CN114541943B - But quick replacement's fire control prevents fire door - Google Patents

But quick replacement's fire control prevents fire door Download PDF

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Publication number
CN114541943B
CN114541943B CN202210076393.9A CN202210076393A CN114541943B CN 114541943 B CN114541943 B CN 114541943B CN 202210076393 A CN202210076393 A CN 202210076393A CN 114541943 B CN114541943 B CN 114541943B
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China
Prior art keywords
plate
door
sliding
rotating
rotating plate
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CN202210076393.9A
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Chinese (zh)
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CN114541943A (en
Inventor
柯柏林
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Shijiazhuang Fortune Building Materials Wood Co ltd
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Shijiazhuang Fortune Building Materials Wood Co ltd
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Priority to CN202210076393.9A priority Critical patent/CN114541943B/en
Publication of CN114541943A publication Critical patent/CN114541943A/en
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    • EFIXED CONSTRUCTIONS
    • E06DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL; LADDERS
    • E06BFIXED OR MOVABLE CLOSURES FOR OPENINGS IN BUILDINGS, VEHICLES, FENCES OR LIKE ENCLOSURES IN GENERAL, e.g. DOORS, WINDOWS, BLINDS, GATES
    • E06B5/00Doors, windows, or like closures for special purposes; Border constructions therefor
    • E06B5/10Doors, windows, or like closures for special purposes; Border constructions therefor for protection against air-raid or other war-like action; for other protective purposes
    • E06B5/16Fireproof doors or similar closures; Adaptations of fixed constructions therefor
    • EFIXED CONSTRUCTIONS
    • E06DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL; LADDERS
    • E06BFIXED OR MOVABLE CLOSURES FOR OPENINGS IN BUILDINGS, VEHICLES, FENCES OR LIKE ENCLOSURES IN GENERAL, e.g. DOORS, WINDOWS, BLINDS, GATES
    • E06B3/00Window 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
    • E06B3/70Door leaves
    • EFIXED CONSTRUCTIONS
    • E06DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL; LADDERS
    • E06BFIXED OR MOVABLE CLOSURES FOR OPENINGS IN BUILDINGS, VEHICLES, FENCES OR LIKE ENCLOSURES IN GENERAL, e.g. DOORS, WINDOWS, BLINDS, GATES
    • E06B3/00Window 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
    • E06B3/70Door leaves
    • E06B2003/7011Door leaves with easily replaceable or interchangeable panels

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

Abstract

The invention relates to a fire-fighting fireproof door, in particular to a fire-fighting fireproof door capable of being replaced quickly. The invention provides a fire-fighting fireproof door which is convenient to install and disassemble and can be replaced quickly. A quick-change fire door comprising: the door frame and the replacement mechanism are arranged on the door frame; the left side of the replacement mechanism is rotatably provided with a first door plate; the right side of the replacing mechanism is rotatably provided with a second door plate, and the first door plate and the second door plate can be detached; the door lock is arranged in the middle of the left side of the second door plate; and the lower part of the door frame is provided with a locking mechanism. After closing first door plant and second door plant, lock first door plant and second door plant through the lock, can block fire and smog in the rear, reach the effect of fire prevention, and through upwards promoting first slide, can pull down first door plant or second door plant fast, conveniently change it.

Description

But quick replacement's fire control prevents fire door
Technical Field
The invention relates to a fire-fighting fireproof door, in particular to a fire-fighting fireproof door capable of being replaced quickly.
Background
Fire emergency channels are usually required to be established in some large shops or high-temperature operation working areas, and fire doors are usually required to be installed at the channels, so that fire and smoke can be prevented from spreading in a certain time when a fire disaster occurs, and escape time is further obtained for personnel in the disaster area.
Patent application CN208184597U, publication day 20181204 discloses a fire-fighting fireproof door, including main part, exhaust port, threshold and composite bed, the outside of main part is provided with the door frame, and the inside of main part is settled there is the observation window, the inner wall of door frame is provided with the sealing washer, and the outside of door frame is settled there is the base member, the outer wall swing joint of main part has the door-hinge, and the inboard of main part is fixed with the handle, the exhaust port sets up in the inside of main part, and the inboard of main part is settled there is the sealing layer, the threshold is installed in the bottom of main part, and the inboard of main part is provided with the flame retardant coating, the supporting layer is settled to the bottom of flame retardant coating. This fire-fighting fireproof door is provided with the main part, and the outer wall of main part laminating mutually with the inboard of door frame, through the combined action of main part and door frame, blocks the operation to the conflagration, avoids the intensity of a fire to spread to the safe area to under the effect of the sealing washer of door frame inner wall, can carry out separation to the smog of scene of a fire and handle, ensure that smog is difficult for getting into the safe area, influence people's breathing. Although this fire-fighting fireproof door can prevent fires the smoke protection, when the main part of preventing fires the door is destroyed, the staff can not dismantle the main part from the door frame fast and in time change.
In view of the above, a new rapid-replaceable fire-fighting fireproof door which is convenient to install and disassemble is developed to solve the problems, and the rapid-replaceable fire-fighting fireproof door has important significance for improving the existing fire-fighting fireproof door.
Disclosure of Invention
In order to overcome the defect that the fire-fighting fireproof door cannot be quickly replaced, the technical problem to be solved is that: the quick-replaceable fire-fighting fireproof door is convenient to install and detach.
The technical scheme of the invention is as follows: a quick-change fire door comprising:
the door frame and the replacement mechanism are arranged on the door frame;
the left side of the replacement mechanism is rotatably provided with a first door plate;
the right side of the replacing mechanism is rotatably provided with a second door plate, and the first door plate and the second door plate can be detached;
The door lock is arranged in the middle of the left side of the second door plate;
And the lower part of the door frame is provided with a locking mechanism.
In a preferred embodiment of the invention, the exchange mechanism comprises:
the left side and the right side of the inner upper part of the door frame are provided with the first sliding plate in a sliding manner;
The first springs are connected between the first sliding plates and the door frame;
the left side and the right side of the front lower part of the door frame are respectively provided with a first fixing rod;
the first rotating plate is arranged on the first fixing rod in a rotating mode.
In a preferred embodiment of the present invention, the locking mechanism comprises:
The left side and the right side of the lower part of the door frame are internally provided with the second sliding plate in a sliding manner;
the front end of the second sliding plate is provided with a second rotating plate in a rotating way;
And the front part of the second sliding plate is wound with the second spring, and two ends of the second spring are respectively connected with the door frame and the second sliding plate.
In a preferred embodiment of the present invention, the present invention further comprises an opening and closing mechanism, the opening and closing mechanism comprises:
the first door plate and the inner side of the front part of the second door plate are respectively provided with a second fixing rod;
The upper part and the lower part of the second fixed rod are both provided with the third sliding plate in a sliding manner;
and the third springs are connected between the third sliding plates and the second fixing rods.
In a preferred embodiment of the present invention, the present invention further comprises a full-open mechanism, wherein the full-open mechanism comprises:
The first fixing plate is arranged in the middle of the inner sides of the first door plate and the second door plate;
The inner side of the first fixed plate is provided with a third rotating plate in a rotating way;
The upper side and the lower side of the second fixing rod are respectively provided with a fixing ring;
The fixed rings are respectively connected with a pull rope in a sliding way, and two ends of the pull rope are respectively connected with a third rotating plate and a third sliding plate which are adjacent to the same side;
The first torsion spring is wound on the upper side and the lower side of the third rotating plate, and two ends of the first torsion spring are respectively connected with the third rotating plate and the first fixing plate.
In a preferred embodiment of the present invention, the explosion-proof device further comprises an explosion-proof mechanism, wherein the explosion-proof mechanism comprises:
The middle parts of the left side and the right side of the door frame are respectively provided with a third fixing rod;
the fourth rotating plate is rotationally arranged on the third fixing rod;
the side, far away from the third fixed rod, of the fourth rotating plate is provided with a fourth sliding plate in a sliding manner;
the outer ends of the second fixing plates and the third rotating plates are respectively provided with a second fixing plate;
The outer sides of the first fixing plates are provided with fifth sliding plates in a sliding mode;
The fifth rotating plate is rotationally connected between the second fixed plate and the fifth sliding plate on the same side;
and a fourth spring is connected between each adjacent fourth rotating plate and each fourth sliding plate.
In a preferred embodiment of the present invention, there is further included an anti-lock mechanism comprising:
a fourth fixed rod is arranged at the rear side of the middle upper part of the door frame;
the sixth rotating plate is rotatably arranged at the lower part of the fourth fixed rod;
the second torsion spring is wound on the upper part of the fourth fixed rod, and two ends of the second torsion spring are respectively connected with the door frame and the sixth rotating plate;
The roller is rotatably arranged at the outer end of the sixth rotating plate.
In a preferred embodiment of the present invention, the door lock is capable of locking a first door panel and a second door panel, wherein the first door panel and the second door panel are made of high temperature resistant materials, and door handles are arranged at the rear parts of the first door panel and the second door panel.
By adopting the technical scheme, the invention has at least the following advantages: 1. after the first door plate and the second door plate are closed, the first door plate and the second door plate are locked through the door lock, so that fire and smoke can be blocked at the rear, the fireproof effect is achieved, and the first door plate or the second door plate can be quickly detached by pushing the first sliding plate upwards, so that the first door plate or the second door plate is convenient to replace;
2. the second rotating plate can be blocked at the front side of the first rotating plate, so that the first rotating plate is locked, the first rotating plate is prevented from being easily rotated and opened, and further the first door plate and the second door plate are further firmly locked, and the double-insurance effect is achieved;
3. when the third sliding plate is clamped into the corresponding clamping hole, the first door plate and the second door plate are further locked, so that triple safety effect is achieved, and fireproof effect is enhanced;
4. the first door plate and the second door plate are easily and simultaneously opened by directly and simultaneously forward breaking the two third rotating plates, so that the operation is simple, labor-saving and convenient;
5. after the first door plate and the second door plate are closed, people enable the fourth sliding plate and the fifth sliding plate on the same side to be mutually meshed, so that the first door plate and the second door plate are firmly locked again, an explosion-proof effect is achieved, and the first door plate and the second door plate are prevented from being exploded due to overlarge impact force of an explosion event;
6. The roller can prevent the second door panel from being locked under the influence of external force, so that the success rate of escape from fire is improved.
Drawings
Fig. 1 is a schematic overall perspective view of the present invention.
Fig. 2 is a schematic overall perspective view of the replacement mechanism of the present invention.
Fig. 3 is a schematic perspective view of a first part of the exchanging mechanism of the present invention.
Fig. 4 is a schematic perspective view of a second part of the exchange mechanism of the present invention.
Fig. 5 is a schematic perspective view of the locking mechanism of the present invention.
Fig. 6 is a schematic view of a part of a perspective structure of the locking mechanism of the present invention.
Fig. 7 is a schematic overall perspective view of the opening and closing mechanism of the present invention.
Fig. 8 is a schematic view of a partially cut-away perspective structure of the opening and closing mechanism of the present invention.
Fig. 9 is an enlarged schematic view of the invention at a.
Fig. 10 is a schematic overall perspective view of the fully-opened mechanism of the present invention.
FIG. 11 is a schematic view of a partially cut-away perspective of the fully open mechanism of the present invention.
Fig. 12 is an enlarged schematic view of the invention at B.
Fig. 13 is a schematic overall perspective view of the explosion-proof mechanism of the present invention.
Fig. 14 is a schematic view of a partially cut-away perspective of an explosion-proof mechanism of the present invention.
FIG. 15 is an enlarged schematic view of the present invention at C.
Fig. 16 is a schematic overall perspective view of the anti-lock mechanism of the present invention.
Fig. 17 is a schematic view of a partial perspective view of an anti-lock mechanism according to the present invention.
Wherein the above figures include the following reference numerals: 1. door frame, 2, first door panel, 3, second door panel, 4, door lock, 5, replacement mechanism, 51, first slide, 52, first spring, 53, first rotating plate, 54, first fixed lever, 6, locking mechanism, 61, second rotating plate, 62, second slide, 63, second spring, 7, opening and closing mechanism, 71, second fixed lever, 72, third slide, 73, third spring, 8, full opening mechanism, 81, first fixed plate, 82, third rotating plate, 83, fixed ring, 84, draw cord, 85, first torsion spring, 9, explosion-proof mechanism, 91, third fixed lever, 92, fourth rotating plate, 93, fourth slide, 94, second fixed plate, 95, fifth rotating plate, 96, fifth slide, 97, fourth spring, 10, anti-lock mechanism, 101, sixth rotating plate, 102, fourth fixed lever, 103, second torsion spring, 104, roller.
Detailed Description
Although the invention may be described with respect to a particular application or industry, those skilled in the art will recognize the broader applicability of the invention. Those of ordinary skill in the art will recognize such things as: terms such as above, below, upward, downward, etc. are used for describing the drawings, and do not represent limitations upon the scope of the present invention defined by the appended claims. Such as: any numerical designation of the first or second, etc. is merely exemplary and is not intended to limit the scope of the present invention in any way.
Example 1
But quick replacement's fire control fire door, as shown in FIG. 1, including door frame 1, first door plant 2, second door plant 3, lock 4, change mechanism 5 and locking mechanical system 6, be equipped with on the door frame 1 and change mechanism 5, change mechanism 5 left side rotation formula detachably is equipped with first door plant 2, change mechanism 5 right side rotation formula detachably is equipped with second door plant 3, second door plant 3 left side middle part is equipped with lock 4 through the mode of bolt, lock 4 can lock first door plant 2 and second door plant 3, first door plant 2 and second door plant 3 are high temperature resistant material, first door plant 2 and second door plant 3 rear portion all are equipped with the door knob through the mode of screw, door frame 1 lower part is equipped with locking mechanical system 6.
As shown in fig. 2, 3 and 4, the replacing mechanism 5 includes a first sliding plate 51, a first spring 52, a first rotating plate 53 and a first fixing rod 54, the first sliding plate 51 is slidably disposed on the left side and the right side of the inner upper portion of the door frame 1, the first door plate 2 can be rotatably clamped into the first sliding plate 51 on the left side, the second door plate 3 can be rotatably clamped into the first sliding plate 51 on the right side, the first spring 52 is connected between the first sliding plate 51 and the door frame 1, the first fixing rod 54 is disposed on the left side and the right side of the front lower portion of the door frame 1 in a fixed manner, the first rotating plate 53 is rotatably disposed on the first fixing rod 54, the first door plate 2 can be fixed on the first rotating plate 53 on the left side, and the second door plate 3 can be fixed on the first rotating plate 53 on the right side.
As shown in fig. 5 and 6, the locking mechanism 6 includes a second rotating plate 61, a second sliding plate 62 and a second spring 63, the left and right sides of the lower portion of the door frame 1 are provided with the second sliding plate 62 in a sliding manner, the front end of the second sliding plate 62 is provided with the second rotating plate 61 in a rotating manner, the left and right sides of the lower portion of the door frame 1 are provided with strip-shaped grooves, the second rotating plate 61 can be clamped into the adjacent strip-shaped grooves, the damping coefficient between the second rotating plate 61 and the second sliding plate 62 is large, the second rotating plate 61 is located outside the first rotating plate 53, the second rotating plate 61 rotates to block the adjacent first rotating plate 53, the front portion of the second sliding plate 62 is provided with the second spring 63 in a winding manner, and two ends of the second spring 63 are respectively connected with the door frame 1 and the second sliding plate 62.
This is a fire-fighting fireproof door which can be quickly replaced, the fireproof door can be installed at fire-fighting access openings requiring fire prevention everywhere through the door frame 1, under normal conditions, the first door plate 2 and the second door plate 3 are both in an open state, when a fire disaster occurs, people escape to the front from behind the first door plate 2 and the second door plate 3 across the door frame 1, then the first door plate 2 and the second door plate 3 are closed by rotating backwards, the door lock 4 locks the first door plate 2 and the second door plate 3, so that the first door plate 2 and the second door plate 3 can block fire and smoke at the rear, after the first door plate 2 and the second door plate 3 are locked, the first rotating plate 53 is rotated upwards, the first door plate 2 and the lower part of the second door plate 3 are blocked by the first rotating plate 53, the second rotating plate 61 is pulled forwards again, the second sliding plate 62 is driven to slide forwards by the second spring 63, when the second rotating plate 61 is separated from the strip-shaped groove, the second rotating plate 61 is rotated again, so that the second rotating plate 61 can be blocked at the front side of the first rotating plate 53, thus, the first rotating plate 53 is locked, the first rotating plate 53 is prevented from being easily rotated to be opened, further the first door plate 2 and the second door plate 3 are further firmly locked, the double safety effect is achieved, the first door plate 2 and the second door plate 3 are prevented from being exploded due to explosion impact event caused by fire, after fire is extinguished, people open the door lock 4 by using a key, the door lock 4 is prevented from locking the first door plate 2 and the second door plate 3, the second rotating plate 61 is rotated again, the second rotating plate 61 is prevented from blocking the first rotating plate 53, the second rotating plate 61 is released, the second spring 63 is reset to drive the second sliding plate 62 to slide backwards, the second sliding plate 62 is driven to be backwards moved to be clamped into the strip-shaped groove, then the first rotating plate 53 is downwards, so that the first rotating plate 53 no longer blocks the lower parts of the first door plate 2 and the second door plate 3, and can rotate forward to open the first door plate 2 and the second door plate 3, when the first door plate 2 and the second door plate 3 are burnt or damaged, people push the first sliding plate 51 upwards, the first spring 52 is compressed, when the first sliding plate 51 is separated from the first door plate 2 or the second door plate 3, the first door plate 2 or the second door plate 3 can be quickly detached, and then after the new first door plate 2 or the new second door plate 3 is aligned with the corresponding first sliding plate 51, the first sliding plate 51 is released, the first spring 52 resets to drive the corresponding first sliding plate 51 to slide downwards to insert the first door plate 2 or the second door plate 3, so that the effect of quickly replacing the first door plate 2 and the second door plate 3 can be realized, and the method is simple and convenient.
Example 2
On the basis of embodiment 1, as shown in fig. 1, 7, 8 and 9, the door frame further comprises an opening and closing mechanism 7, the opening and closing mechanism 7 comprises a second fixing rod 71, a third sliding plate 72 and a third spring 73, the inner sides of the front parts of the first door plate 2 and the second door plate 3 are respectively provided with the second fixing rod 71 in a welding mode, the upper part and the lower part of the second fixing rod 71 are respectively provided with the third sliding plate 72 in a sliding mode, clamping holes are symmetrically formed in the upper side and the lower side of the door frame 1, the third sliding plates 72 on the upper side and the lower side can respectively clamp the clamping holes corresponding to the door frame 1, and the third springs 73 are connected between the third sliding plates 72 and the second fixing rods 71.
In the process of closing the first door plate 2 and the second door plate 3, the second fixing rod 71, the third sliding plate 72 and the third spring 73 integrally move backwards along with the second fixing rod, when the third sliding plate 72 is in contact with the door frame 1, the door frame 1 presses the third sliding plate 72 to slide inwards along the second fixing rod 71, the third spring 73 is compressed, when the third sliding plate 72 corresponds to the clamping hole, the third spring 73 resets to drive the third sliding plate 72 to slide outwards, the third sliding plate 72 is clamped into the corresponding clamping hole, the first door plate 2 and the second door plate 3 are further locked, the triple safety effect is achieved, when the door lock 4 is required to be opened by a key, people sequentially pull the third sliding plates 72 on the left side and the right side inwards, the third sliding plates 72 on the two sides are combined with the clamp Kong Buka, and then sequentially pull the second fixing rods 71 on the left side and the right side forwards, and the first door plate 2 and the second door plate 3 are sequentially opened.
As shown in fig. 1, 10, 11 and 12, the full-open mechanism 8 is further included, the full-open mechanism 8 includes a first fixing plate 81, a third rotating plate 82, a fixing ring 83, a pull rope 84 and a first torsion spring 85, the middle parts of the inner sides of the first door panel 2 and the second door panel 3 are respectively provided with the first fixing plate 81 in a fixing manner, the inner sides of the first fixing plate 81 are respectively provided with the third rotating plate 82 through bearings, the upper side and the lower side of the second fixing rod 71 are respectively provided with the fixing ring 83, the fixing ring 83 is respectively connected with the pull rope 84 in a sliding manner, the pull rope 84 is made of fireproof materials, two ends of the pull rope 84 are respectively connected with the third rotating plate 82 and the third sliding plate 72 adjacent to the same side, the upper side and the lower side of the third rotating plate 82 are respectively wound with the first torsion spring 85, and two ends of the first torsion spring 85 are respectively connected with the third rotating plate 82 and the first fixing plate 81.
When the first door panel 2 and the second door panel 3 are opened, as the operations of respectively pulling the upper and lower third sliding plates 72 inwards are troublesome and inconvenient, people can directly and simultaneously pull the two third rotating plates 82 forwards, the first torsion spring 85 is in torsion deformation, the third rotating plates 82 simultaneously pull the third sliding plates 72 inwards through the pull ropes 84, and when the third sliding plates 72 are separated from the clamping holes, the second fixing rods 71 on the left and right sides are simultaneously pulled forwards, so that the first door panel 2 and the second door panel 3 are easily opened simultaneously, the third rotating plates 82 are released again, the first torsion spring 85 is reset to drive the third rotating plates 82 to rotate backwards for reset, the third rotating plates 82 are not tensioned with the pull ropes 84, and the third sliding plates 72 are outwards slid for reset under the action of the third springs 73, so that the operation that the first door panel 2 and the second door panel 3 are opened is simple and convenient.
As shown in fig. 1, 13, 14 and 15, the explosion-proof mechanism 9 further comprises an explosion-proof mechanism 9, the explosion-proof mechanism 9 comprises a third fixing rod 91, a fourth rotating plate 92, a fourth sliding plate 93, a second fixing plate 94, a fifth rotating plate 95, a fifth sliding plate 96 and a fourth spring 97, the middle parts of the left side and the right side of the door frame 1 are welded with the third fixing rod 91, the third fixing rod 91 is provided with the fourth rotating plate 92 through bearings, one side, far away from the third fixing rod 91, of the fourth rotating plate 92 is provided with the fourth sliding plate 93 in a sliding mode, the outer end of the third rotating plate 82 is provided with the second fixing plate 94, the outer side of the first fixing plate 81 is provided with the fifth sliding plate 96 in a sliding mode, the fourth sliding plate 93 and the fifth sliding plate 96 on the same side can be mutually meshed, the second fixing plate 94 and the fifth sliding plate 96 on the same side are connected with the fifth rotating plate 95 in a rotating mode, and the fourth spring 97 is connected between the fourth rotating plate 92 and the fourth sliding plate 93 which are adjacent.
After the first door panel 2 and the second door panel 3 are closed, people pull the fourth sliding plate 93 outwards, the fourth spring 97 deforms, the fourth sliding plate 92 on the left side and the right side rotates to a horizontal state in the direction close to the fifth sliding plate 96, the fourth sliding plate 93 on the same side and the fifth sliding plate 96 are meshed with each other, so that the first door panel 2 and the second door panel 3 are firmly locked again, an explosion-proof effect is achieved, the first door panel 2 and the second door panel 3 are prevented from being exploded due to the fact that the impact force of an explosion event is too large, when the two third sliding plates 82 are broken forwards, the second fixed plate 94 rotates along with the third sliding plate 82, the second fixed plate 94 drives the fifth sliding plate 96 to slide outwards along the first fixed plate 81 through the fifth sliding plate 95, the fifth sliding plate 96 is separated from the fourth sliding plate 93, the fourth sliding plate 92 rotates downwards to a vertical state under the action of gravity, meanwhile, the fourth spring 97 resets to drive the fourth sliding plate 93 to slide inwards along the fourth sliding plate 92, and when the third sliding plate 82 resets along the second fixed plate 94 to the fifth sliding plate 94, and the second sliding plate 94 slides inwards along the fifth fixed plate 82.
As shown in fig. 1, 16 and 17, the anti-lock mechanism 10 is further included, the anti-lock mechanism 10 includes a sixth rotating plate 101, a fourth fixing rod 102, a second torsion spring 103 and a roller 104, the fourth fixing rod 102 is disposed at the rear side of the upper portion of the door frame 1, the sixth rotating plate 101 is disposed at the lower portion of the fourth fixing rod 102 through a bearing, the second torsion spring 103 is wound around the upper portion of the fourth fixing rod 102, two ends of the second torsion spring 103 are respectively connected with the door frame 1 and the sixth rotating plate 101, the roller 104 is rotatably disposed at the outer end of the sixth rotating plate 101, and the roller 104 can prevent the second door panel 3 from being easily closed.
The roller 104 can block the second door panel 3 without being influenced by external force, the second door panel 3 is prevented from being turned back to be closed at will, thereby avoiding that after the first door panel 2 and the second door panel 3 are closed, rear escape personnel cannot escape to the front of the door frame 1, after all escape personnel escape to the front of the door frame 1, after the first door panel 2 is closed, people push the second door panel 3 backwards by using force, the second door panel 3 drives the sixth rotating plate 101 to rotate backwards around the fourth fixed rod 102 through the roller 104, the second torsion spring 103 is torsionally deformed, the second door panel 3 can be closed, after the second door panel 3 is unlocked, the second torsion spring 103 is reset to drive the sixth rotating plate 101 to swing forwards, and the sixth rotating plate 101 pushes the second door panel 3 to slightly rotate forwards by a certain angle through the roller 104, so that the second door panel 3 is in an opened state, the second door panel 3 can be prevented from being locked, and the success rate of people escaping from fire is improved.
It will be appreciated by persons skilled in the art that the above embodiments are not intended to limit the invention in any way, and that all technical solutions obtained by means of equivalent substitutions or equivalent transformations fall within the scope of the invention.

Claims (4)

1. A quick-change fire door, comprising:
The door comprises a door frame (1) and a replacement mechanism (5), wherein the replacement mechanism (5) is arranged on the door frame (1);
The first door plate (2) is rotatably arranged on the left side of the replacement mechanism (5);
The second door plate (3) is rotatably arranged on the right side of the replacing mechanism (5), and the first door plate (2) and the second door plate (3) can be detached;
The door lock (4) is arranged in the middle of the left side of the second door panel (3);
a locking mechanism (6), wherein the lower part of the door frame (1) is provided with the locking mechanism (6);
The replacement mechanism (5) comprises:
the left side and the right side of the inner upper part of the door frame (1) are provided with the first sliding plate (51) in a sliding manner;
the first springs (52), and the first sliding plates (51) are connected with the first springs (52) between the door frames (1);
The left side and the right side of the front lower part of the door frame (1) are respectively provided with a first fixed rod (54);
the first rotating plates (53) are rotatably arranged on the first fixing rods (54);
the locking mechanism (6) comprises:
the second sliding plate (62) is arranged on the left side and the right side of the lower part of the door frame (1) in a sliding manner, and the second sliding plate (62) is arranged on the left side and the right side of the lower part of the door frame;
The second rotating plate (61), the front end of the second sliding plate (62) is provided with the second rotating plate (61) in a rotating way;
The second springs (63) are wound on the front parts of the second sliding plates (62), and two ends of each second spring (63) are respectively connected with the door frame (1) and the second sliding plates (62); when a fire disaster happens, people firstly rotate the first rotating plate (53) upwards after locking the first door plate (2) and the second door plate (3), so that the first rotating plate (53) is clamped at the lower parts of the first door plate (2) and the second door plate (3), then the second rotating plate (61) is pulled forwards, the second rotating plate (61) drives the second sliding plate (62) to slide forwards, the second spring (63) is stretched, when the second rotating plate (61) is separated from the strip-shaped groove, the second rotating plate (61) is rotated again, the second rotating plate (61) can be blocked at the front side of the first rotating plate (53), the first rotating plate (53) is locked, the first rotating plate (53) is prevented from being easily rotated to be opened, the first door plate (2) and the second door plate (3) are further firmly locked, explosion and impact events caused by the fire disaster are prevented from causing the first door plate (2) and the second door plate (3) to be exploded, after the fire disaster is extinguished, people use the unlocking key (4) to enable the second door lock (4) to be prevented from locking the second door plate (62) and the second door plate (62) to be driven to rotate backwards, the second rotating plate (61) is prevented from being moved backwards, the second rotating plate (61) is prevented from being slid backwards, and the second door lock (61) is prevented from moving backwards, the second rotating plate (61) is prevented from being moved backwards, then the first rotating plate (53) is rotated downwards, so that the first rotating plate (53) does not clamp the lower parts of the first door plate (2) and the second door plate (3) any more, the first door plate (2) and the second door plate (3) can be rotated forwards to be opened, when the first door plate (2) and the second door plate (3) are burnt or damaged by fire, people push the first sliding plate (51) upwards, the first spring (52) is compressed, when the first sliding plate (51) is separated from the first door plate (2) or the second door plate (3), the first door plate (2) or the second door plate (3) can be quickly detached, then after the new first door plate (2) or the new second door plate (3) is aligned with the corresponding first sliding plate (51), the first sliding plate (51) is released, and the first spring (52) is reset to drive the corresponding first sliding plate (51) to slide downwards to be inserted into the first door plate (2) or the second door plate (3);
the utility model also comprises an opening and closing mechanism (7), and the opening and closing mechanism (7) comprises:
The second fixing rod (71) is arranged on the inner sides of the front parts of the first door plate (2) and the second door plate (3);
A third sliding plate (72), wherein the upper part and the lower part of the second fixed rod (71) are provided with the third sliding plate (72) in a sliding manner;
The third springs (73), the third slide plate (72) and the second fixed rod (71) are connected with the third springs (73);
the utility model also comprises a full-open mechanism (8), and the full-open mechanism (8) comprises:
The first fixing plate (81) is arranged in the middle of the inner sides of the first door plate (2) and the second door plate (3);
the third rotating plate (82), the inside of the first fixed plate (81) is provided with the third rotating plate (82) in a rotating way;
the fixing rings (83) are arranged on the upper side and the lower side of the second fixing rod (71); the pull ropes (84) are connected to the fixing rings (83) in a sliding manner, and two ends of each pull rope (84) are respectively connected with a third rotating plate (82) and a third sliding plate (72) which are adjacent to each other on the same side;
The first torsion spring (85) is wound on the upper side and the lower side of the third rotating plate (82), and two ends of the first torsion spring (85) are respectively connected with the third rotating plate (82) and the first fixing plate (81).
2. A quick-change fire door as claimed in claim 1, further comprising an explosion-proof mechanism (9), the explosion-proof mechanism (9) comprising:
the third fixing rods (91) are arranged in the middle of the left side and the right side of the door frame (1);
The fourth rotating plate (92) is rotatably arranged on the third fixing rod (91);
a fourth sliding plate (93), wherein the fourth sliding plate (93) is arranged on one side of the fourth rotating plate (92) far away from the third fixed rod (91) in a sliding manner;
The outer ends of the second fixing plates (94) and the third rotating plates (82) are respectively provided with a second fixing plate (94);
A fifth sliding plate (96), wherein the fifth sliding plate (96) is arranged on the outer side of the first fixed plate (81) in a sliding manner;
A fifth rotating plate (95) is rotatably connected between the second fixed plate (94) and the fifth sliding plate (96) at the same side, and the fifth rotating plate (95) is rotatably connected between the second fixed plate and the fifth sliding plate;
And a fourth spring (97) is connected between each adjacent fourth rotating plate (92) and fourth sliding plate (93), and the fourth springs (97) are connected between the adjacent fourth rotating plates (92) and the fourth sliding plate.
3. A quick-change fire door as claimed in claim 2, further comprising an anti-lock mechanism (10), the anti-lock mechanism (10) comprising:
A fourth fixed rod (102), the rear side of the upper part of the door frame (1) is provided with the fourth fixed rod (102); a sixth rotating plate (101), wherein the sixth rotating plate (101) is rotatably arranged at the lower part of the fourth fixed rod (102);
The second torsion spring (103) is wound on the upper part of the fourth fixed rod (102), and two ends of the second torsion spring (103) are respectively connected with the door frame (1) and the sixth rotating plate (101);
The roller (104) is rotatably arranged at the outer end of the sixth rotating plate (101).
4. A quick-change fire door as claimed in claim 1, characterized in that the door lock (4) is adapted to lock the first door panel (2) and the second door panel (3), the first door panel (2) and the second door panel (3) being of a high-temperature resistant material, the rear parts of the first door panel (2) and the second door panel (3) being provided with door handles.
CN202210076393.9A 2022-01-24 2022-01-24 But quick replacement's fire control prevents fire door Active CN114541943B (en)

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Application Number Priority Date Filing Date Title
CN202210076393.9A CN114541943B (en) 2022-01-24 2022-01-24 But quick replacement's fire control prevents fire door

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Application Number Priority Date Filing Date Title
CN202210076393.9A CN114541943B (en) 2022-01-24 2022-01-24 But quick replacement's fire control prevents fire door

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CN114541943B true CN114541943B (en) 2024-05-31

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Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108571266A (en) * 2018-03-19 2018-09-25 杭州富阳富腾人防设备有限公司 A kind of biparting people's air defense door of movable sill formula
CN209621121U (en) * 2018-12-27 2019-11-12 耿骏彦 A kind of novel double anti-fire doors
CN210798747U (en) * 2019-06-25 2020-06-19 河南中沃消防科技股份有限公司 Plug-in type does not have welded fire door
CN113006656A (en) * 2021-03-10 2021-06-22 陈爱霞 High-efficient protection building door

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108571266A (en) * 2018-03-19 2018-09-25 杭州富阳富腾人防设备有限公司 A kind of biparting people's air defense door of movable sill formula
CN209621121U (en) * 2018-12-27 2019-11-12 耿骏彦 A kind of novel double anti-fire doors
CN210798747U (en) * 2019-06-25 2020-06-19 河南中沃消防科技股份有限公司 Plug-in type does not have welded fire door
CN113006656A (en) * 2021-03-10 2021-06-22 陈爱霞 High-efficient protection building door

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