectable rotating devices are controlled by the auxiliary door unlocking device, the auxiliary door plate is rotated on the transmission shaft by rotating the auxiliary door unlocking device, the auxiliary door plate is internally provided with restraining cavities which are symmetrically positioned at the upper end of the selectable device and are arranged in the left and right directions, the restraining cavities are internally provided with limiting devices, the limiting devices are controlled by the selectable rotating devices and control the locking claw devices, the auxiliary door plate is provided with filling components which are symmetrically positioned at the sides of the selectable rotating devices far away from the symmetric center, the filling components are internally provided with push lock components, the left inner wall and the right inner wall of the cut-off cavity are provided with symmetrical locking devices and are controlled by the push lock components to generate feedback to the push lock components, and the end surface of the right end of the main door plate is provided with a door lock placing groove with a right opening for realizing the installation of a common door lock.
Preferably, the locking claw device comprises a concave cavity arranged in the main door plate, a main lock rod extending forwards and backwards is connected to the inner wall of the front end of the horizontal side of the concave cavity in a sliding fit manner, a main locking claw positioned in the groove is arranged on the main lock rod, a trapezoidal push block positioned in the concave cavity is arranged on the main lock rod, a cross beam positioned at the left end and the right end of the main lock rod in a symmetrical manner is fixedly connected to the horizontal side of the concave cavity, a starting rod connected with the trapezoidal push block in an abutting manner is connected to the cross beam in a sliding fit manner, fixed point shafts which are symmetrical leftwards and rightwards and extend upwards and downwards are fixedly connected to the vertical side of the concave cavity, a rotating plate is connected to the fixed point shafts in a rotating fit manner, a torque spring is connected between the upper side of the rotating plate and the top side of the concave cavity in a pressing manner, through grooves which are symmetrical, the vertical side of the concave cavity is connected with an auxiliary lock rod which is connected with the front end in a sliding mode through the through groove and extends left and right in a sliding mode, and an auxiliary lock claw is arranged on the auxiliary lock rod and close to the symmetrical center.
Preferably, the auxiliary door unlocking device comprises an unlocking shaft which is connected with the inner wall of the rear end of the unlocking cavity in a rotating fit mode and extends from front to back, an unlocking handle is arranged at the tail end of the front end of the unlocking shaft, and an unlocking cam which is located at the rear end of the unlocking handle is arranged on the unlocking shaft.
Preferably, the selectable rotating device comprises a driving cavity which is arranged in the auxiliary door panel and is symmetrical at the left end and the right end of the unlocking cavity, the driving cavity is connected with a feedback rod which extends leftwards and rightwards in a sliding fit manner and is close to the inner wall of the symmetrical center side, the feedback rod is provided with a butting roller which is connected with the unlocking cam in a sliding fit manner and is close to the symmetrical center side, the feedback rod is provided with a driving rod which extends upwards and downwards and is far away from the symmetrical center side, the driving rod is close to the symmetrical center side and is mutually connected with an inhibiting spring in a pressing manner and close to the driving cavity, the inhibiting spring is provided with a driving push block which is arranged in the inhibiting cavity, the auxiliary door panel is provided with a lifting cavity which is arranged at the lower side of the driving cavity and is communicated and connected with the driving cavity, the driving rod is far away from the symmetrical center side and is provided with a horizontal twill, perpendicular twill pole lower extreme fixedly connected with is located the piece is prevented down to the intracavity, prevent down being equipped with the open slot that the opening is down on the piece, open slot top inner wall fixedly connected with prevents the swinging arms, be equipped with on the transmission shaft with prevent the spacing groove that the swinging arms offseted is connected.
Preferably, the stop device includes that it communicates with each other and is equipped with the lift slide to restrain the chamber and keep away from the symmetrical center side inner wall, sliding fit is connected with the suppression pole of extending about on the lift slide, the suppression pole downside with it is connected with extension spring to restrain roof pressure between the chamber bottom inner wall, fixed connection is useful on the suppression pole with the driven ejector pad of drive ejector pad butt, be equipped with on the suppression pole and be located the restriction pole that the symmetrical center terminal surface was kept away from in the suppression chamber, it is useful to restrain chamber top inner wall sliding fit connection with the screens pole of drive ejector pad butt, the screens pole with the counterbalance is connected between the supplementary pawl.
Preferably, it connects articulated frame including recovering inslot articulated to fill up the subassembly, the crossing axle that extends around articulated frame cross center end is equipped with, be equipped with on the crossing axle with the walking of limit stop lever butt stops the pole, the walking stops the pole and keeps away from the hydraulic strut of symmetry center side fixedly connected with longitudinal symmetry, hydraulic strut front end terminal surface is equipped with the fixed tip, articulated frame be equipped with fixed tip sliding connection's slide rail, it is equipped with bilateral symmetry's lockplate to cut the intracavity, be equipped with the opening orientation on the lockplate the smooth chamber of vice door plant, smooth chamber sliding fit is connected with longitudinal symmetry's articulated seat, articulated seat keep away from the symmetry center side with the smooth intracavity inner wall leans on near side roof pressure each other and is connected with compression spring, articulated seat with articulated connection between the articulated frame.
But preferentially, push away the locking subassembly and include articulated frame is kept away from symmetrical center side inner wall sliding fit and is connected with the locking lever of left right extension, the nearly symmetrical center side of locking lever be equipped with the atress board that hydraulic pressure branch counterbalance is connected, the atress board keep away from symmetrical center side with the nearly symmetrical center side roof pressure of sliding chamber is connected with reset spring, be equipped with the locked groove of longitudinal symmetry on the locking lever, articulated frame is kept away from symmetrical center side inner wall sliding fit and is connected with and is located lower extreme and symmetrical straight-tooth pole on the locking lever, straight-tooth pole with fixed connection between the atress board.
Preferably, locking device includes main door plant is equipped with bilateral symmetry's lock core chamber, lock core intracavity normal running fit is connected with the drive shaft that longitudinal symmetry just extends around, be equipped with in the drive shaft with the drive gear that straight-tooth bar meshing is connected, the swing arm of fixedly connected with longitudinal symmetry on the symmetry center lateral inner wall is kept away from in the lock core chamber, sliding fit connects in the swing arm useful with the profile of tooth locking lever that drive gear meshing is connected, profile of tooth locking lever with the counterbalance is connected between the locked groove, the profile of tooth locking lever is close to the locked groove end with the swing arm is close to the side roof pressure each other and is connected with the stopping spring.
The invention has the beneficial effects that: the escape door has the advantages that the structure is simple, the operation is convenient, when a fire disaster happens and the main door plate is stuck, passing personnel can escape by opening the auxiliary door plate, and the auxiliary door plate can be automatically closed again after the escape, so that the fire disaster is prevented from spreading.
Drawings
For ease of illustration, the invention is described in detail by the following specific examples and figures.
Figure 1 is a schematic view of the overall structure of a fire rated door of the present invention;
FIG. 2 is a schematic cross-sectional view taken along line A-A of FIG. 1;
FIG. 3 is a schematic cross-sectional view taken along line B-B in FIG. 1;
FIG. 4 is an enlarged schematic view of "C" of FIG. 1;
fig. 5 is an enlarged structural view of "D" of fig. 1.
Detailed Description
The invention will now be described in detail with reference to fig. 1-5, for ease of description, the orientations described below will now be defined as follows: 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.
The fireproof door comprises a main door panel 10 coated with fireproof materials, wherein the main door panel 10 is connected with a door shaft 28 which is externally connected and extends up and down in a rotating matching manner, a cut-off cavity 11 which is positioned at the right end of the door shaft 28 is arranged in the main door panel 10, a groove 33 with a downward opening and a forward opening is arranged on the inner wall of the top end of the cut-off cavity 11, a locking claw device is arranged in the groove 33, a rotating cavity 25 which is positioned at the lower end of the groove 33 and has an upward opening is arranged on the inner wall of the bottom end of the cut-off cavity 11, a transmission shaft 26 which extends left and right is connected in a rotating matching manner is arranged in the rotating cavity 25, a rotating roller 20 is arranged on the transmission shaft 26, an auxiliary door panel 13 coated with fireproof materials is fixedly connected on the rotating roller 20, an abutting column 32 which extends into the groove 33 is fixedly connected on the outer side of the top of the auxiliary door panel 13, the unlocking cavity 72 is provided with an auxiliary door unlocking device, the auxiliary door panel 13 is provided with selectable rotating devices which are symmetrically positioned at the left end and the right end of the unlocking cavity 72, wherein the selectable rotating devices are controlled by the auxiliary door unlocking device, the auxiliary door panel 13 is rotated on the transmission shaft 26 by rotating the auxiliary door unlocking device, the auxiliary door panel 13 is internally provided with a restraining cavity 17 which is symmetrically positioned at the upper end of the selectable device in the left-right direction, a limiting device is arranged in the restraining cavity 17, the limiting device is controlled by the selectable rotating device, meanwhile, the limiting device controls the locking claw device, the auxiliary door panel 13 is provided with a filling assembly which is symmetrically positioned at the side of the selectable rotating device far away from the symmetrical center, a push locking assembly is arranged in the filling assembly, the left inner wall and the right wall of the cut-off cavity 11 are provided with symmetrical locking devices and are controlled by the push locking assembly to generate feedback to the push locking assembly, the end face of the right end of the main door panel 10 is provided with a door lock placing groove 75 with a right opening for realizing common door lock installation.
Beneficially, the locking claw device includes a concave cavity 29 arranged in the main door panel 10, a main lock rod 40 extending forward and backward is connected to the inner wall of the front end of the horizontal side of the concave cavity 29 in a sliding fit manner, a main lock claw 42 arranged in the groove 33 is arranged on the main lock rod 40, a trapezoid push block 41 arranged in the concave cavity 29 is arranged on the main lock rod 40, a cross beam 39 symmetrically arranged at the left and right ends of the main lock rod 40 is fixedly connected to the horizontal side of the concave cavity 29, a start rod 38 connected with the trapezoid push block 41 in a sliding fit manner is connected to the cross beam 39, fixed point shafts 36 symmetrically arranged left and right and extending up and down are fixedly connected to the vertical side of the concave cavity 29, a rotating plate 37 is connected to the fixed point shafts 36 in a rotating fit manner, a torque spring is connected between the upper side of the rotating plate 37 and the top side of the concave cavity 29 in a pressing manner, a, the through groove 35 at the rear side is connected with the starting rod 38 in a sliding fit manner, the auxiliary lock rod 34 which is connected with the through groove 35 at the front end in a sliding fit manner and extends left and right is connected to the vertical side of the concave cavity 29 in a sliding fit manner, and the auxiliary lock claw 31 is arranged on the auxiliary lock rod 34 close to the symmetrical center.
Advantageously, the auxiliary door unlocking device comprises an unlocking shaft 73 extending forwards and backwards and rotatably connected with the inner wall of the rear end of the unlocking cavity 72, an unlocking handle 74 is arranged at the tail end of the front end of the unlocking shaft 73, and an unlocking cam 71 located at the rear end of the unlocking handle 74 is arranged on the unlocking shaft 73.
Advantageously, the selectable rotating device comprises a driving cavity 67 symmetrically arranged at the left end and the right end of the unlocking cavity 72 and arranged in the auxiliary door panel 13, a feedback rod 69 extending left and right is connected to the inner wall of the driving cavity 67 close to the symmetrical center side in a sliding fit manner, an abutting roller 70 connected with the unlocking cam 71 in a sliding fit manner is arranged at the side of the feedback rod 69 close to the symmetrical center side, a driving rod 21 extending up and down is arranged at the side of the feedback rod 69 far from the symmetrical center side, a restraining spring 68 is connected to the side of the driving rod 21 close to the symmetrical center side and close to the driving cavity 67 in a pressing manner, a driving push block 15 arranged in the restraining cavity 17 is arranged on the restraining spring 68, a lifting cavity 24 arranged at the lower side of the driving cavity 67 and connected with the lifting cavity is arranged in the auxiliary door panel 13, and a horizontal twill rod 19 arranged in the lifting cavity 24 is, the lift 24 bottom inner walls sliding fit of chamber connect useful with the perpendicular twill pole 22 that the meshing of horizontal twill pole 19 is connected, perpendicular twill pole 22 lower extreme fixedly connected with is located prevent down piece 23 of commentaries on classics intracavity 25, prevent down being equipped with the opening 43 of opening on the piece 23, swing arm 44 is prevented to opening 43 top inner wall fixedly connected with, be equipped with on the transmission shaft 26 with prevent the spacing groove 45 that swing arm 44 offseted the connection.
Beneficially, the limiting device comprises a lifting slide way 76 is arranged on the inner wall of the inhibition cavity 17 far away from the symmetric center side in a communicating mode, a left-right extending inhibition rod 12 is connected onto the lifting slide way 76 in a sliding fit mode, an extension spring 14 is connected between the lower side of the inhibition rod 12 and the inner wall of the bottom end of the inhibition cavity 17 in a pressing mode, a driven push block 16 abutted against the driving push block 15 is fixedly connected onto the inhibition rod 12, a stop rod 18 located on the inhibition rod 12 and far away from the symmetric center end face of the inhibition cavity 17 is arranged on the inhibition rod 12, a clamping rod 30 abutted against the driving push block 15 is connected onto the inner wall of the top end of the inhibition cavity 17 in a sliding fit mode, and the clamping rod 30 is abutted against the auxiliary locking claw 31.
Advantageously, said filling assembly comprises articulated connection articulated brackets 50 in the recovery channel 27, said articulated brackets 50 being provided at the crosswise central end with a crosswise shaft 49 extending forwards and backwards, a stop rod 46 which is used for abutting against the stop rod 18 is arranged on the cross shaft 49, the side of the stop rod 46 far away from the symmetrical center is fixedly connected with vertically symmetrical hydraulic support rods 47, the front end face of the hydraulic support rod 47 is provided with a fixed pin 52, the hinge frame 50 is provided with a slide rail 53 which is connected with the fixed pin 52 in a sliding way, a locking plate 57 which is symmetrical left and right is arranged in the intercepting cavity 11, a sliding cavity 56 with an opening facing the auxiliary door panel 13 is arranged on the locking plate 57, the sliding cavity 56 is connected with hinge seats 55 which are symmetrical up and down in a sliding fit mode, compression springs 54 are connected on the sides, far away from the symmetrical center, of the hinge seats 55 and the side, close to each other, of the inner wall of the sliding cavity 56 in a pressing mode, and the hinge seats 55 are connected with the hinge frame 50 in a hinged mode.
Beneficially, push away the locking subassembly include articulated frame 50 is kept away from symmetrical center side inner wall sliding fit and is connected with the locking lever 62 of extending about, the nearly symmetrical center side of locking lever 62 be equipped with the atress board 48 that hydraulic strut 47 offseted, atress board 48 keep away from symmetrical center side with the nearly symmetrical center side roof pressure of sliding chamber 56 is connected with reset spring 51, be equipped with the locked groove 61 of longitudinal symmetry on the locking lever 62, articulated frame 50 is kept away from symmetrical center side inner wall sliding fit and is connected with and is located locking lever 62 is last lower extreme and symmetrical straight-tooth pole 65, straight-tooth pole 65 with fixed connection between the atress board 48.
Beneficially, the locking device includes that the main door panel 10 is provided with a bilaterally symmetrical lock cylinder cavity 66, the lock cylinder cavity 66 is connected with a vertically symmetrical driving shaft 64 extending forwards and backwards in a rotationally matched manner, the driving shaft 64 is provided with a transmission gear 63 engaged with the straight gear rod 65, the lock cylinder cavity 66 is far away from the inner wall of the symmetrical center side and is fixedly connected with a vertically symmetrical swing arm 59, the swing arm 59 is connected with a toothed lock rod 58 engaged with the transmission gear 63 in a sliding fit manner, the toothed lock rod 58 is connected with the lock groove 61 in an abutting manner, and the end of the toothed lock rod 58 close to the lock groove 61 and the swing arm 59 are connected with a stop spring 60 in a pressing manner close to the near side.
Under the condition of normal door opening and closing, the abutting column 32 is positioned in the groove 33 and extrudes the main locking claw 42, so that the main locking claw 42 pushes the starting rod 38 to move away from the symmetrical center side through the trapezoid push block 41 on the main locking rod 40, the starting rod 38 moves to make the rotating plate 37 rotate towards the symmetrical center side along the fixed point shaft 36 to push the auxiliary locking rod 34 to eject the auxiliary locking claw 31 to assist in fixing the abutting column 32, the auxiliary locking claw 31 limits and locks, the hinged frame 50 is unfolded to fill the intercepting cavity 11 and limits the abutting between the stopping rod 18 and the stopping rod 46 to stand, the stress plate 48 is pushed away from the symmetrical center side by the hydraulic support rod 47 to slide through the meshing connection and rotation conduction of the straight toothed rod 65 and the transmission gear 63 to make the toothed locking rod 58 slide into the locking groove 61 to be locked, the unlocking cam 71 abuts against the abutting roller 70 at the shortest diameter to make the driving rod 21 slide, and the horizontal twill rod 19, the vertical twill rod 22, the abutting roller 70 and, The falling prevention block 23 inserts the falling prevention lever 44 into the limit groove 45 to limit the rotation, so that the normal rotation of the main door panel 10 is realized and the sub door panel 13 is not separated.
When a fire disaster occurs and the main door panel cannot be opened, the unlocking handle 74 is rotated to drive the unlocking cam 71 to actively enable the longest diameter to be in contact with the contact roller 70 to push the feedback rod 69 to slide away from the symmetrical center side through the unlocking shaft 73, the locking claw device and the selectable rotating device are unlocked simultaneously through the driving push block 15 and the horizontal threaded rod 19 which are fixed on the driving rod 21, the driving push block 15 pushes the driven push block 16 to move upwards through moving towards the side away from the symmetrical center side so that the inhibition cavity 17 which is fixedly connected with the driving push block slides upwards in the lifting slideway 76 to unlock the limit contact of the limit rod 18 on the stop rod 46, at the moment, the compression spring 54 causes the hinge seat 55 to contract towards the side away from the symmetrical center, the hydraulic support rod 47 is pushed to retract through the hinge frame 50, and the return spring 51 elastically restores to push the stressed plate 48 to slide towards the side close to the symmetrical center side so that the tooth-shaped locking rod 58 which is also in tooth engagement with the transmission gear 63 moves out to be in contact with the locking groove 61 to, thereby retracting the lock plate 57 entirely into the retraction slot 27. And the clamping rod 30 moves downwards to unlock the limit of the auxiliary locking claw 31 due to the outward movement of the driving push block 15, the auxiliary locking claw 31 moves towards the concave cavity 29 to be separated from the control of the abutting column 32 due to the elastic recovery of a (torque spring) in the fixed point shaft 36, the horizontal inclined thread rod 19 moves towards the side far away from the symmetrical center to enable the vertical inclined thread rod 22 to move upwards to enable the anti-swing rod 44 in the anti-falling block 23 to move out of the limit groove 45, so that the auxiliary door panel 13 can rotate along the transmission shaft 26 according to the rotating roller 20 to open the intercepting cavity 11 for people to pass through.
The invention has the beneficial effects that: the escape door has the advantages that the structure is simple, the operation is convenient, when a fire disaster happens and the main door plate is stuck, passing personnel can escape by opening the auxiliary door plate, and the auxiliary door plate can be automatically closed again after the escape, so that the fire disaster is prevented from spreading.
In the above manner, a person skilled in the art can make various changes depending on the operation mode within the scope of the present invention.

Claims (1)

1. A fireproof door coated with fireproof materials comprises a main door plate coated with fireproof materials, wherein a door shaft which is externally connected and extends up and down is connected to the main door plate in a rotating fit mode, a cut-off cavity which is located at the right end of the door shaft is arranged in the main door plate, a groove with a downward opening and a forward opening is formed in the inner wall of the top end of the cut-off cavity, a locking claw device is arranged in the groove, a rotating cavity which is located at the lower end of the groove and has an upward opening is formed in the inner wall of the bottom end of the cut-off cavity, a transmission shaft which extends left and right is connected in a rotating fit mode is connected to the rotating cavity in a rotating fit mode, a rotating roller is arranged on the transmission shaft, an auxiliary door plate coated with fireproof materials is fixedly connected to the rotating roller, a butt column which extends into the groove is fixedly connected to the outer side of the top of the auxiliary door plate, the auxiliary door plate is provided with selectable rotating devices which are symmetrically positioned at the left end and the right end of the unlocking cavity, wherein the selectable rotating devices are controlled by the auxiliary door unlocking device, the auxiliary door plate is rotated on the transmission shaft by rotating the auxiliary door unlocking device, the auxiliary door plate is internally provided with restraining cavities which are symmetrically positioned at the upper end of the selectable device and are arranged in the left and right directions, the restraining cavities are internally provided with limiting devices, the limiting devices are controlled by the selectable rotating devices and control the locking claw devices, the auxiliary door plate is provided with filling components which are symmetrically positioned at the sides of the selectable rotating devices far away from the symmetric center, the filling components are internally provided with push lock components, the left inner wall and the right inner wall of the cut-off cavity are provided with symmetrical locking devices and are controlled by the push lock components to generate feedback to the push lock components, the end face of the right end of the main door plate is provided with a door lock placing groove with a right opening for realizing common door lock installation; the locking claw device comprises a concave cavity arranged in the main door plate, a main lock rod extending forwards and backwards is connected on the inner wall of the front end of the horizontal side of the concave cavity in a sliding fit manner, a main locking claw positioned in the groove is arranged on the main lock rod, a trapezoidal push block positioned in the concave cavity is arranged on the main lock rod, the horizontal side of the concave cavity is fixedly connected with a cross beam positioned at the left end and the right end of the main lock rod in a symmetrical manner, a starting rod connected with the trapezoidal push block in an abutting manner is connected on the cross beam in a sliding fit manner, a fixed point shaft which is symmetrical leftwards and rightwards and extends upwards and downwards is fixedly connected on the vertical side of the concave cavity, a rotating plate is connected on the fixed point shaft in a rotating fit manner, a torque spring is connected between the upper side of the rotating plate and the top side of the concave cavity in a pressing manner, through grooves which are symmetrical forwards and backwards are arranged on the rotating plate, the back side are connected with the starting rod in, an auxiliary locking claw is arranged on the auxiliary locking rod and close to the symmetrical center; the auxiliary door unlocking device comprises an unlocking shaft which is connected with the inner wall of the rear end of the unlocking cavity in a rotating fit mode and extends forwards and backwards, an unlocking handle is arranged at the tail end of the front end of the unlocking shaft, and an unlocking cam positioned at the rear end of the unlocking handle is arranged on the unlocking shaft; the selectable rotating device comprises a driving cavity which is arranged in the auxiliary door plate and is symmetrical at the left end and the right end of the unlocking cavity, a feedback rod which extends leftwards and rightwards is connected to the inner wall of the driving cavity close to the symmetrical center in a sliding fit manner, a butting roller which is connected with the unlocking cam in a sliding fit manner is arranged at the side close to the symmetrical center, a driving rod which extends upwards and downwards is arranged at the side far from the symmetrical center on the feedback rod, a restraining spring is connected to the driving rod close to the symmetrical center and is mutually and closely abutted against the side close to the driving cavity, a driving push block which is arranged in the restraining cavity is arranged on the restraining spring, a lifting cavity which is arranged at the lower side of the driving cavity and is communicated with the driving cavity is arranged in the auxiliary door plate, a horizontal twill rod which is arranged in the lifting cavity is arranged at the side far from the symmetrical center on the driving rod, the lower end of the vertical diagonal rod is fixedly connected with an anti-falling block positioned in the turning cavity, the anti-falling block is provided with an open slot with a downward opening, the inner wall of the top end of the open slot is fixedly connected with an anti-swing rod, and the transmission shaft is provided with a limit slot which is connected with the anti-swing rod in an abutting mode; the limiting device comprises a limiting cavity, a driving push block and a limiting rod, wherein the inner wall of the limiting cavity on the side far away from the symmetric center is communicated with a lifting slide way, the lifting slide way is connected with the limiting rod which extends leftwards and rightwards in a sliding fit manner, an extension spring is connected between the lower side of the limiting rod and the inner wall of the bottom end of the limiting cavity in a jacking manner, the limiting rod is fixedly connected with the driven push block in a butt joint with the driving push block, the limiting rod is arranged on the end face, far away from the symmetric center, of the limiting cavity, the inner wall of the top end of the limiting cavity is connected with a clamping rod in a sliding fit manner in a butt joint with the driving push; the filling assembly comprises a hinge frame hinged and connected in a recovery groove, a cross shaft extending forwards and backwards is arranged at the cross center end of the hinge frame, a stop rod abutted against the stop rod is arranged on the cross shaft, the side, away from the symmetrical center, of the stop rod is fixedly connected with hydraulic support rods which are symmetrical up and down, the front end face of each hydraulic support rod is provided with a fixed pin, a slide rail slidably connected with the fixed pin is arranged on the hinge frame, a locking plate which is symmetrical left and right is arranged in the cut-off cavity, a slide cavity with an opening facing the auxiliary door plate is arranged on the locking plate, the slide cavity is slidably matched and connected with hinge seats which are symmetrical up and down, the side, away from the symmetrical center, of each hinge seat and the inner wall of the slide cavity are mutually close to the side and are in jacking connection with a compression spring, and; the push lock assembly comprises a hinge frame, a lock rod extending leftwards and rightwards is connected to the inner wall of the side, away from the symmetrical center, of the hinge frame in a sliding fit manner, a stress plate connected with the hydraulic support rod in an abutting manner is arranged on the side, close to the symmetrical center, of the lock rod, a reset spring is connected with the side, away from the symmetrical center, of the stress plate in an abutting manner, a lock groove which is symmetrical up and down is formed in the lock rod, a straight tooth rod which is located at the upper end and the lower end of the lock rod and symmetrical to the inner wall of the side, away from the symmetrical center, of the hinge frame in a sliding fit manner, and; locking device includes main door plant is equipped with bilateral symmetry's lock core chamber, lock core intracavity normal running fit is connected with the drive shaft that longitudinal symmetry just extends around, be equipped with in the drive shaft with the drive gear that straight-tooth pole meshing is connected, the swing arm of fixedly connected with longitudinal symmetry on the inner wall of symmetry center side is kept away from in the lock core chamber, sliding fit connects in the swing arm useful with the profile of tooth locking lever that drive gear meshing is connected, profile of tooth locking lever with the counterbalance is connected between the locked groove, profile of tooth locking lever is close to the locked groove end with the swing arm is close to each other and inclines the roof pressure to be connected with the stopping spring.
CN201910394073.6A 2019-05-13 2019-05-13 Fireproof door coated with fireproof material Active CN110242178B (en)

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Application Number Priority Date Filing Date Title
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Application Number Priority Date Filing Date Title
CN201910394073.6A CN110242178B (en) 2019-05-13 2019-05-13 Fireproof door coated with fireproof material

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CN110242178B true CN110242178B (en) 2021-02-12

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101949254B (en) * 2010-09-09 2012-05-23 西安东风仪表厂 Sealing door of mining rescue capsule
US10273746B1 (en) * 2018-01-16 2019-04-30 William F. O'Keeffe Fire rated door
CN108915539B (en) * 2018-06-30 2020-02-07 安徽安旺门业股份有限公司 Steel-wood fireproof door capable of improving escape probability of people

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