CN217054920U

CN217054920U - Clean first-class fireproof door of normally-closed building

Info

Publication number: CN217054920U
Application number: CN202123342500.8U
Authority: CN
Inventors: 王昌帅
Original assignee: Yuantuo Electromechanical Technology Shanghai Co ltd
Current assignee: Yuantuo Electromechanical Technology Shanghai Co ltd
Priority date: 2021-12-28
Filing date: 2021-12-28
Publication date: 2022-07-26
Anticipated expiration: 2031-12-28

Abstract

The application belongs to the technical field of prevent fire door, a fire door is prevented to clean first grade of normal close formula building is disclosed, including the door frame, prevent fire door body and door closer, prevent that fire door body includes the timber layer, fire retardant coating layer, pearlite layer and asbestos layer, fire retardant coating layer coating is in the timber layer outside, pearlite layer one side lateral wall is fixed with timber layer one side lateral wall, the lateral wall of asbestos layer one side is fixed with the lateral wall that timber layer one side was kept away from along the layer to pearl, install the reinforcement jointly on timber layer and the pearlite layer, the reinforcement includes the horizontal strengthening rib fixed with the timber layer, vertical strengthening rib fixed with horizontal strengthening rib and the fixed column of lateral wall that is close to pearlite layer one side with horizontal strengthening rib. The utility model discloses in, through the setting of horizontal strengthening rib and vertical strengthening rib, carry out the structure to the timber layer and strengthen, reduced the timber layer and received the fire burning or receive the high temperature influence to lead to the probability of warping to this has reduced prevents that fire door body damages the probability that leads to the fire prevention ageing to shorten.

Description

Clean first-class fireproof door of normally-closed building

Technical Field

The application relates to the technical field of fire doors, and more particularly relates to a clean first-level fire door for a normally closed building.

Background

Fire doors are doors that are fire resistant, thermally insulating and distributed within a building. The normally closed fireproof door is one of fireproof doors, is normally closed and is used for preventing fire spreading and toxic smoke diffusion; the first-class fire door is the highest-class fire door. The fireproof door is an important component in fire-fighting equipment, is divided into a first-class, a second-class and a third-class, and is an important part in social fire prevention, so that the quality and the use problem of the fireproof door are the key of the success or failure of fire prevention.

The utility model discloses a fire-retardant fire door of normal close formula pearlite is disclosed in the chinese utility model patent that publication number is CN205605022U, the fire-retardant fire door of normal close formula pearlite that belongs to among the door and window technical field, its aim at provides a fire-retardant fire door of normal close formula pearlite, and this installation component sets up the hookup location department between door plant and door frame, need not to prop up to establish outside the door frame, can not improve fire door's security performance to pedestrian's the current obstacle that causes. The technical scheme is as follows: the door frame and the door plate are connected through a mounting component; the door plate comprises two wood layers, the outer surfaces of the wood layers are coated with fireproof coating layers, and two flame-retardant layers are arranged between the wood layers; the mounting assembly comprises a pin shaft, a second connecting piece is sleeved outside the pin shaft in a rotating mode, first connecting pieces are arranged on the upper side and the lower side of the second connecting piece, and the two groups of first connecting pieces are fixedly connected with the two ends of the pin shaft respectively; the cavity is formed in the second connecting piece, and a reset structure is arranged in the cavity.

In view of the above-mentioned related technologies, the inventor thinks that after the fire door outer layer is burnt by flame, the wood layer and the fire-proof coating layer are easy to deform, and the defect that the fire-proof time of the fire door is easy to shorten exists.

SUMMERY OF THE UTILITY MODEL

In order to solve the problem, the application provides a fire door is prevented to clean first grade of normal close formula building.

The application provides a pair of fire door is prevented to clean first grade of normal close formula building adopts following technical scheme:

the utility model provides a fire door is prevented to clean first grade of normal close formula building, includes door frame, closed door frame prevent fire door body and door closer, prevent that fire door body includes timber layer, fireproof coating layer, pearlite layer and asbestos layer, the fireproof coating layer coating is in the timber layer outside, pearlite layer one side lateral wall is fixed with timber layer one side lateral wall, the lateral wall of asbestos layer one side is fixed with the lateral wall that timber layer one side was kept away from along the layer to the pearl, install the reinforcement jointly on timber layer and the pearlite layer, the reinforcement includes horizontal strengthening rib fixed with the timber layer, with the fixed vertical strengthening rib of horizontal strengthening rib and with horizontal strengthening rib be close to the fixed column of the lateral wall of pearlite layer one side, the fixed column is kept away from the lateral wall of horizontal strengthening rib one end and pearlite layer one side and is fixed.

Through above-mentioned technical scheme, through the setting of horizontal strengthening rib and vertical strengthening rib, carry out the structure to the timber layer and strengthen, reduced the timber layer and received the fire burning or receive the high temperature influence to lead to the probability of deformation to this has reduced prevents that the damage of fire door body leads to the probability that the fire prevention ageing efficiency shortens.

Further, horizontal strengthening rib is provided with a plurality ofly, and is a plurality of horizontal strengthening rib is along vertical direction equidistance permutation distribution, vertical strengthening rib is provided with a plurality ofly, and is a plurality of vertical strengthening rib is along horizontal direction equidistance permutation distribution, adjacent two horizontal strengthening rib and adjacent two form the rectangle space between the vertical strengthening rib, be provided with first slope strengthening rib in the rectangle space, first slope strengthening rib one end is fixed with the crossing department of horizontal strengthening rib and the vertical strengthening rib of rectangle space lower extreme, the crossing department of horizontal strengthening rib and the vertical strengthening rib of first slope strengthening rib other end and rectangle space upper end is fixed.

Through above-mentioned technical scheme, through the setting of first slope strengthening rib, the structural strength on timber layer has further been strengthened to further reduced timber layer and received the fire burning or receive the high temperature influence to lead to the probability of deformation, be favorable to reducing the probability that prevents that the damage of fire door body leads to the ageing of preventing fires to shorten.

Furthermore, a second inclined reinforcing rib is fixed in the middle of the first inclined reinforcing rib, the first inclined reinforcing rib and the second inclined reinforcing rib form a right angle, and the intersection of one end, far away from the first inclined reinforcing rib, of the second inclined reinforcing rib and the transverse reinforcing rib and the vertical reinforcing rib at the upper end of the rectangular space is fixed.

Through above-mentioned technical scheme, through the setting of second slope strengthening rib, the structural strength on timber layer has further been strengthened to further reduced timber layer and received the fire burning or receive the high temperature influence to lead to the probability of warping, be favorable to reducing the probability that prevents that the fire door body damages and lead to the ageing of preventing fires to shorten.

Further, the timber layer is provided with two sets ofly, two sets of the mounting groove has all been seted up to the lateral wall that the timber layer is close to each other, horizontal strengthening rib, vertical strengthening rib, first slope strengthening rib and second slope strengthening rib all set up in the mounting groove and fixed with the timber layer.

Through above-mentioned technical scheme, through the setting of mounting groove, install horizontal strengthening rib, vertical strengthening rib, first slope strengthening rib and second slope strengthening rib in the mounting groove, avoided increasing the thickness of preventing the fire door body under the prerequisite of guaranteeing the reinforcement effect to this is favorable to preventing that structural stability under the inconvenient condition of thickness of fire door body obtains strengthening.

Further, the coating has high temperature resistant bond line in the mounting groove, high temperature resistant bond line is used for fixing horizontal strengthening rib, vertical strengthening rib, first slope strengthening rib and second slope strengthening rib and timber layer.

Through above-mentioned technical scheme, high temperature resistant bond line is the bond line that high temperature resistant adhesive made, belongs to inorganic copper oxide material, adopts special high temperature solution, high temperature resistant 1800 degrees, and adhesive strength is high, through the setting of high temperature resistant bond line, has strengthened the stability of being connected between reinforcement and the timber layer under the high temperature environment.

Furthermore, prevent that fire door body week lateral wall cover is equipped with fire-resistant sealing strip, fire-resistant sealing strip is the fire-resistant sealing strip that adopts fire-retardant rubber to make.

Through above-mentioned technical scheme, fire-retardant rubber is the rubber that has fire retardance and fire resistance, through the setting of fire prevention sealing strip, has reduced flame and dense cigarette and can see through the probability that prevents that all sides of fire door body gap outwards oozes to this has strengthened this fire prevention effect who prevents fire door.

Further, the connecting piece that is used for connecting prevent fire door body and door frame is installed to the lateral wall of preventing fire door body one side, the connecting piece run through the fire-proof sealing strip and with fire-proof sealing strip clearance fit.

Through above-mentioned technical scheme, reduced the influence of fire prevention sealing strip when preventing fire door body switch, improved this usability of preventing fire door.

To sum up, the present application includes at least one of the following advantageous technical effects:

(1) in the utility model, through the arrangement of the transverse reinforcing ribs and the vertical reinforcing ribs, the structure of the wood layer is reinforced, the probability that the wood layer is deformed due to fire combustion or high temperature is reduced, and the probability that the fireproof timeliness is shortened due to the damage of the fireproof door body is reduced;

(2) in the utility model, the first inclined reinforcing rib and the second inclined reinforcing rib are arranged to further enhance the structural strength of the wood layer, thereby further reducing the probability of deformation of the wood layer caused by fire burning or high temperature, and being beneficial to reducing the probability of shortening the fireproof time efficiency caused by damage of the fireproof door body;

(3) the utility model discloses in, through the setting of mounting groove, install horizontal strengthening rib, vertical strengthening rib, first slope strengthening rib and second slope strengthening rib in the mounting groove, avoided increasing the thickness of preventing fire door body under the prerequisite of guaranteeing the reinforcement effect to this is favorable to preventing that structural stability of fire door body obtains strengthening under the inconvenient condition of thickness.

Drawings

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

figure 2 is a schematic view of a fire rated door body of the present application;

fig. 3 is a schematic view of the structure of the reinforcing member and the wood layer of the present application.

The numbering in the figures illustrates:

1. a door frame; 11. a connecting member; 2. a fire door body; 21. a wood layer; 211. mounting grooves; 22. a fire retardant coating layer; 23. perlite layers; 24. an asbestos layer; 3. a door closer; 4. a reinforcement; 41. transverse reinforcing ribs; 42. a vertical reinforcing rib; 43. fixing a column; 44. a rectangular space; 441. a first inclined reinforcing rib; 442. a second inclined reinforcing rib; 5. a high temperature resistant adhesive layer; 6. a fireproof sealing strip.

Detailed Description

The technical solution in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application; it is obvious that the described embodiments are only a part of the embodiments of the present application, and not all embodiments, and all other embodiments obtained by those of ordinary skill in the art without any inventive work based on the embodiments in the present application belong to the protection scope of the present application.

Example 1:

the present application is described in further detail below with reference to figures 1-3.

The embodiment of the application discloses clean first grade of normal close formula building prevents fire door, including door frame 1, prevent fire door body 2, door closer 3, connecting piece 11, reinforcement 4.

The door frame 1 is a rectangular frame commonly used in the prior art and suitable for the embodiment, the door frame 1 is fixed in a door opening of a wall surface, and the door frame 1 is used for installing elements such as a fireproof door body 2, a door closer 3, a connecting piece 11 and the like.

The fireproof door body 2 is hinged with the door frame 1 through a connecting piece 11, and the fireproof door body 2 comprises a wood layer 21, a fireproof paint layer 22, a perlite layer 23 and an asbestos layer 24;

the wood layers 21 are of vertically arranged rectangular block structures, two wood layers 21 are arranged, and the side walls, close to each other, of the two wood layers 21 are provided with mounting grooves 211;

the fireproof coating layer 22 is a fireproof coating layer 22 which is commonly used in the prior art and is suitable for the embodiment, and the fireproof coating layer 22 is uniformly sprayed on the outer wall of the wood layer 21;

the perlite layer 23 is a perlite layer 23 which is commonly used in the prior art and is suitable for the embodiment, and the side wall of one side of the perlite layer 23 is fixed with the side wall of one side of one of the wood layers 21;

the asbestos layer 24 is the asbestos layer 24 that is commonly used in the prior art and is applicable to this embodiment, and the asbestos layer 24 is the rectangular plate-shaped structure that adopts the asbestos material to make, and the lateral wall of asbestos layer 24 one side is fixed with the lateral wall that the perlite layer 23 kept away from wood layer 21 one side.

The door closer 3 is a door closer 3 commonly used in the prior art and applicable to the present embodiment, and the door closer 3 is used for closing and locking the fireproof door body 2 when a fire disaster occurs.

The connecting pieces 11 are several connecting pieces composed of the connecting pieces 11 and pin shafts in the prior art, and the connecting pieces 11 are used for hinging the door frame 1 with the fireproof door body 2.

The reinforcement 4 comprises a transverse reinforcing rib 41, a vertical reinforcing rib 42 and a fixing column 43; the transverse reinforcing ribs 41 are of a horizontally arranged rectangular reinforcing rib structure, a plurality of transverse reinforcing ribs 41 are arranged, and the plurality of transverse reinforcing ribs 41 are distributed in an equidistant and aligned manner along the vertical direction; the vertical reinforcing ribs 42 are of a vertically arranged rectangular reinforcing rib structure, a plurality of vertical reinforcing ribs 42 are arranged, and the plurality of vertical reinforcing ribs 42 are distributed in an equidistant and aligned manner along the horizontal direction; the transverse reinforcing ribs 41 and the vertical reinforcing ribs 42 are fixedly arranged in the mounting grooves 211, and rectangular spaces 44 are formed between two adjacent transverse reinforcing ribs 41 and two adjacent transverse reinforcing ribs 41; the fixing column 43 is a horizontally arranged rectangular columnar structure, one end of the fixing column 43 penetrates through the wood layer 21 and is fixed with the side wall of one side, close to the perlite, of the transverse reinforcing rib 41, and the other end of the fixing column 43 is fixed with the side wall of one side of the pearl edge.

Through the setting of reinforcement 4, horizontal strengthening rib 41 and vertical strengthening rib 42 carry out the structure simultaneously to timber layer 21 and strengthen, have reduced timber layer 21 and have received the fire burning or receive the high temperature to influence the probability that leads to warping to this has reduced prevents that fire door body 2 damages the probability that leads to the time efficiency of preventing fires to shorten.

In order to further enhance the structural strength of the wood layer 21, a first inclined reinforcing rib 441 is arranged in the rectangular space 44, one end of the first inclined reinforcing rib 441 is fixed with the intersection of the transverse reinforcing rib 41 and the vertical reinforcing rib 42 at the lower end of the rectangular space 44, and the other end of the first inclined reinforcing rib 441 is fixed with the intersection of the transverse reinforcing rib 41 and the vertical reinforcing rib 42 at the upper end of the rectangular space 44;

a second inclined reinforcing rib 442 is fixed in the middle of the first inclined reinforcing rib 441, the first inclined reinforcing rib 441 and the second inclined reinforcing rib 442 form a right angle, and one end of the second inclined reinforcing rib 442, which is far away from the first inclined reinforcing rib 441, is fixed at the intersection of the transverse reinforcing rib 41 and the vertical reinforcing rib 42 at the upper end of the rectangular space 44;

through the setting of first slope strengthening rib 441 and second slope strengthening rib 442, the structural strength on timber layer 21 has further been strengthened to further reduced timber layer 21 and received the fire burning or received the high temperature influence to lead to the probability of warping, be favorable to reducing the probability that prevents that fire door body 2 damages and lead to the time efficiency of preventing fires to shorten.

In order to strengthen the stability of being connected between reinforcement 4 and the timber layer 21 under high temperature environment, the coating has high temperature resistant bond line 5 in the mounting groove 211, high temperature resistant bond line 5 is the bond line that high temperature resistant adhesive made, belong to inorganic copper oxide material, adopt special high temperature resistant solution, high temperature resistant 1800 degrees, adhesive strength is high, high temperature resistant bond line 5 is used for horizontal strengthening rib 41, vertical strengthening rib 42, first slope strengthening rib 441 and second slope strengthening rib 442 are fixed with the timber layer 21, setting through high temperature resistant bond line 5, the stability of being connected between reinforcement 4 and the timber layer 21 under high temperature environment has been strengthened.

In order to enhance the sealing and fireproof effects of the fireproof door, a fireproof sealing strip 6 is sleeved on the peripheral side wall of the fireproof door body 2, the fireproof sealing strip 6 is made of flame-retardant rubber, the flame-retardant rubber is rubber with flame retardancy and flame retardance, and a connecting piece 11 penetrates through the fireproof sealing strip 6 and is in clearance fit with the fireproof sealing strip 6; through the setting of fire-proof sealing strip 6, reduced flame and dense cigarette and can see through the probability that prevents that 2 week side gaps of fire door body outwards ooze to this has strengthened this fire door's sealed fire prevention effect.

The implementation principle that a clean first grade of fire door was prevented to normal close formula building in this application embodiment is: in the daily use process, when the fireproof door body 2 is required to be manufactured, the reinforcing piece 4 is required to be arranged in the installation groove 211 between the two wood layers, the fireproof door body 2 is further manufactured, after the fireproof door body 2 is manufactured, the fireproof sealing strip 6 is fixedly sleeved on the outer side of the fireproof door body 2, and the fireproof door body 2 is hinged and fixed with the door frame 1 through the connecting piece 11; through the arrangement of the reinforcing piece 4, the transverse reinforcing ribs 41 and the vertical reinforcing ribs 42 simultaneously reinforce the structure of the wood layer 21, so that the probability of deformation of the wood layer 21 caused by fire burning or high temperature influence is reduced, and the probability of shortening the fireproof time efficiency caused by damage of the fireproof door body 2 is reduced; simultaneously, through the setting of first slope strengthening rib 441 and second slope strengthening rib 442, the structural strength of timber layer 21 has further been strengthened to further reduced timber layer 21 and received the fire burning or receive the high temperature influence to lead to the probability of warping, be favorable to reducing the probability that prevents that fire door body 2 damages and lead to the time efficiency of preventing fires to shorten.

The above are preferred embodiments of the present application, and the scope of protection of the present application is not limited thereto, so: equivalent changes in structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims

1. The utility model provides a clean first grade of normal close formula building prevents fire door, prevents fire door body (2) and door closer (3) including door frame (1), closed door frame (1), its characterized in that: the fireproof door body (2) comprises a wood layer (21), a fireproof coating layer (22), a perlite layer (23) and an asbestos layer (24), the fireproof coating layer (22) is coated on the outer side of the wood layer (21), the side wall of one side of the perlite layer (23) is fixed with the side wall of one side of the wood layer (21), the side wall of one side of the asbestos layer (24) is fixed with the side wall of one side of the pearl edge layer far away from the wood layer (21), the wood layer (21) and the perlite layer (23) are provided with a reinforcing piece (4) together, the reinforcing piece (4) comprises a transverse reinforcing rib (41) fixed with the wood layer (21), a vertical reinforcing rib (42) fixed with the transverse reinforcing rib (41) and a fixing column (43) fixed with the side wall of the transverse reinforcing rib (41) close to the perlite layer (23), one end of the fixing column (43) far away from the transverse reinforcing rib (41) is fixed with the side wall of one side of the perlite layer (23).

2. The normally closed type building clean class a fire door of claim 1, characterized in that: horizontal strengthening rib (41) are provided with a plurality ofly, and are a plurality of horizontal strengthening rib (41) are along vertical direction equidistance permutation distribution, vertical strengthening rib (42) are provided with a plurality ofly, and are a plurality of vertical strengthening rib (42) are along horizontal direction equidistance permutation distribution, adjacent two horizontal strengthening rib (41) and adjacent two form rectangle space (44) between vertical strengthening rib (42), be provided with first slope strengthening rib (441) in rectangle space (44), the crossing department of horizontal strengthening rib (41) and vertical strengthening rib (42) of first slope strengthening rib (441) one end and rectangle space (44) lower extreme is fixed, the crossing department of horizontal strengthening rib (41) and vertical strengthening rib (42) of first slope strengthening rib (441) other end and rectangle space (44) upper end is fixed.

3. The normally closed type building clean class a fire door of claim 2, characterized in that: a second inclined reinforcing rib (442) is fixed in the middle of the first inclined reinforcing rib (441), a right angle is formed between the first inclined reinforcing rib (441) and the second inclined reinforcing rib (442), and the intersection of one end, far away from the first inclined reinforcing rib (441), of the second inclined reinforcing rib (442) and the transverse reinforcing rib (41) and the vertical reinforcing rib (42) at the upper end of the rectangular space (44) is fixed.

4. The normally closed type building clean class a fire door of claim 3, characterized in that: the wood layer (21) is provided with two sets ofly, two sets of mounting groove (211) have all been seted up to the lateral wall that wood layer (21) is close to each other, horizontal strengthening rib (41), vertical strengthening rib (42), first slope strengthening rib (441) and second slope strengthening rib (442) all set up in mounting groove (211) and fixed with wood layer (21).

5. The normally closed building clean class A fire door of claim 4, wherein: the high-temperature-resistant wood floor is characterized in that a high-temperature-resistant adhesive layer (5) is coated in the mounting groove (211), and the high-temperature-resistant adhesive layer (5) is used for fixing the transverse reinforcing rib (41), the vertical reinforcing rib (42), the first inclined reinforcing rib (441) and the second inclined reinforcing rib (442) with the wood floor (21).

6. The normally closed building clean class a fire door of claim 1, characterized in that: prevent that fire door body (2) week lateral wall cover is equipped with fire-resistant sealing strip (6), fire-resistant sealing strip (6) are fire-resistant sealing strip (6) that adopt fire-retardant rubber to make.

7. The normally closed type building clean class a fire door of claim 6, wherein: prevent that the lateral wall of fire door body (2) one side installs connecting piece (11) that are used for connecting prevent fire door body (2) and door frame (1), connecting piece (11) run through fire-proof sealing strip (6) and with fire-proof sealing strip (6) clearance fit.