CN212958388U

CN212958388U - Multilayer single-opening fireproof rolling shutter door

Info

Publication number: CN212958388U
Application number: CN202020706195.2U
Authority: CN
Inventors: 冯原道
Original assignee: Guangdong Kuntai Technology Co ltd
Current assignee: Guangdong Kuntai Technology Co ltd
Priority date: 2020-04-30
Filing date: 2020-04-30
Publication date: 2021-04-13
Anticipated expiration: 2030-04-30

Abstract

The utility model relates to a rolling slats door technical field specifically is a multilayer single-open fire prevention rolling slats door, including two door frames, two door frame tops are equipped with the rolling slats storehouse, are equipped with the rolling slats in the rolling slats storehouse, and the rolling slats include the rolling axle of being connected with the rotation of rolling slats storehouse, and the wraparound has a plurality of rolling slats units through pivot articulated on the rolling axle lateral wall, and the inside cavity that has opened of rolling slats unit, be equipped with first flame retardant coating and second flame retardant coating in the past after to in the cavity in proper order, and rolling slats storehouse one end is installed rolling motor, and rolling motor's the terminal coaxial fixing of output shaft is epaxial at the rolling. This fire prevention rolling slats door is singly opened to multilayer sets to hollow column structure through rolling up the curtain unit, fills first flame retardant coating and second flame retardant coating in inside, when the conflagration takes place, blocks the heat transfer, increases the fire prevention effect, plays the supporting role to rolling up the curtain unit through first flame retardant coating and second flame retardant coating simultaneously, reduces the risk of rolling up the deformation of curtain unit, increases its life.

Description

Multilayer single-opening fireproof rolling shutter door

Technical Field

The utility model relates to a rolling slats door technical field specifically is a fire prevention rolling slats door is singly opened to multilayer.

Background

In an important passageway of a building, a rolling door is usually arranged and used for fire prevention and heat insulation when a fire disaster happens, but most of the existing rolling doors are made of metal plates, and when the fire disaster continuously happens, the metal plates are easy to deform and lose efficacy, so that the fire prevention effect is poor, and a large potential safety hazard exists.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a multilayer list opens fire prevention rolling slats door to solve the problem that proposes in the above-mentioned background art.

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

a multilayer single-opening fireproof rolling door comprises two door frames which are parallel to each other and are placed along the vertical direction, guide grooves are formed in the inner side of each door frame, rolling shutter bins which are hollow structures are arranged at the tops of the two door frames, through grooves communicated with the inner portions of the guide grooves are formed in the bottoms of the rolling shutter bins, rolling shutters are arranged in the rolling shutter bins, each rolling shutter comprises a rolling shaft rotatably connected with the rolling shutter bin, a plurality of rolling shutter units hinged through rotating shafts are wound on the outer side walls of the rolling shafts, the rolling shutter units penetrate through the guide grooves, two ends of each rolling shutter unit are located in the guide grooves, cavities are formed in the rolling shutter units, a first fireproof layer and a second fireproof layer are sequentially arranged in the cavities from front to back, a bottom rolling shutter hinged through the rotating shafts is arranged at the bottoms of the rolling shutter units at the lowest ends, two ends of each bottom rolling shutter are located in the guide grooves, a rolling motor is installed at one end of the rolling curtain bin, an output shaft of the rolling motor extends to the interior of the rolling curtain bin, and the tail end of the rolling motor is coaxially fixed on a rolling shaft.

Preferably, the bottom of the inner cavity of the roller shutter cabin is located at the front side of the through groove and is provided with two symmetrical fixing blocks, two connecting rods are connected between the fixing blocks, the outer side wall of each connecting rod is sleeved with a guide roller which is connected with the outer side wall of the guide roller in a rotating mode, and the front side of the roller shutter unit is attached to the outer side wall of the guide roller.

Preferably, the roller blind unit located at the lowermost end is tightly welded to the outer side wall of the winding shaft.

Preferably, the inner wall of the guide groove is provided with anti-slip lines, the two ends of the bottom roller shutter are inlaid with anti-slip pads, and the outer side walls of the anti-slip pads are attached to the inner wall of the guide groove.

Preferably, the handle that is "U" style of calligraphy structure is installed to bottom roll screen front side intermediate position, the cover is equipped with the antiskid cover on hand.

Preferably, the end part of the roller shutter cabin is provided with a motor cover outside the rolling motor, and the side surface of the motor cover is provided with a plurality of heat dissipation holes communicated with the inside of the motor cover.

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

this fire prevention rolling slats door is singly opened to multilayer sets to hollow column structure through rolling up the curtain unit, fills first flame retardant coating and second flame retardant coating in inside, when the conflagration takes place, blocks the heat transfer, increases the fire prevention effect, plays the supporting role to rolling up the curtain unit through first flame retardant coating and second flame retardant coating simultaneously, reduces the risk of rolling up the deformation of curtain unit, increases its life.

Drawings

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

FIG. 2 is an enlarged schematic view of the structure at A in FIG. 1 according to the present invention;

fig. 3 is a schematic structural view of the door frame of the present invention;

FIG. 4 is a partial sectional view of the rolling shutter structure of the present invention;

FIG. 5 is an enlarged view of the structure shown at B in FIG. 4 according to the present invention;

FIG. 6 is a schematic structural view of the roller shutter of the present invention;

fig. 7 is a sectional view of the roller shutter unit according to the present invention;

fig. 8 is a schematic structural view of the middle bottom roller blind of the present invention.

In the figure: 1. a door frame; 10. a guide groove; 2. a roller shutter cabin; 20. a through groove; 21. a fixed block; 22. a connecting rod; 23. a guide roller; 3. rolling a curtain; 30. a winding shaft; 31. a rotating shaft; 32. a roller shutter unit; 320. a first fire resistant layer; 321. a second fire-resistant layer; 33. a bottom roller blind; 330. a non-slip mat; 331. a handle; 332. an anti-slip sleeve; 4. a winding motor; 5. a motor cover; 50. and (4) heat dissipation holes.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and to simplify the description, but do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the present invention.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically limited otherwise.

Referring to fig. 1 to 8, the present invention provides a technical solution:

a multilayer single-opening fireproof rolling door comprises two door frames 1 which are parallel to each other and are placed along the vertical direction, guide grooves 10 are formed in the inner sides of the door frames 1, rolling door bins 2 which are of hollow structures are arranged at the tops of the two door frames 1, through grooves 20 communicated with the interior of the guide grooves are formed in the bottoms of the rolling door bins 2 and located right above the guide grooves 10, rolling doors 3 are arranged in the rolling door bins 2, each rolling door 3 comprises a rolling shaft 30 rotatably connected with the rolling door bins 2, a plurality of rolling door units 32 hinged through rotating shafts 31 are wound on the outer side walls of the rolling shafts 30, the rolling door units 32 located at the lowest end are tightly welded on the outer side walls of the rolling shafts 30, the rolling door units 32 penetrate through the through grooves 20, two ends of each rolling door unit are located in the guide grooves 10, cavities are formed in the rolling door units 32, a first fireproof layer 320 and a second fireproof layer 321 are sequentially arranged in the cavities from front to back, rock wool board matter is light, the fire proofness is good, high temperature resistant, the sound absorption, coefficient of heat conductivity is little, second flame retardant coating 321 is made for glass fiber board matter, glass fiber board has better heat resistance and moisture resistance, through the dual function of first flame retardant coating 320 and second flame retardant coating 321, can effectually block heat transfer, increase fire prevention effect, it is equipped with rather than rolling up curtain 33 through pivot 31 articulated bottom to be located rolling up curtain unit 32 bottom of lower extreme, bottom rolling up curtain 33 both ends are located guide way 10, rolling up curtain storehouse 2 one end and installing rolling motor 4, the output shaft of rolling motor 4 extends to rolling up inside curtain storehouse 2 and its end coaxial fixation on rolling up axle 30, through the positive and negative rotation of rolling up motor 4 output shaft, drive rolling up axle 30 and rotate, roll up curtain unit 32 and bottom rolling up curtain 33 and unreel, open or close this fire prevention rolling door.

In this embodiment, two symmetrical fixed blocks 21 are arranged at the bottom of the inner cavity of the roller shutter bin 2 and located at the front side of the through groove 20, a connecting rod 22 is connected between the two fixed blocks 21, a guide roller 23 rotatably connected with the connecting rod 22 is sleeved on the outer side wall of the connecting rod 22, the front side of the roller shutter unit 32 is attached to the outer side wall of the guide roller 23, and the guide roller 23 is made of fireproof rubber, so that the roller shutter unit 32 is prevented from being scraped and rubbed back and forth with the edge of the through groove 20 and scratching the roller shutter.

In addition, the inner wall of the guide groove 10 is provided with anti-slip lines, the two ends of the bottom roller shutter 33 are inlaid with anti-slip pads 330, the outer side walls of the anti-slip pads 330 are attached to the inner wall of the guide groove 10, the friction force between the bottom roller shutter 33 and the guide groove 10 is increased, and the roller shutter unit 32 and the bottom roller shutter 33 are prevented from accidentally sliding down.

Further, a handle 331 with a U-shaped structure is installed at the middle position of the front side of the bottom roller shutter 33, and when the motor is damaged, the roller shutter unit 32 is driven to move upwards or downwards along the guide groove 10 by pulling the handle 331, so as to open or close the roller shutter; the anti-skidding sleeve 332 is sleeved on the handle 331, so that friction between the hand of a worker and the handle 331 is increased, and the handle 331 is guaranteed to be gripped.

Specifically, a motor cover 5 is arranged at the end part of the rolling curtain cabin 2 outside the rolling motor 4, and the rolling motor 4 is protected by the motor cover 5; a plurality of heat dissipation holes 50 communicated with the inside of the motor cover are formed in the side face of the motor cover 5, so that heat inside the motor cover 5 is dissipated, and the normal use of the winding motor 4 is prevented from being influenced by too much heat collection.

When the multilayer single-opening fireproof rolling door is used, a worker firstly checks the integrity and whether the connection of each part of the single-opening fireproof rolling door is firm; then installing it on the fire-proof channel; when a fire disaster happens, the winding motor 4 is electrified to start working, the winding shaft 30 is driven to rotate through the rotation of the output shaft of the winding motor 4, the roller shutter unit 32 and the bottom roller shutter 33 are wound, the roller shutter unit 32 and the bottom roller shutter 33 penetrate through the through groove 20 to move downwards along the guide groove 10, the fireproof roller shutter door is closed, the fireproof channel is blocked, and the heat transfer can be effectively blocked through the double functions of the first fireproof layer 320 and the second fireproof layer 321, so that the fireproof effect is achieved; when the winding motor 4 is damaged accidentally, the worker may manually pull the handle 331 to move the roller blind unit 32 and the bottom roller blind 33 downward along the guide slot 10, and close the fire-resistant roller blind for emergency use.

The foregoing shows and describes the general principles, essential features, and advantages of the invention. It should be understood by those skilled in the art that the present invention is not limited by the above embodiments, and the description in the above embodiments and the description is only preferred examples of the present invention, and is not intended to limit the present invention, and that the present invention can have various changes and modifications without departing from the spirit and scope of the present invention, and these changes and modifications all fall into the scope of the claimed invention. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims

1. The utility model provides a fire prevention rolling slats door is singly opened to multilayer which characterized in that: the fireproof door comprises two door frames (1) which are parallel to each other and are placed along the vertical direction, guide grooves (10) are formed in the inner side of the door frame (1), two rolling curtain bins (2) which are hollow structures are arranged at the tops of the door frames (1), through grooves (20) communicated with the interior of the rolling curtain bins are formed in the positions, right above the guide grooves (10), of the bottoms of the rolling curtain bins (2), rolling curtains (3) are arranged in the rolling curtain bins (2), each rolling curtain (3) comprises a rolling shaft (30) rotatably connected with the rolling curtain bins (2), a plurality of rolling curtain units (32) hinged through a rotating shaft (31) are wound and connected on the outer side wall of each rolling shaft (30), each rolling curtain unit (32) penetrates through the corresponding through grooves (20) and the two ends of each rolling curtain unit are located in the corresponding guide groove (10), cavities are formed in the rolling curtain units (32), and a first fireproof layer (320) and a second fireproof layer (321) are sequentially arranged in, be located the bottommost it rolls up curtain unit (32) bottom and is equipped with rather than rolling up curtain (33) through pivot (31) articulated bottom, bottom is rolled up curtain (33) both ends and is located guide way (10), rolling up curtain storehouse (2) one end is installed rolling motor (4), the output shaft of rolling motor (4) extends to rolling up curtain storehouse (2) inside and its terminal coaxial fixation on rolling axle (30).

2. A multi-layer single fire resistant roller shutter door as claimed in claim 1, wherein: roll up curtain storehouse (2) inner chamber bottom and be located logical groove (20) front side and be equipped with fixed block (21) of two symmetries, two be connected with connecting rod (22) between fixed block (21), the cover has guide roll (23) rather than rotating the connection on connecting rod (22) lateral wall, roll up curtain unit (32) front side and guide roll (23) lateral wall and laminate mutually.

3. A multi-layer single fire resistant roller shutter door as claimed in claim 1, wherein: the roller blind unit (32) at the lowest end is tightly welded on the outer side wall of the winding shaft (30).

4. A multi-layer single fire resistant roller shutter door as claimed in claim 1, wherein: the anti-skidding line has been seted up on guide way (10) inner wall, bottom roller shutter (33) both ends are inlayed and are equipped with slipmat (330), slipmat (330) lateral wall and guide way (10) inner wall are laminated mutually.

5. A multi-layer single fire resistant roller shutter door as claimed in claim 1, wherein: the middle position of the front side of the bottom roller shutter (33) is provided with a handle (331) which is in a U-shaped structure, and the handle (331) is sleeved with an anti-skidding sleeve (332).

6. A multi-layer single fire resistant roller shutter door as claimed in claim 1, wherein: the end part of the rolling curtain cabin (2) is positioned outside the rolling motor (4) and is provided with a motor cover (5), and the side surface of the motor cover (5) is provided with a plurality of heat dissipation holes (50) communicated with the inside of the motor cover.