CN218062090U

CN218062090U - Steel fireproof door with good sealing effect

Info

Publication number: CN218062090U
Application number: CN202220574134.4U
Authority: CN
Inventors: 汪毅; 刘红
Original assignee: Wuhan Landun Door Industry Co ltd
Current assignee: Wuhan Landun Door Industry Co ltd
Priority date: 2022-03-16
Filing date: 2022-03-16
Publication date: 2022-12-16
Anticipated expiration: 2032-03-16

Abstract

The utility model discloses a prevent fire door technical field's a fire door is prevented to sealed effectual steel, including door frame, sealing mechanism, the door body and PLASTIC LAMINATED, sealing mechanism passes through bolt fixed connection and is in the inside wall front side of door frame, the door body rotates to connect the love the inside wall left side of door frame, the PLASTIC LAMINATED passes through bolt fixed connection and is in the door frame with between sealing mechanism's the lateral wall, this sealed effectual fire door is prevented to steel, and structural design is reasonable, can improve the leakproofness of preventing fire door, through the PLASTIC LAMINATED of door frame and the installation of the mounting groove box outside installation to the fire prevention strip of installation in the first mounting groove, support fire prevention strip through the blotter when the door body is closed and the PLASTIC LAMINATED contact closure, protect the connecting part between the door body and the door frame, thereby can also protected the safety of the connecting part between the door body and the door frame when improving fireproof effect, avoid the normal use of preventing fire door is prevented to impaired influence.

Description

Steel fireproof door with good sealing effect

Technical Field

The utility model relates to a prevent fire door technical field, specifically be a fire door is prevented to sealed effectual steel.

Background

According to the method, the infrastructure construction is carried out on a large scale along with the country, the demand of fire doors used in construction is increased, and the heat insulation and fire resistance of the existing steel heat insulation sealing fire door is improved continuously to meet the requirement of higher-end fire resistance.

The existing steel fireproof door is better in heat insulation and fire resistance than a common fireproof door in fireproof effect, but is not better in sealing effect than a traditional fireproof door, smoke generated by fire after the existing steel fireproof door is closed can flow through a gap between the fireproof doors, the existing steel fireproof door is fireproof through high temperature resistance of a rigid material of the existing steel fireproof door, the fireproof effect is reduced, meanwhile, installation parts of the fireproof door can be damaged, and therefore the steel fireproof door with the good sealing effect is provided.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a fire door is prevented to sealed effectual steel to it is good than the fire prevention effect of general fire door to have proposed the thermal-insulated fire prevention of current fire door in solving above-mentioned background art, but sealed effect is not as traditional fire door, and the sealed low fire door of preventing can flow through the clearance between the fire door closing the smog that the back conflagration produced, and current fire door is prevented to the steel and is carried out the problem of preventing fires through the high temperature resistance of the rigidity material of itself.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a fire door is prevented to sealed effectual steel, includes door frame, sealing mechanism, the door body and PLASTIC LAMINATED, sealing mechanism passes through bolt fixed connection and is in the inside wall front side of door frame, the door body rotates to connect love the inside wall left side of door frame, the PLASTIC LAMINATED passes through bolt fixed connection and is in the door frame with between sealing mechanism's the lateral wall.

Preferably, the inner cavity of the door frame is fixedly connected with reinforcing rods through bolts, and the reinforcing rods are uniformly distributed and staggered with each other.

Preferably, sealing mechanism includes mounting groove box, spring and seal ring, spring fixed connection be in mounting groove box inner chamber, and evenly distributed, seal ring fixed connection be in between the end of spring, seal ring is inside hollow structure.

Preferably, the inside of the door body is embedded with a heat insulation cotton plate, and the rear side of the left side wall of the door body is fixedly connected with a damping rotating shaft.

Preferably, the outside a week of the preceding lateral wall of the door body is inlayed and is had first sealing strip, first sealing strip contacts with seal ring, the shape of first sealing strip is ARC shape, and seal ring's shape is circular shape.

Preferably, the preceding lateral wall of the door body and the inboard a week that is located first sealing strip are opened and are had first mounting groove, the inner chamber bonding of first mounting groove has the blotter, the preceding lateral wall bonding of blotter has the fire prevention strip, the top bottom of the door body and control the lateral wall and open and have the second mounting groove, the inner chamber bonding of second mounting groove has the second sealing strip.

Compared with the prior art, the beneficial effects of the utility model are that:

1. this fire door is prevented to sealed effectual steel through the contact of the first sealing strip on the seal ring in the mounting groove box and the door body to through the spring extrusion seal ring in the mounting groove box, make the first sealing strip that seal ring can be inseparable laminate, and can seal door body and door frame through the second sealing strip of the installation of door body a week, thereby can improve the leakproofness of preventing fire door.

2. This fire door is prevented to sealed effectual steel, the PLASTIC LAMINATED through door frame and the installation of the mounting groove box outside to the fire prevention strip of installation in the first mounting groove supports fire prevention strip and PLASTIC LAMINATED contact closure through the blotter when the door body is closed, protects the connecting element between the door body and the door frame, thereby can also protect the safety of the connecting element between the door body and the door frame when improving fireproof effect, avoids the normal use of fire door is prevented in impaired influence.

Drawings

FIG. 1 is a schematic view of the overall structure of the present invention;

FIG. 2 is a schematic top sectional view of the present invention;

FIG. 3 is an enlarged schematic view of the structure at A in FIG. 2 according to the present invention;

fig. 4 is an enlarged schematic structural view of the point B in fig. 2 according to the present invention.

In the figure: 100. a door frame; 110. a reinforcing rod; 200. a sealing mechanism; 210. installing a groove box; 220. a spring; 230. a sealing gasket; 300. a door body; 310. a heat insulating cotton sheet; 320. a damping rotating shaft; 330. a first seal strip; 340. a first mounting groove; 341. a cushion pad; 342. a fire-resistant strip; 350. a second mounting groove; 351. a second seal strip; 400. provided is a fireproof plate.

Detailed Description

The utility model provides a steel fireproof door with good sealing effect, which improves the sealing performance of the fireproof door and the protection effect, please refer to fig. 1-4, and comprises a door frame 100, a sealing mechanism 200, a door body 300 and a fireproof plate 400;

referring to fig. 2 and 4, the doorframe 100 is used for installing the supporting and sealing mechanism 200, the door body 300 and the fireproof plate 400;

referring to fig. 3, the sealing mechanism 200 is fixedly connected to the front side of the inner side wall of the door frame 100 by bolts, and the sealing mechanism 200 is used for sealing the door body 300 and the door frame 100;

referring to fig. 1-4 again, the door 300 is rotatably connected to the left side of the inner side wall of the doorframe 100, and the door 300 is used for fire prevention between buildings;

referring to fig. 1 to 3, a fire prevention plate 400 is fixedly coupled between the doorframe 100 and an outer side wall of the sealing mechanism 200 by bolts, and the fire prevention plate 400 serves to block a fire source.

Referring to fig. 2, in order to improve the overall structural strength of the door frame 100, reinforcing rods 110 are fixedly connected to the inner cavity of the door frame 100 by bolts, and are uniformly distributed and staggered with each other.

Referring to fig. 3 again, in order to improve the sealing performance of the fire door, the sealing mechanism 200 includes a mounting groove box 210, springs 220 and sealing washers 230, the springs 220 are fixedly connected in the inner cavity of the mounting groove box 210 and are uniformly distributed, the sealing washers 230 are fixedly connected between the ends of the springs 220, and the sealing washers 230 are hollow.

Referring to fig. 3 again, in order to open the door 300 more easily, a heat insulation cotton plate 310 is embedded in the door 300, and a damping rotating shaft 320 is fixedly connected to the rear side of the left side wall of the door 300.

Referring to fig. 3 again, in order to improve the sealing performance between the door 300 and the door frame 100, a first sealing strip 330 is embedded in a circumference of the outer side of the front side wall of the door 300, the first sealing strip 330 contacts the sealing gasket 230, the first sealing strip 330 is arc-shaped, and the sealing gasket 230 is circular.

Referring to fig. 4, in order to improve the fireproof efficiency of the fireproof door and protect the connection, a first installation groove 340 is formed in the front side wall of the door 300 and around the inner side of the first sealing strip 330, a cushion 341 is bonded to the inner cavity of the first installation groove 340, a fireproof strip 342 is bonded to the front side wall of the cushion 341, a second installation groove 350 is formed in the bottom of the top of the door 300 and the left and right side walls, and a second sealing strip 351 is bonded to the inner cavity of the second installation groove 350.

When specific use, this technical field personnel use when preventing fire door and prevent fires, through removing door body 300, drive door body 300 through damping pivot 320 and rotate, close door body 300, when door body 300 closes, second sealing strip 351 through the installation of door body 300 a week can seal door body 300 and door frame 100, the contact of sealing washer 230 in the installation groove box 210 and the first sealing strip 330 on the door body 300 simultaneously, and through the interior spring 220 extrusion sealing washer 230 of installation groove box 210, make sealing washer 230 can inseparable first sealing strip 330 laminate, support fire prevention strip 342 through blotter 341 when door body 300 closes, the fire prevention strip contact closure of installation in the fire prevention board 400 of the installation of door frame 100 and the installation groove box 210 outside and first installation groove 342.

Claims

1. The utility model provides a sealed effectual steel prevents fire door which characterized in that: including door frame (100), sealing mechanism (200), the door body (300) and PLASTIC LAMINATED (400), sealing mechanism (200) are in through bolt fixed connection the inside wall front side of door frame (100), door body (300) rotate to connect love the inside wall left side of door frame (100), PLASTIC LAMINATED (400) are in through bolt fixed connection door frame (100) with between the outside wall of sealing mechanism (200).

2. The steel fireproof door with good sealing effect as claimed in claim 1, wherein: the inner cavity of the door frame (100) is fixedly connected with reinforcing rods (110) through bolts, and the reinforcing rods are uniformly distributed and staggered with each other.

3. The steel fireproof door with good sealing effect as claimed in claim 1, wherein: sealing mechanism (200) is including installation groove box (210), spring (220) and seal ring (230), spring (220) fixed connection in installation groove box (210) inner chamber, and evenly distributed, seal ring (230) fixed connection be in between the end of spring (220), seal ring (230) are inside hollow structure.

4. The steel fireproof door with good sealing effect as claimed in claim 1, wherein: the inside of the door body (300) is embedded with a heat insulation cotton plate (310), and the rear side of the left side wall of the door body (300) is fixedly connected with a damping rotating shaft (320).

5. The steel fireproof door with good sealing effect as claimed in claim 1, wherein: a first sealing strip (330) is inlayed to the outside a week of the front side wall of the door body (300), first sealing strip (330) contacts with sealing washer (230), the shape of first sealing strip (330) is ARC shape, and the shape of sealing washer (230) is circular shape.

6. The steel fireproof door with good sealing effect as claimed in claim 1, wherein: the utility model discloses a fire door, including the door body (300), the preceding lateral wall of the door body and the inboard week that is located first sealing strip (330) are opened and are had first mounting groove (340), the inner chamber bonding of first mounting groove (340) has blotter (341), the preceding lateral wall bonding of blotter (341) has fire prevention strip (342), the top bottom of the door body (300) and the lateral wall of controlling open and have second mounting groove (350), the inner chamber bonding of second mounting groove (350) has second sealing strip (351).