CN214659767U

CN214659767U - Push-face flat-open fireproof door

Info

Publication number: CN214659767U
Application number: CN202022890202.1U
Authority: CN
Inventors: 王太林; 朱祖浪
Original assignee: Zhejiang Junhe Industry And Trade Co ltd
Current assignee: Zhejiang Sofu Lvjian Industrial Co ltd
Priority date: 2020-12-03
Filing date: 2020-12-03
Publication date: 2021-11-09
Anticipated expiration: 2030-12-03

Abstract

The utility model discloses a push away a flat-open and prevent fire door, including door frame and threshold, the fixed door frame that is equipped with in threshold both ends, the equidistance is equipped with the hinge on the door frame, the door frame has female door leaf and sub-door leaf through the hinge is articulated, the fixed block that is equipped with of one end of threshold, be equipped with fixed ear on the fixed block, the fixed block rotates through fixed ear and is connected with the connecting rod, the slip chamber has been seted up to one side of female door leaf bottom, the slip intracavity is equipped with the limiting plate, the one end in slip chamber is equipped with first permanent magnet, be equipped with the slide bar between limiting plate and the first permanent magnet, sliding connection has the slider on the slide bar, the one end of slider is equipped with the second permanent magnet, the other end of threshold is equipped with stop gear. Has the advantages that: through canceling release mechanical system, can be automatic close preventing fire door, can effectually avoid when emergency such as conflagration breaks out, people forget to close preventing fire door and lead to the intensity of a fire to stretch when sparse, can improve the security greatly.

Description

Push-face flat-open fireproof door

Technical Field

The utility model relates to a prevent fire door field, particularly, relate to a push away a flat-open and prevent fire door.

Background

A fire door is a door that can meet the requirements of fire stability, integrity and thermal insulation within a certain period of time. It is a fire-proof partition with certain fire resistance, which is arranged in fire-proof subareas, evacuation staircases, vertical shafts and the like. The fireproof door has the functions of a common door, has the functions of preventing the fire from spreading and the smoke from diffusing, and can prevent the fire from spreading within a certain time to ensure the evacuation of people.

When the existing side-hung fireproof door is used, the door cannot be automatically closed after being opened, and when emergency such as fire occurs, people may forget to close the fireproof door in a hurry during evacuation, so that fire spreading can be accelerated, harm is caused to people, and people escape is influenced.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a push away a flat-open and prevent fire door to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme:

a push-face flat-open fireproof door comprises a door frame and a door threshold, wherein door frames are fixedly arranged at two ends of the door threshold, hinges are arranged on the door frames at equal intervals, one door frame is hinged with a primary door leaf through the hinges, the other door frame is hinged with a secondary door leaf through the hinges, the primary door leaf is matched with the secondary door leaf, a cavity is formed in one end of the door threshold, a fixed block is fixedly arranged in the cavity, a fixed lug is arranged on the fixed block, the fixed block is rotatably connected with a connecting rod through the fixed lug, a sliding cavity is formed in one side of the bottom end of the primary door leaf, a limiting plate is fixedly arranged in the sliding cavity, a containing groove is formed in one end of the limiting plate and one end of the sliding cavity, the containing groove is matched with the fixed block, a first permanent magnet is fixedly arranged on the side wall of one end, away from the containing groove, of the sliding cavity, a sliding rod is fixedly arranged between the limiting plate and the first permanent magnet, the sliding connection has the slider on the slide bar, the connecting rod is kept away from the one end fixed connection of fixed ear the slider, the slider with fixed reset spring that is equipped with between the limiting plate, the slider is kept away from reset spring's one end is equipped with the second permanent magnet, the other end of threshold is equipped with stop gear.

Furthermore, heat-resisting sealing strips are arranged among the primary door leaf, the secondary door leaf, the door frame and the doorsill.

Further, the first permanent magnet and the second permanent magnet are opposite in magnetism.

Furthermore, the female door leaf is provided with a groove, and a glass window is embedded in the groove.

Furthermore, the limiting mechanism comprises a sliding groove formed in the bottom end of the doorsill, a guide rod is connected in the sliding groove in a sliding mode, the guide rod penetrates through the sliding groove and extends to the inside of the doorsill to be fixedly provided with a T-shaped limiting block, limiting grooves are formed in the bottom end of the sub door leaf and the doorsill, the two limiting grooves are communicated, and the limiting grooves are matched with the T-shaped limiting block.

Furthermore, a locking mechanism is arranged between the female door leaf and the sub door leaf, a handle is fixedly arranged in the middle of one end of the female door leaf, a lock cylinder is arranged at the bottom end of the handle, and the handle and the lock cylinder are matched with the locking mechanism.

Compared with the prior art, the utility model discloses following beneficial effect has:

(1) when the anti-fire door is used, the female door leaf is pushed, the connecting rod on the inner fixing lug of the doorsill starts to rotate at the moment, the sliding block in the female door leaf is driven to slide on the sliding rod, the first permanent magnet and the second permanent magnet are stressed to be separated, meanwhile, the return spring between the limiting plate and the sliding block is stressed to be compressed, the female door leaf is opened under the action of the hinge, after a person leaves, if the person forgets to close the female door leaf, the first permanent magnet and the second permanent magnet attract each other, and under the action of elastic potential energy generated when the return spring contracts, the return spring resets, the sliding block is driven to move on the sliding rod to drive the connecting rod to rotate, the female door leaf resets under the action of the hinge, the fixing block and the fixing lug enter the containing groove to be closed, fire prevention is further realized, the anti-fire door can be automatically closed, and emergency situations such as fire disasters can be effectively avoided, people forget to close the fireproof door when evacuating, so that the fire spread is caused, and the safety can be greatly improved.

(2) The utility model discloses a fire door, including female door leaf, sub-door leaf, door frame and threshold, all be equipped with heat-resisting sealing strip between door frame and the threshold, the leakproofness of preventing fire door is prevented to improvement that can be great, prevent intensity of a fire and flue gas diffusion, improve the security performance greatly, glass window has been inlayed on female door leaf, can observe its intensity of a fire condition through glass window, be equipped with handle and lock core on the female door leaf, it opens or closes to prevent fire door conveniently, the security is high, be equipped with stop gear between sub-door leaf and threshold, when needs are opened sub-door leaf, through the pulling guide bar, the guide bar slides in the spout, take T type stopper to leave the spacing groove of sub-door leaf, enter into the spacing groove in the threshold, lose the injecing of sub-door leaf this moment, through promoting sub-door leaf, under the effect of hinge, open sub-door leaf, and is simple and convenient.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings required to be used in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.

Fig. 1 is a schematic structural view of a push-surface flat-open fireproof door according to an embodiment of the present invention;

figure 2 is a partial top cross-sectional view of a push-side fire rated door in accordance with an embodiment of the present invention;

fig. 3 is a schematic partial three-dimensional structure diagram of a sliding cavity in a push-surface flat-open fireproof door according to an embodiment of the present invention;

fig. 4 is according to the utility model discloses a push away face flat-open prevent fire door in T type stopper's spatial structure schematic diagram.

Reference numerals:

1. a door frame; 2. a threshold; 3. a hinge; 4. a female door leaf; 5. a glass window; 6. a sub-door leaf; 7. a handle; 8. a lock cylinder; 9. a guide bar; 10. a chute; 11. a fixed block; 12. fixing the ear; 13. a connecting rod; 14. a first permanent magnet; 15. a slide bar; 16. a second permanent magnet; 17. a slider; 18. a limiting plate; 19. a return spring; 20. a T-shaped limiting block; 21. a limiting groove; 22. a receiving groove; 23. a heat-resistant sealing strip.

Detailed Description

The following, with reference to the drawings and the detailed description, further description of the present invention is made:

the first embodiment is as follows:

referring to fig. 1-4, a push-surface flat-open fireproof door according to an embodiment of the present invention includes a door frame 1 and a door sill 2, the two ends of the door sill 2 are fixedly provided with the door frame 1, the door frame 1 is equidistantly provided with hinges 3, one of the door frames 1 is hinged with a primary door leaf 4 through the hinges 3, the other door frame 1 is hinged with a secondary door leaf 6 through the hinges 3, the primary door leaf 4 is matched with the secondary door leaf 6, one end of the door sill 2 is provided with a cavity, a fixed block 11 is fixedly arranged in the cavity, the fixed block 11 is provided with a fixed lug 12, the fixed block 11 is rotatably connected with a connecting rod 13 through the fixed lug 12, one side of the bottom end of the primary door leaf 4 is provided with a sliding cavity, a limiting plate 18 is fixedly arranged in the sliding cavity, one end of the limiting plate 18 and the sliding cavity is provided with a receiving groove 22, the receiving groove 22 is matched with the fixed block 11, a first permanent magnet 14 is fixedly arranged on the side wall of one end of the sliding cavity, which is far away from the accommodating groove 22, a sliding rod 15 is fixedly arranged between the limiting plate 18 and the first permanent magnet 14, a sliding block 17 is connected on the sliding rod 15 in a sliding manner, one end of the connecting rod 13, which is far away from the fixing lug 12, is fixedly connected with the sliding block 17, a return spring 19 is fixedly arranged between the sliding block 17 and the limiting plate 18, one end of the sliding block 17, which is far away from the return spring 19, is provided with a second permanent magnet 16, when the door is used, the connecting rod 13 on the fixing lug 12 in the doorsill 2 starts to rotate by pushing the primary door leaf 4, the sliding block 17 in the primary door leaf 4 slides on the sliding rod 15, the first permanent magnet 14 and the second permanent magnet 16 are separated under stress, meanwhile, the return spring 19 between the limiting plate 18 and the sliding block 17 is compressed under the stress, and the primary door leaf 4 is opened under the action of the hinge 3, after a person leaves, if the person forgets to close the primary door leaf 4, the primary door leaf 14 and the secondary door leaf 16 attract each other, and under the action of elastic potential energy generated when the return spring 19 contracts, the return spring 19 resets to drive the sliding block 17 to move on the sliding rod 15 and drive the connecting rod 13 to rotate, at the moment, the primary door leaf 4 resets under the action of the hinge 3, the fixing block 11 and the fixing lug 12 enter the containing groove 22 to further close the fireproof door, and the other end of the doorsill 2 is provided with a limiting mechanism.

Through automatic closing fire door, can effectually avoid when emergency such as conflagration takes place, people forget to close fire door and lead to the intensity of a fire to stretch when sparse, can improve the security greatly.

Example two:

referring to fig. 1-4, specifically, heat-resistant sealing strips 23 are disposed between the primary door leaf 4, the secondary door leaf 6, the door frame 1 and the doorsill 2, so that the sealing performance of the fire door can be greatly improved, the fire and smoke can be prevented from diffusing, and the safety performance can be greatly improved.

Specifically, the first permanent magnet 14 and the second permanent magnet 16 have opposite magnetism, so that the first permanent magnet 14 and the second permanent magnet 16 are attracted to each other, the sliding block 17 is driven to slide on the sliding rod 15, and the main door leaf 4 can be automatically closed by matching with the hinge 3.

Specifically, female door leaf 4 is seted up flutedly, the recess is embedded to have glass window 5, can observe its condition through glass window 5, can in time master information, makes things convenient for feedback and flees.

Specifically, the limiting mechanism comprises a sliding groove 10 formed in the bottom end of the doorsill 2, a guide rod 9 is connected to the sliding groove 10 in a sliding mode, the guide rod 9 penetrates through the sliding groove 10 and extends to the inside to be fixedly provided with a T-shaped limiting block 20, limiting grooves 21 are formed in the bottom end of the sub door leaf 6 and the doorsill 2, the two limiting grooves 21 are communicated, the limiting grooves 21 are matched with the T-shaped limiting blocks 20, when the sub door leaf 6 needs to be opened, the guide rod 9 is pulled to slide in the sliding groove 10 to drive the T-shaped limiting block 20 to leave the limiting groove 21 of the sub door leaf 6, the limiting groove 21 in the doorsill 2 is entered, limitation on the sub door leaf 6 is lost at the moment, the sub door leaf 6 is opened under the action of the hinge 3 through pushing of the sub door leaf 6, and the operation is simple and convenient.

Specifically, female door leaf 4 with be equipped with locking mechanism between the sub-door leaf 6, the fixed handle 7 that is equipped with in middle part of 4 one ends of female door leaf, 7 bottoms of handle are equipped with lock core 8, handle 7 and lock core 8 all with locking mechanism phase-match conveniently open or close fire door, and the security is high.

For the convenience of understanding the technical solution of the present invention, the following detailed description is made on the working principle or the operation mode of the present invention in the practical process.

In practical application, when the door is used, by pushing the primary door leaf 4, the connecting rod 13 on the fixing lug 12 in the doorsill 2 starts to rotate, the sliding block 17 in the primary door leaf 4 is driven to slide on the sliding rod 15, the first permanent magnet 14 and the second permanent magnet 16 are forced to be separated, meanwhile, the return spring 19 between the limiting plate 18 and the sliding block 17 is forced to be compressed, the primary door leaf 4 is opened under the action of the hinge 3, after a person leaves, if the person forgets to close the primary door leaf 4, the first permanent magnet 14 and the second permanent magnet 16 attract each other, and under the action of elastic potential energy when the return spring 19 contracts, the return spring 19 is reset, the sliding block 17 is driven to move on the sliding rod 15, the door leaf drives the connecting rod 13 to rotate, at the moment, the primary door leaf 4 is reset under the action of the hinge 3, the fixing block 11 and the fixing lug 12 enter the accommodating groove 22, the fireproof door is closed, and the primary door 4 is closed, The heat-resistant sealing strips 23 are arranged between the sub door leaf 6 and the door frame 1 and the doorsill 2, the sealing performance of the fireproof door can be greatly improved, the fire and smoke diffusion is prevented, the safety performance is greatly improved, the glass window 5 is embedded in the main door leaf 4, the fire condition can be observed through the glass window 5, the handle 7 and the lock cylinder 8 are arranged on the main door leaf 4, the fireproof door can be conveniently opened or closed, the safety is high, the fireproof door can be automatically closed, the emergency situation such as fire and the like can be effectively avoided, people forget to close the fireproof door during evacuation to cause the fire to spread, the safety can be greatly improved, when the sub door leaf 6 needs to be opened, the guide rod 9 is pulled to slide in the sliding groove 10 to drive the T-shaped limiting block 20 to leave the limiting groove 21 of the sub door leaf 6, the T-shaped limiting block 20 enters the limiting groove 21 in the doorsill 2, and limits the sub door leaf 6 at the moment, through promoting sub-door leaf 6, under the effect of hinge 3, open sub-door leaf 6, it is simple and convenient.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The push-surface flat-open fireproof door is characterized by comprising a door frame (1) and a door threshold (2), wherein the two ends of the door threshold (2) are fixedly provided with the door frame (1), hinges (3) are equidistantly arranged on the door frame (1), one door frame (1) is hinged with a primary door leaf (4) through the hinges (3), the other door frame (1) is hinged with a secondary door leaf (6) through the hinges (3), the primary door leaf (4) is matched with the secondary door leaf (6), one end of the door threshold (2) is provided with a cavity, a fixed block (11) is fixedly arranged in the cavity, a fixed lug (12) is arranged on the fixed block (11), the fixed block (11) is rotatably connected with a connecting rod (13) through the fixed lug (12), one side of the bottom end of the primary door leaf (4) is provided with a sliding cavity, and a limiting plate (18) is fixedly arranged in the sliding cavity, limiting plate (18) and the one end in slip chamber are equipped with and accomodate groove (22), accomodate groove (22) with fixed block (11) phase-match, the slip chamber is kept away from fixedly on the lateral wall of the one end of accomodating groove (22) be equipped with first permanent magnet (14), limiting plate (18) with fixed slide bar (15) that is equipped with between first permanent magnet (14), sliding connection has slider (17) on slide bar (15), keep away from connecting rod (13) the one end fixed connection of fixed ear (12) slider (17), slider (17) with fixed reset spring (19) that is equipped with between limiting plate (18), slider (17) are kept away from the one end of reset spring (19) is equipped with second permanent magnet (16), the other end of threshold (2) is equipped with stop gear.

2. The push-face flat-open fireproof door according to claim 1, characterized in that heat-resistant sealing strips (23) are arranged between the primary door leaf (4), the secondary door leaf (6), the door frame (1) and the door sill (2).

3. A push-face flat-open fire door according to claim 1, characterised in that said first permanent magnet (14) and said second permanent magnet (16) are magnetically opposite.

4. A push-face flat-open fire door as claimed in claim 1, characterised in that said female door leaf (4) is provided with a groove in which a glass window (5) is embedded.

5. The push-surface flat-open fireproof door according to claim 1, wherein the limiting mechanism comprises a sliding groove (10) formed in the bottom end of the door sill (2), a guide rod (9) is connected in the sliding groove (10) in a sliding mode, the guide rod (9) penetrates through the sliding groove (10) and extends to the inside of the sliding groove to be fixedly provided with a T-shaped limiting block (20), limiting grooves (21) are formed in the bottom end of the sub door leaf (6) and the door sill (2), the two limiting grooves (21) are communicated, and the limiting grooves (21) are matched with the T-shaped limiting block (20).

6. The push-surface flat-open fireproof door according to claim 1, wherein a locking mechanism is arranged between the main door leaf (4) and the sub door leaf (6), a handle (7) is fixedly arranged in the middle of one end of the main door leaf (4), a lock cylinder (8) is arranged at the bottom end of the handle (7), and the handle (7) and the lock cylinder (8) are matched with the locking mechanism.