CN110905365A - Fire door is prevented to normal close formula building - Google Patents
Fire door is prevented to normal close formula building Download PDFInfo
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- CN110905365A CN110905365A CN201911260994.XA CN201911260994A CN110905365A CN 110905365 A CN110905365 A CN 110905365A CN 201911260994 A CN201911260994 A CN 201911260994A CN 110905365 A CN110905365 A CN 110905365A
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- cavity
- water storage
- communicating pipe
- end wall
- sliding
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 85
- 230000000149 penetrating effect Effects 0.000 claims abstract description 10
- 239000007788 liquid Substances 0.000 claims description 19
- 230000005540 biological transmission Effects 0.000 claims description 15
- 238000004804 winding Methods 0.000 claims description 11
- 238000004891 communication Methods 0.000 description 6
- 238000001816 cooling Methods 0.000 description 5
- 230000002337 anti-port Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000001125 extrusion Methods 0.000 description 1
- 238000010304 firing Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000002265 prevention Effects 0.000 description 1
- 239000007921 spray Substances 0.000 description 1
- 230000001960 triggered effect Effects 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
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Classifications
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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
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- E—FIXED CONSTRUCTIONS
- E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
- E05F—DEVICES FOR MOVING WINGS INTO OPEN OR CLOSED POSITION; CHECKS FOR WINGS; WING FITTINGS NOT OTHERWISE PROVIDED FOR, CONCERNED WITH THE FUNCTIONING OF THE WING
- E05F15/00—Power-operated mechanisms for wings
- E05F15/60—Power-operated mechanisms for wings using electrical actuators
- E05F15/603—Power-operated mechanisms for wings using electrical actuators using rotary electromotors
- E05F15/632—Power-operated mechanisms for wings using electrical actuators using rotary electromotors for horizontally-sliding wings
- E05F15/643—Power-operated mechanisms for wings using electrical actuators using rotary electromotors for horizontally-sliding wings operated by flexible elongated pulling elements, e.g. belts, chains or cables
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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
- 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
- E06B3/42—Sliding wings; Details of frames with respect to guiding
- E06B3/46—Horizontally-sliding wings
- E06B3/4636—Horizontally-sliding wings for doors
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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
- E06B7/00—Special arrangements or measures in connection with doors or windows
- E06B7/28—Other arrangements on doors or windows, e.g. door-plates, windows adapted to carry plants, hooks for window cleaners
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- E—FIXED CONSTRUCTIONS
- E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
- E05Y—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES E05D AND E05F, RELATING TO CONSTRUCTION ELEMENTS, ELECTRIC CONTROL, POWER SUPPLY, POWER SIGNAL OR TRANSMISSION, USER INTERFACES, MOUNTING OR COUPLING, DETAILS, ACCESSORIES, AUXILIARY OPERATIONS NOT OTHERWISE PROVIDED FOR, APPLICATION THEREOF
- 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—Type of wing
- E05Y2900/132—Doors
- E05Y2900/134—Fire doors
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- Engineering & Computer Science (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Special Wing (AREA)
Abstract
The invention relates to the field of building fire doors, in particular to a normally closed building fire door, which comprises a door frame and a pedestrian passage arranged in the door frame and penetrating forwards and backwards, wherein sliding grooves with opposite openings are arranged in the left end wall and the right end wall of the pedestrian passage, a fire door is arranged in the sliding grooves in a sliding manner, first springs which are symmetrical up and down are arranged between the fire door and the end walls of the sliding grooves, and a water receiving groove with an upward opening is arranged in the bottom wall of the pedestrian passage. Is more practical.
Description
Technical Field
The invention relates to the field of building fire doors, in particular to a normally closed building fire door.
Background
Traditional building is provided with in the corridor and prevents fire door device, and traditional fire door need keep the normal close state, frequently opens and shuts and leads to preventing that the fire door hinge damages easily, and traditional fire door only utilizes self to carry out the conflagration isolated, and high temperature firing when the conflagration takes place leads to preventing that fire door warp easily, leads to the fire prevention inefficacy, consequently is necessary to set up a normal close formula building prevents fire door and improves above-mentioned problem.
Disclosure of Invention
The invention aims to provide a normally closed building fireproof door, which can overcome the defects in the prior art, so that the practicability of equipment is improved.
The technical scheme adopted by the invention for solving the technical problems is as follows: the invention relates to a normally closed fireproof door for buildings, which comprises a door frame and a pedestrian passage which is arranged in the door frame and runs through from front to back, sliding grooves with opposite openings are arranged in the left end wall and the right end wall of the pedestrian passage, a fireproof door is arranged in the sliding grooves in a sliding manner, first springs which are symmetrical up and down are arranged between the fireproof door and the end walls of the sliding grooves, a water receiving groove with an upward opening is arranged in the bottom wall of the pedestrian passage, a filter plate is arranged in the water receiving groove in a sliding manner, a second spring is arranged between the filter plate and the bottom wall of the water receiving groove, a winding cavity is arranged in the bottom wall of the water receiving groove, fixed pulley cavities are arranged in the left end wall and the right end wall of the sliding groove, fixed pulleys which are symmetrical up and down are arranged in the fixed pulley cavities in a rotating manner, and, locking devices for locking the fireproof door are arranged in the left end wall and the right end wall of the water receiving tank, when a person treads the filter plate, the filter plate moves downwards, the wire winding wheel rotates to pull the fireproof door to two sides, the fireproof door is opened, the fireproof door is locked by the locking devices, when the person leaves the filter plate, the filter plate moves upwards under the action of the second spring so as to trigger the locking devices to unlock the fireproof door, bilaterally symmetrical water storage chambers are arranged in the bottom wall of the door frame, a first communicating pipe and a second communicating pipe which are communicated with the water receiving tank and a third communicating pipe and a fourth communicating pipe which are communicated with a water outlet hole formed in the top wall of the sliding tank are respectively arranged in the end walls of two sides of the water storage chambers, push plates are arranged in the water storage chambers in a sliding mode, when the left push plate and the right push plate are far, liquid in the third communicating pipe is right flow into after preventing fire door cooling in the water receiving tank, liquid passes through in the water receiving tank the second is flowed back into communicating pipe the water storage intracavity, two when controlling the push pedal is close to each other will water storage intracavity liquid passes through fourth communicating pipe is crowded income in the water outlet hole, thereby right prevent fire door cooling, then liquid passes through in the water receiving tank first communicating pipe flow back to in the water storage intracavity.
Furthermore, the locking device comprises rotating cavities which are arranged in the end walls of two sides of the water receiving tank and are communicated with the water receiving tank, a cam cavity is arranged between the left rotating cavity and the right rotating cavity, the rotating cavity is close to the end wall of one side of the cam cavity, a first rotating shaft is rotatably arranged in the end wall of one side of the cam cavity, a first gear which is meshed with a first rack symmetrically arranged on the left side and the right side of the filter plate is fixedly arranged at the tail end of the first rotating shaft in the rotating cavity, a second rotating shaft is rotatably arranged in the cam cavity, a cam is fixedly arranged on the outer surface of the second rotating shaft, the second rotating shaft is connected with the first rotating shaft through the ratchet device, a first sliding groove with an upward opening is arranged in the bottom wall of the sliding groove, a first sliding rod which is matched with a locking groove arranged in the bottom wall of the fireproof door is slidably arranged in the first sliding groove, and, the cam cavity end wall is internally provided with a second sliding rod in a sliding manner, and the end wall of the second sliding rod is internally provided with a resetting device which drives the second sliding rod to reset after the second sliding rod displaces.
Furthermore, a left threaded hole and a right threaded hole are formed in the push plate, threaded rods are connected with the threaded holes in a threaded manner, the left threaded rod and the right threaded rod are close to one side and extend into a transmission cavity formed between the left water storage cavity and the right water storage cavity, a first bevel gear is fixedly arranged at the tail end of the transmission cavity, a power cavity is arranged between the transmission cavity and the winding cavity, a first spline shaft is rotatably arranged between the power cavity and the transmission cavity, a second bevel gear meshed with the first bevel gear is fixedly arranged at the tail end of the first spline shaft in the transmission cavity, a second spline shaft fixedly connected with the reel is rotatably arranged on the top wall of the power cavity, a supporting block is slidably arranged in the power cavity, a first motor is fixedly arranged in the supporting block, spline sleeves are vertically and symmetrically fixedly arranged at the tail end of an output shaft of the first motor, and third sliding grooves located on the front, the third sliding groove is internally provided with a second rack in a slidable manner, a fourth spring is arranged between the second rack and the bottom wall of the third sliding groove, a gear cavity is communicated between the third sliding groove and the power cavity, and a second gear meshed with the second rack and a third rack fixedly arranged on the front end wall and the rear end wall of the supporting block is rotatably arranged in the gear cavity.
Furthermore, a first circular cavity penetrating through the second communicating pipe and the fourth communicating pipe is arranged in the end wall of one side, close to each other, of the left water storage cavity and the right water storage cavity, a first disc is rotatably arranged in the first circular cavity, a first through hole communicating the two sides of the second communicating pipe is arranged in the first disc in a left-right through manner, a second circular cavity penetrating through the third communicating pipe and the first communicating pipe is arranged in the end wall of one side, far away from each other, of the left water storage cavity and the right water storage cavity, a second disc is rotatably arranged in the second circular cavity, a second through hole communicating the two sides of the third communicating pipe is arranged in the second disc in a left-right through manner, a meshing cavity is arranged in the push plate, a rotating barrel is rotatably arranged in the meshing cavity, spline holes are arranged in the rotating barrel in the left-right through manner, and a third spline shaft fixedly connected with the second, the rear end wall of the meshing cavity is internally provided with a cavity, a second rotating shaft is rotatably arranged between the cavity and the meshing cavity, the tail end of the second rotating shaft in the meshing cavity is fixedly provided with a fourth bevel gear meshed with a third bevel gear fixedly arranged on the outer surface of the rotating barrel, the tail end of the second rotating shaft in the cavity is fixedly provided with a third gear, a fourth sliding groove penetrating through the cavity is formed between the left end wall and the right end wall of the push plate, and a fourth rack meshed with the third gear is slidably arranged in the fourth sliding groove.
The invention has the beneficial effects that: the normally closed type building fireproof door provided by the invention can automatically realize the opening and closing of the fireproof door, the equipment can keep the fireproof door in a closed state for a long time, the equipment adopts a push-pull structure to avoid the problem of hinge damage caused by frequent opening and closing of the traditional hinged door, and the equipment can spray water for cooling the fireproof door when catching fire indoors, so that the problem that the fireproof door cannot isolate fire for a long time at high temperature is avoided, and the normally closed type building fireproof door is more practical.
Drawings
In order to more clearly illustrate the embodiments of the invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the invention, and it is obvious for those skilled in the art that other drawings can be obtained based on these drawings without creative efforts.
The invention is further illustrated with reference to the following figures and examples.
Fig. 1 is a schematic view of an overall structure of a normally closed fire door for buildings according to the present invention.
Fig. 2 is a schematic view of the structure a-a in fig. 1.
FIG. 3 is a schematic diagram of B-B in FIG. 1.
Fig. 4 is a schematic view of the structure of C-C in fig. 1.
Fig. 5 is an enlarged schematic view of D in fig. 1.
Detailed Description
The invention will now be described in detail with reference to fig. 1-5, wherein for ease of description the orientations described hereinafter are now 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 normally closed fire door for buildings, which is described with reference to fig. 1-5, includes a door frame 10 and a pedestrian passageway 36 disposed in the door frame 10 and running through the front and back, sliding grooves 12 with opposite openings are disposed in the left and right end walls of the pedestrian passageway 36, a fire door 13 is slidably disposed in the sliding grooves 12, vertically symmetrical first springs 11 are disposed between the fire door 13 and the end walls of the sliding grooves 12, a water receiving groove 53 with an upward opening is disposed in the bottom wall of the pedestrian passageway 36, a filter plate 54 is slidably disposed in the water receiving groove 53, a second spring 33 is disposed between the filter plate 54 and the bottom wall of the water receiving groove 53, a winding cavity 38 is disposed in the bottom wall of the water receiving groove 53, a fixed pulley cavity 16 is disposed in the left and right end walls of the sliding groove 12, a vertically symmetrical fixed pulley 15 is rotatably disposed in the fixed pulley cavity 16, and a pull wire 14 wound on the outer surface of a winding wheel 39 rotatably The fixed pulley 15 is fixedly connected with the fireproof door 13, locking devices 99 used for locking the fireproof door 13 are arranged in the left end wall and the right end wall of the water receiving tank 53, when a person steps on the filter plate 54, the filter plate 54 moves downwards, at the moment, the reel 39 rotates to pull the fireproof door 13 towards two sides, at the moment, the fireproof door 13 is opened, meanwhile, the locking devices 99 lock the fireproof door 13, when the person leaves the filter plate 54, the filter plate 54 moves upwards under the action of the second spring 33, so that the locking devices 99 are triggered to unlock the fireproof door 13, water storage chambers 31 which are bilaterally symmetrical are arranged in the bottom wall of the door frame 10, a first communicating pipe 17 and a second communicating pipe 22 which are communicated with the water receiving tank 53 and a third communicating pipe 35 and a fourth communicating pipe 21 which are communicated with a water outlet 37 arranged in the top wall of the sliding tank 12, slidable is provided with push pedal 27 in the water storage chamber 31, controls two when push pedal 27 keeps away from each other will liquid extrusion extremely in the water storage chamber 31 in the third communicating pipe 35, liquid is right in the third communicating pipe 35 prevent that fire door 13 flows in after cooling down in the water receiving tank 53, liquid passes through in the water receiving tank 53 second communicating pipe 22 flows back and goes into in the water storage chamber 31, two when controlling the push pedal 27 will when being close to each other liquid passes through in the water storage chamber 31 fourth communicating pipe 21 extrudes into in the apopore 37, thereby it is right prevent that fire door 13 cools down, then liquid passes through in the water receiving tank 53 first communicating pipe 17 flows back extremely in the water storage chamber 31.
Beneficially, the locking device 99 includes a rotation cavity 59 disposed in the end wall at both sides of the water receiving tank 53 and communicating with the water receiving tank 53, a cam cavity 56 is disposed between the left and right rotation cavities 59, a first rotation shaft 60 is rotatably disposed in the end wall at one side of the rotation cavity 59 close to the cam cavity 56, a first gear 61 engaged with the first rack 32 symmetrically disposed at both sides of the filter plate 54 is fixedly disposed at the end of the first rotation shaft 60 in the rotation cavity 59, a second rotation shaft 55 is rotatably disposed in the cam cavity 56, a cam 57 is fixedly disposed on the outer surface of the second rotation shaft 55, the second rotation shaft 55 is connected with the first rotation shaft 60 by the ratchet device 58, a first sliding groove 72 with an upward opening is disposed in the bottom wall of the sliding groove 12, a first sliding rod 71 engaged with the locking groove 34 disposed in the bottom wall of the fire door 13 is slidably disposed in the first sliding groove 72, a third spring 74 is arranged between the bottom walls of the first sliding rod 71 and the first sliding groove 72, a left-right through inclined hole 73 is arranged in the first sliding rod 71, a second sliding groove 75 is arranged in the end wall of the cam cavity 56 and penetrates through the end wall, a second sliding rod 76 is slidably arranged in the second sliding groove 75, and a reset device 77 which drives the second sliding rod 76 to reset after the second sliding rod 76 displaces is arranged in the end wall of the second sliding groove 75.
Beneficially, a left and right through threaded hole 28 is formed in the push plate 27, a threaded rod 29 is connected to the threaded hole 28 in a threaded manner, a left and right threaded rod 29 mutually close to one side and extends into a transmission cavity 47 formed between the left and right water storage cavities 31, a first bevel gear 26 is fixedly arranged at the tail end of the transmission cavity 47, a power cavity 78 is formed between the transmission cavity 47 and the winding cavity 38, a first spline shaft 45 is rotatably arranged between the power cavity 78 and the transmission cavity 47, a second bevel gear 46 engaged with the first bevel gear 26 is fixedly arranged at the tail end of the first spline shaft 45 in the transmission cavity 47, a second spline shaft 40 fixedly connected with the winding wheel 39 is rotatably arranged on the top wall of the power cavity 78, a support block 43 is slidably arranged in the power cavity 78, a first motor 41 is fixedly arranged in the support block 43, and spline sleeves 44 are vertically symmetrically and fixedly arranged at the tail end of an output shaft, the opening upwards is provided with in the water receiving tank 53 diapire and is located third sliding tray 52 of power chamber 78 front and back both sides, slidable is provided with second rack 51 in the third sliding tray 52, second rack 51 with be provided with fourth spring 48 between the third sliding tray 52 diapire, third sliding tray 52 with it is provided with gear chamber 50 to communicate between the power chamber 78, rotatable be provided with in the gear chamber 50 with the second rack 51 and the second gear 49 of the fixed third rack 42 meshing that sets up on the end wall around the supporting shoe 43.
Beneficially, a first circular cavity 25 penetrating through the second communication pipe 22 and the fourth communication pipe 21 is arranged in the end wall of one side, close to each other, of the left and right water storage cavities 31, a first circular disc 24 is rotatably arranged in the first circular cavity 25, a first through hole 23 communicating with both sides of the second communication pipe 22 is arranged in the first circular disc 24 in a left-right through manner, a second circular cavity 19 penetrating through the third communication pipe 35 and the first communication pipe 17 is arranged in the end wall of one side, far away from each other, of the left and right water storage cavities 31, a second circular disc 18 is rotatably arranged in the second circular cavity 19, second through holes 20 communicating with both sides of the third communication pipe 35 are arranged in the second circular disc 18 in a left-right through manner, an engagement cavity 64 is arranged in the push plate 27, a rotating barrel 62 is rotatably arranged in the engagement cavity 64, and a spline hole 79 is arranged in the rotating barrel 62, a third spline shaft 30 fixedly connected with the second disk 18 and the first disk 24 is connected with the spline hole 79 through an internal spline, a cavity 68 is arranged in the rear side end wall of the meshing cavity 64, a second rotating shaft 66 is rotatably arranged between the cavity 68 and the meshing cavity 64, a fourth bevel gear 65 meshed with a third bevel gear 63 fixedly arranged on the outer surface of the rotating barrel 62 is fixedly arranged at the tail end of the second rotating shaft 66 in the meshing cavity 64, a third gear 67 is fixedly arranged at the tail end of the second rotating shaft 66 in the cavity 68, a fourth sliding groove 70 penetrating through the cavity 68 is arranged between the left end wall and the right end wall of the push plate 27, and a fourth rack 69 meshed with the third gear 67 is slidably arranged in the fourth sliding groove 70.
The fixing and connecting method in this embodiment includes, but is not limited to, bolting, welding, and the like.
As shown in fig. 1 to 5, in the initial state of the apparatus of the present invention, the tip end of the first spline shaft 45 extends into and is spline-connected to the lower spline housing 44, and the second spline shaft 40 is separated from the upper spline housing 44.
Sequence of mechanical actions of the whole device:
when the apparatus of the present invention is operated, when a user steps on the filter plate 54, the filter plate 54 moves downward, the second rack 51 moves downward to drive the supporting block 43 to move upward, the second spline shaft 40 is inserted into and splined with the spline housing 44 on the upper side, the first spline shaft 45 moves out of the spline housing 44 on the lower side, the first motor 41 is started to drive the spline housing 44 to rotate, the second spline shaft 40 rotates to drive the reel 39 to rotate, the reel 39 rotates to wind the pull wire 14, the pull wire 14 pulls the left and right fire doors 13 away from each other, when the locking groove 34 is aligned with the first slide rod 71, the first slide rod 71 is inserted into the locking groove 34 to lock the fire doors 13, and the user can pass through the pedestrian passageway 36, when a user passes through the pedestrian passage 36 and gets away from the filter plate 54, the filter plate 54 moves upward under the action of the second spring 33, the second rack 51 moves upward to drive the supporting block 43 to move downward, the first spline shaft 45 is inserted into and splined with the spline housing 44 on the lower side, the second spline shaft 40 is separated from the spline housing 44 on the upper side, the filter plate 54 moves upward to drive the first rack 32 to move upward, thereby driving the first gear 61 to rotate for a circle, the first gear 61 rotates for a circle to drive the cam 57 to rotate for a circle, the cam 57 rotates to abut against the second sliding rod 76, the second sliding rod 76 pushes the first sliding rod 71 to move downward, thereby driving the first sliding rod 71 to move out of the locking groove 34, and the left and right fireproof doors 13 approach each other under the action of the first spring 11, thereby closing the pedestrian walkway 36;
when a fire breaks out on the floor where the equipment is located, the first motor 41 is started to drive the spline housing 44 to rotate, so that the first spline shaft 45 is driven to rotate, the second bevel gear 46 is driven to rotate, the first bevel gear 26 is driven to rotate, the threaded rod 29 is driven to rotate, and the left push plate 27 and the right push plate 27 are driven to move away from each other. At this time, the push plate 27 pushes the liquid in the water storage cavity 31 to be extruded into the third communicating pipe 35, the liquid in the third communicating pipe 35 cools the fire door 13 and then flows into the water receiving tank 53, the liquid in the water receiving tank 53 flows back into the water storage cavity 31 through the second communicating pipe 22, when the push plate 27 abuts against the end wall of the water storage cavity 31, the fourth rack 69 moves to drive the third gear 67 to rotate, so as to drive the fourth bevel gear 65 to rotate, so as to drive the third bevel gear 63 to rotate, so as to drive the rotating barrel 62 to rotate, so as to drive the third spline shaft 30 to rotate, so as to drive the second disk 18 and the first disk 24 to rotate for half a circle, at this time, the second disk 18 seals the third communicating pipe 35, and the second through hole 20 communicates the two sides of the first communicating pipe 17, first disc 24 will second communicating pipe 22 both sides are sealed, first through-hole 23 will fourth communicating pipe 21 both sides intercommunication, this moment first motor 41 drives spline housing 44 antiport, thereby two about driving third integral key shaft 30 antiport, thereby two about driving push pedal 27 is close to each other, and this moment push pedal 27 will liquid passes through in the water storage chamber 31 fourth communicating pipe 21 is crowded into in the apopore 37, thereby it is right prevent fire door 13 and cool down, then liquid passes through in the water receiving tank 53 first communicating pipe 17 flows back to in the water storage chamber 31, thereby circulate in proper order and realize prevent fire door 13's cooling, thereby prevent fire door 13 high temperature deformation damage.
The above embodiments are merely illustrative of the technical ideas and features of the present invention, and the purpose thereof is to enable those skilled in the art to understand the contents of the present invention and implement the present invention, and not to limit the protection scope of the present invention. All equivalent changes and modifications made according to the spirit of the present invention should be covered within the protection scope of the present invention.
Claims (4)
1. The utility model provides a fire door is prevented to normal close formula building, include the door frame and the pedestrian passageway that link up around setting up in the door frame, its characterized in that: sliding grooves with opposite openings are arranged in the left end wall and the right end wall of the pedestrian passage, a fireproof door is slidably arranged in the sliding grooves, first springs which are symmetrical up and down are arranged between the fireproof door and the end walls of the sliding grooves, a water receiving groove with an upward opening is arranged in the bottom wall of the pedestrian passage, a filter plate is slidably arranged in the water receiving groove, a second spring is arranged between the filter plate and the bottom wall of the water receiving groove, a winding cavity is arranged in the bottom wall of the water receiving groove, fixed pulley cavities are arranged in the left end wall and the right end wall of the sliding groove, fixed pulleys which are symmetrical up and down are rotatably arranged in the fixed pulley cavities, pull wires wound on the outer surfaces of reels which are rotatably arranged in the fixed pulley cavities bypass the upper fixed pulley and the lower fixed pulley and are fixedly connected with the fireproof door, when a person tramples the filter plate, the filter plate moves downwards, the wire winding wheel rotates to pull the fireproof door to two sides, the fireproof door is opened, the locking device locks the fireproof door, when the person leaves the filter plate, the filter plate moves upwards under the action of the second spring so as to trigger the locking device to unlock the fireproof door, bilaterally symmetrical water storage chambers are arranged in the bottom wall of the door frame, a first communicating pipe and a second communicating pipe which are communicated with the water receiving tank and a third communicating pipe and a fourth communicating pipe which are communicated with a water outlet hole formed in the top wall of the sliding tank are respectively arranged in the end walls of two sides of the water storage chambers, push plates are arranged in the water storage chambers in a sliding manner, when the left push plate and the right push plate are far away from each other, liquid in the water storage chambers is extruded into the third communicating pipe, the liquid in the third communicating pipe cools the fireproof, liquid in the water receiving tank flows back into the water storage cavity through the second communicating pipe, when the left push plate and the right push plate are close to each other, the liquid in the water storage cavity is squeezed into the water outlet hole through the fourth communicating pipe, so that the fireproof door is cooled, and then the liquid in the water receiving tank flows back to the water storage cavity through the first communicating pipe.
2. The normally closed fire door for buildings according to claim 1, wherein: the locking device comprises rotating cavities which are arranged in the end walls of two sides of the water receiving tank and are communicated with the water receiving tank, a cam cavity is arranged between the left rotating cavity and the right rotating cavity, the rotating cavity is rotatably provided with a first rotating shaft in the end wall of one side of the cam cavity, the tail end of the first rotating shaft in the rotating cavity is fixedly provided with a first gear which is meshed with a first rack symmetrically arranged on the left side and the right side of the filter plate, a second rotating shaft is rotatably arranged in the cam cavity, the outer surface of the second rotating shaft is fixedly provided with a cam, the second rotating shaft is connected with the first rotating shaft through a ratchet device, a first sliding groove with an upward opening is arranged in the bottom wall of the sliding groove, a first sliding rod which is matched with a locking groove arranged in the bottom wall of the fireproof door is slidably arranged in the first sliding groove, and a third spring is arranged between the first sliding rod and, the cam cavity end wall is internally provided with a second sliding rod in a sliding manner, and the end wall of the second sliding rod is internally provided with a resetting device which drives the second sliding rod to reset after the second sliding rod displaces.
3. The normally closed fire door for buildings according to claim 1, wherein: a left threaded hole and a right threaded hole which are communicated are arranged in the push plate, threaded rods are in threaded connection with the threaded holes, the left threaded rod and the right threaded rod are mutually close to one side and extend into a transmission cavity arranged between the left water storage cavity and the right water storage cavity, a first bevel gear is fixedly arranged at the tail end of the transmission cavity, a power cavity is arranged between the transmission cavity and the winding cavity, a first spline shaft is rotatably arranged between the power cavity and the transmission cavity, a second bevel gear meshed with the first bevel gear is fixedly arranged at the tail end of the first spline shaft in the transmission cavity, a second spline shaft fixedly connected with the winding wheel is rotatably arranged in the top wall of the power cavity, a supporting block is slidably arranged in the power cavity, a first motor is fixedly arranged in the supporting block, spline sleeves are vertically and symmetrically fixedly arranged at the tail end of an output shaft of the first motor, and third sliding, the third sliding groove is internally provided with a second rack in a slidable manner, a fourth spring is arranged between the second rack and the bottom wall of the third sliding groove, a gear cavity is communicated between the third sliding groove and the power cavity, and a second gear meshed with the second rack and a third rack fixedly arranged on the front end wall and the rear end wall of the supporting block is rotatably arranged in the gear cavity.
4. The normally closed fire door for buildings according to claim 1, wherein: a first circular cavity which penetrates through the second communicating pipe and the fourth communicating pipe is arranged in the left water storage cavity and the right water storage cavity which are close to one side end wall, a first circular disc is rotatably arranged in the first circular cavity, first through holes which are communicated with two sides of the second communicating pipe are arranged in the first circular disc in a penetrating way in the left water storage cavity and the right water storage cavity, a second circular cavity which penetrates through the third communicating pipe and the first communicating pipe is arranged in the end wall of one side which is far away from the left water storage cavity and the right water storage cavity, a second circular disc is rotatably arranged in the second circular cavity, second through holes which are communicated with two sides of the third communicating pipe are arranged in the second circular disc in a penetrating way in the left water storage cavity and the right water storage cavity, a meshing cavity is arranged in the pushing plate, a rotating barrel is rotatably arranged in the meshing cavity, spline holes are arranged in the, the rear end wall of the meshing cavity is internally provided with a cavity, a second rotating shaft is rotatably arranged between the cavity and the meshing cavity, the tail end of the second rotating shaft in the meshing cavity is fixedly provided with a fourth bevel gear meshed with a third bevel gear fixedly arranged on the outer surface of the rotating barrel, the tail end of the second rotating shaft in the cavity is fixedly provided with a third gear, a fourth sliding groove penetrating through the cavity is formed between the left end wall and the right end wall of the push plate, and a fourth rack meshed with the third gear is slidably arranged in the fourth sliding groove.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201911260994.XA CN110905365B (en) | 2019-12-10 | 2019-12-10 | Fire door is prevented to normal close formula building |
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| CN201911260994.XA CN110905365B (en) | 2019-12-10 | 2019-12-10 | Fire door is prevented to normal close formula building |
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| CN110905365B CN110905365B (en) | 2021-06-15 |
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| CN110905365B (en) | 2021-06-15 |
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Effective date of registration: 20210526 Address after: 322105 Beijiang Industrial Zone, Geshan Town, Dongyang City, Jinhua City, Zhejiang Province Applicant after: ZHEJIANG ZHENGXIAOFANGHUO DOORS AND WINDOWS Co.,Ltd. Address before: No.39 Qianyou village, Zhanjia Town, Longyou County, Quzhou City, Zhejiang Province Applicant before: Longyou flat coating refractory Co.,Ltd. |
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