CN213330746U

CN213330746U - Steel fireproof door with good heat insulation performance

Info

Publication number: CN213330746U
Application number: CN202021704835.2U
Authority: CN
Inventors: 张辉
Original assignee: Hebei Haoyuan Door Industry Co ltd
Current assignee: Hebei Haoyuan Door Industry Co ltd
Priority date: 2020-08-15
Filing date: 2020-08-15
Publication date: 2021-06-01
Anticipated expiration: 2030-08-15

Abstract

The utility model relates to the technical field of fire-proof doors, in particular to a steel fire-proof door with good heat insulation performance, which is characterized in that an automatic closing mechanism is controlled by a cylinder, so that the automatic opening and closing of the heavy fire-proof door can be controlled conveniently, the physical consumption of a door opener is reduced, meanwhile, the situation that a person with small strength can not open and close the fire-proof door is avoided, and the use practicability is improved; including the door frame, prevent fire door, the fixed seat of revolving of cylinder, fixed post of revolving, the cylinder revolves the piece, the telescopic link, rotatory ring, prevent fire door connecting block and revolve the post down, two sets of door shafts weld respectively and set up both sides about preventing the fire door front end, two sets of door frame axles weld respectively and set up both ends about door frame front end left side, and door shaft and door frame axle rotatable coupling, the fixed seat fixed mounting that revolves of cylinder is connected at door frame front end upside, fixed post lower extreme and the fixed seat upper end of revolving of cylinder are connected, the cylinder end-to-end is fixed to be provided with the cylinder and revolves the piece, and the cylinder revolves the rotatable suit setting of piece and.

Description

Steel fireproof door with good heat insulation performance

Technical Field

The utility model relates to a prevent fire door's technical field, especially relate to a fire door is prevented to steel that heat-proof quality is good.

Background

It is known that fire doors are able to meet the requirements of fire stability, integrity and thermal insulation over time, and are also fire partitions with a certain degree of fire resistance; the method is widely applied to various fields such as residences, ships, buildings, chemical engineering, mechanical engineering and the like; if the conflagration is great, long-time burning causes the temperature of door plant, door frame, hinge and lock to constantly rise, has to destroy door plant, door frame, hinge or lock, melts the possibility even, has lost the effect of protection for the door plant lock is died, is difficult to open, has disconnected the passageway of fleing, consequently needs one kind to insulate against heat the performance can be when the door warp again the auxiliary personnel open closed prevent fire door.

SUMMERY OF THE UTILITY MODEL

In order to solve the technical problem, the utility model provides a through setting up the automatic closing mechanism of cylinder control, the automatic switching of the fire door is prevented to the control of being convenient for thickly, alleviates the person's physical demands that opens the door, avoids the unable switching of the personnel that strength is little simultaneously to prevent fire door, improves the steel that the heat-proof quality is good of use practicality and prevents fire door.

The utility model discloses a steel fireproof door with good heat-insulating property, which comprises a door frame, a fireproof door, a door shaft, a door frame shaft, a cylinder fixing rotary seat, a fixing rotary column, a cylinder rotary sheet, a telescopic link, a rotary ring, a fireproof door connecting block and a lower rotary column, wherein two groups of door shafts are respectively welded on the upper side and the lower side of the front end of the fireproof door, two groups of door frames are respectively welded on the upper end and the lower end of the front end of the door frame, the door shaft is rotatably connected with the door frame shaft, the cylinder fixing rotary seat is fixedly arranged on the upper side of the front end of the door frame, the lower end of the fixing rotary column is connected with the upper end of the cylinder fixing rotary seat, the cylinder rotary sheet is fixedly arranged at the outer side of the circumference of the fixing rotary column in a sleeved mode, the telescopic link is telescopically arranged at the output end of the cylinder, the, the lower end of the rotating ring is rotatably connected with the upper end of the lower rotating column.

The utility model discloses a fire door is prevented to steel that heat-proof quality is good still includes thermal-insulated cotton, prevents that fire door inside is filled and is provided with thermal-insulated cotton.

The utility model discloses a fire door is prevented to steel that heat-proof quality is good still includes condenser tube and inlet tube, and condenser tube coils and sets up inside thermal-insulated cotton, and the inlet tube is arranged and is set up inside the door frame to inlet tube output and condenser tube input intercommunication, inlet tube input and fire control spray water route intercommunication.

The utility model discloses a fire door is prevented to steel that heat-proof quality is good still includes the hinge, and the door frame is provided with the multiunit hinge with prevent fire door connection corner align to grid installation.

The utility model discloses a fire door is prevented to steel that heat-proof quality is good still includes the lock, and fire door front end right side middle part is provided with the lock.

The utility model discloses a fire door is prevented to steel that heat-proof quality is good still includes pre-buried fixed column, and door frame lower extreme left and right sides symmetry is provided with two sets of pre-buried fixed columns.

Compared with the prior art, the beneficial effects of the utility model are that: starting cylinder, later cylinder output drives the telescopic link and contracts, then the telescopic link end is through rotatory ring sum lower column rotation cooperation, it removes to prevent fire door connecting block to drive, later prevent fire door connecting block pulling prevent fire door along the inside left side swing of door frame, simultaneously the cylinder passes through cylinder revolving piece and fixed column rotation cooperation soon, gradually the direction of change, then thoroughly open until preventing fire door, extend through cylinder control telescopic link, later the telescopic link end promotes rotatory ring and drives to prevent fire door connecting block and remove, then it starts closed to prevent fire door through preventing fire door connecting block promotion, through setting up the automatic closing mechanism of cylinder control, be convenient for control the automatic switching of thick fire door, alleviate the person's physical demands that opens the door, prevent fire door by the unable switching of the personnel that strength is.

Drawings

Fig. 1 is a schematic structural diagram of the present invention;

FIG. 2 is an enlarged view of part A of FIG. 1;

figure 3 is a cross-sectional structural schematic view of a fire rated door;

fig. 4 is a schematic view of the lower view axis side structure of the present invention;

in the drawings, the reference numbers: 1. a door frame; 2. a fire door; 3. a door shaft; 4. a door frame shaft; 5. the cylinder fixes the rotary seat; 6. fixing the rotary column; 7. a cylinder; 8. a cylinder rotary vane; 9. a telescopic rod; 10. a rotating ring; 11. a fireproof door connecting block; 12. screwing down the column; 13. heat insulation cotton; 14. a cooling water pipe; 15. a water inlet pipe; 16. a hinge; 17. a door lock; 18. and (6) embedding the fixing columns.

Detailed Description

The following detailed description of the embodiments of the present invention is provided with reference to the accompanying drawings and examples. The following examples are intended to illustrate the invention, but are not intended to limit the scope of the invention.

As shown in FIGS. 1 to 4, the steel fireproof door of the present invention comprises a door frame 1, a fireproof door 2, door shafts 3, a door frame shaft 4, a cylinder fixing rotary seat 5, a fixing rotary post 6, a cylinder 7, a cylinder rotary blade 8, a telescopic rod 9, a rotary ring 10, a fireproof door connecting block 11 and a lower rotary post 12, wherein two sets of door shafts 3 are respectively welded on the upper and lower sides of the front end of the fireproof door 2, two sets of door frame shafts 4 are respectively welded on the upper and lower sides of the left side of the front end of the door frame 1, the door shafts 3 are rotatably connected with the door frame shaft 4, the cylinder fixing rotary seat 5 is fixedly installed on the upper side of the front end of the door frame 1, the lower end of the fixing rotary post 6 is connected with the upper end of the cylinder fixing rotary seat 5, the cylinder rotary blade 8 is fixedly installed at the end of the cylinder 7, the cylinder rotary blade 8 is rotatably sleeved on the outer side, the rotating ring 10 is fixedly arranged at the tail end of the telescopic rod 9, the fireproof door connecting block 11 is fixedly arranged on the upper side of the front end of the fireproof door 2, the lower end of the lower rotary column 12 is connected with the upper end of the fireproof door connecting block 11, and the lower end of the rotating ring 10 is rotatably connected with the upper end of the lower rotary column 12; the cylinder 7 is started, then the output end of the cylinder 7 drives the telescopic rod 9 to contract, then the tail end of the telescopic rod 9 is matched with the lower rotary column 12 through the rotary ring 10 to drive the fireproof door connecting block 11 to move, then the fireproof door connecting block 11 pulls the fireproof door 2 to swing along the left side inside the door frame 1, meanwhile, the cylinder 7 is in running fit with the fixed rotary column 6 through the cylinder rotary vane 8, the direction is gradually changed, then until the fireproof door 2 is completely opened, the cylinder 7 controls the expansion link 9 to extend, then the tail end of the expansion link 9 pushes the rotating ring 10 to drive the fireproof door connecting block 11 to move, then through preventing that fire door connecting block 11 promotes to prevent that fire door 2 begins to be closed, through setting up the automatic closing mechanism of cylinder control, the automatic switching of the fire door is prevented to the control of being convenient for, alleviates the person's physical demands that opens the door, avoids the unable switching of the personnel that strength is little simultaneously to prevent fire door 2, improves the practicality of use.

The steel fireproof door with good heat insulation performance of the utility model also comprises heat insulation cotton 13, and the heat insulation cotton 13 is filled in the fireproof door 2; set up thermal-insulated cotton 13 through filling, be convenient for when the conflagration breaing out, the fire door is prevented in the separation because of keeping out the high temperature of intensity of a fire conduction, avoids leading to the condition that the fire fighter can't open fire door fire fighting because of preventing fire door high temperature, improves the practicality of use.

The utility model discloses a fire door is prevented to steel that heat-proof quality is good still includes condenser tube 14 and inlet tube 15, and condenser tube 14 coils and sets up inside thermal-insulated cotton 13, and inlet tube 15 arranges and sets up inside door frame 1 to inlet tube 15 output end and condenser tube 14 input end intercommunication, and inlet tube 15 input end and fire control spray water route intercommunication; when the conflagration breaing out, smoke alarm can spray water automatically because of the conflagration, sprays the water route switch-on with inlet tube 15 and smoke alarm, and when the conflagration took place, the fire-fighting water can be carried to inlet tube 15 automatically, later carries to the cooling water pipe 14 in through inlet tube 15, then cools down to preventing 2 insides of fire door through cooling water pipe 14, avoids preventing fire door 2 and makes its surface produce high temperature because of big fire, improves the practicality of use.

The steel fireproof door with good heat insulation performance of the utility model also comprises hinges 16, and a plurality of groups of hinges 16 are arranged at the connecting corners of the door frame 1 and the fireproof door 2; through setting up hinge 16, improve door frame 1 and prevent fire door 2 joint strength, improve stability in use.

The steel fireproof door with good heat insulation performance of the utility model also comprises a door lock 17, wherein the middle part of the right side of the front end of the fireproof door 2 is provided with the door lock 17; through setting up lock 17, can die prevent that fire door 2 locks in door frame 1, avoid preventing that fire door frequently opens at safe period, cause the damage of preventing fire door, improve the stability in use.

The steel fireproof door with good heat insulation performance of the utility model also comprises pre-buried fixed columns 18, and two groups of pre-buried fixed columns 18 are symmetrically arranged on the left and right sides of the lower end of the door frame 1; through setting up pre-buried fixed column 18, be convenient for improve 1 erection strength of door frame, avoid pre-buried fixed column 18 to drop from the wall body in the use, improve the stability in use.

The utility model discloses a fire door is prevented to steel that heat-proof quality is good, it is at work, start the cylinder, then the cylinder output end drives the telescopic link and contracts, then the telescopic link end is through rotatory ring and down rotary column cooperation, drive prevent fire door connecting block and move, later prevent fire door connecting block pulling prevent fire door along the inside left side swing of door frame, simultaneously the cylinder passes through cylinder rotor plate and fixed rotary column normal running fit, change the direction step by step, then thoroughly open until preventing fire door, control the telescopic link through the cylinder and extend, later the telescopic link end promotes rotatory ring and drives prevent fire door connecting block and move, then promote to prevent fire door through preventing fire door connecting block and begin to close, when the conflagration breaks out, smoke alarm can be because of the automatic water spray path of conflagration, put through inlet tube and smoke alarm, when, afterwards, the fireproof door is conveyed to the cooling water pipe through the water inlet pipe, and then the interior of the fireproof door is cooled through the cooling water pipe, so that the fireproof door is prevented from generating high temperature on the surface of the fireproof door due to fire.

The utility model discloses a fire door is prevented to steel that heat-proof quality is good, its mounting means, connected mode or set up the mode and be common mechanical system, as long as can reach all can implement of its beneficial effect.

The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, a plurality of modifications and variations can be made without departing from the technical principle of the present invention, and these modifications and variations should also be regarded as the protection scope of the present invention.

Claims

1. A steel fireproof door with good heat insulation performance is characterized by comprising a door frame (1), a fireproof door (2), door shafts (3), door frame shafts (4), a cylinder fixing rotary seat (5), a fixing rotary column (6), a cylinder (7), cylinder rotary sheets (8), an expansion link (9), a rotary ring (10), a fireproof door connecting block (11) and a lower rotary column (12), wherein the two groups of door shafts (3) are respectively welded on the upper side and the lower side of the front end of the fireproof door (2), the two groups of door frame shafts (4) are respectively welded on the upper end and the lower end of the left side of the front end of the door frame (1), the door shafts (3) are rotatably connected with the door frame shafts (4), the cylinder fixing rotary seat (5) is fixedly arranged on the upper side of the front end of the door frame (1), the lower end of the fixing rotary column (6) is connected with the upper end of the cylinder fixing rotary seat (5), the cylinder rotary sheets, and cylinder revolves the rotatable suit setting of piece (8) and revolves the post (6) circumference outside fixedly, and telescopic link (9) is scalable to be set up in cylinder (7) output, and rotatory post (10) fixed mounting is terminal at telescopic link (9), prevents fire door connecting block (11) fixed mounting and prevents fire door (2) front end upper side, revolves post (12) lower extreme down and prevents fire door connecting block (11) upper end and be connected, revolves post (12) upper end rotatable coupling down soon under rotatory post (10) lower extreme.

2. The fire door made of steel with good heat insulation performance as claimed in claim 1, further comprising heat insulation cotton (13), wherein the fire door (2) is filled with the heat insulation cotton (13).

3. The fire door made of steel with good heat insulation performance as claimed in claim 2, further comprising a cooling water pipe (14) and a water inlet pipe (15), wherein the cooling water pipe (14) is coiled inside the heat insulation cotton (13), the water inlet pipe (15) is arranged inside the door frame (1), the output end of the water inlet pipe (15) is communicated with the input end of the cooling water pipe (14), and the input end of the water inlet pipe (15) is communicated with a fire spraying water path.

4. The fire door made of steel with good heat insulation performance as claimed in claim 3, further comprising hinges (16), wherein a plurality of groups of hinges (16) are uniformly arranged at the connecting corners of the door frame (1) and the fire door (2).

5. The fire door made of steel with good heat insulation performance as claimed in claim 4, further comprising a door lock (17), wherein the door lock (17) is arranged in the middle of the right side of the front end of the fire door (2).

6. The fire door made of steel with good heat insulation performance as claimed in claim 5, further comprising pre-embedded fixing posts (18), wherein two sets of pre-embedded fixing posts (18) are symmetrically arranged on the left and right sides of the lower end of the door frame (1).