CN216341757U

CN216341757U - Door leaf flanging structure of steel heat-insulation fireproof door

Info

Publication number: CN216341757U
Application number: CN202122704185.2U
Authority: CN
Inventors: 王和勇; 付良波; 戴惠芳; 彭丽
Original assignee: Hunan Grace Door Industry Co ltd
Current assignee: Hunan Grace Door Industry Co ltd
Priority date: 2021-11-05
Filing date: 2021-11-05
Publication date: 2022-04-19
Anticipated expiration: 2031-11-05

Abstract

The utility model discloses a door leaf flanging structure of a steel heat-insulation fireproof door, which comprises a door leaf frame and a plurality of metal plates, wherein the metal plates are respectively positioned on the inner walls of two sides of the door leaf frame; the heat-proof device both ends are equipped with the turn-ups mechanism that can make heat-proof device and door leaf frame fastening joint, this steel is thermal-insulated prevents fire door leaf turn-ups structure, make two metal sheets glue respectively on positive and negative two quick fire prevention face through the heat-proof device that sets up, with fossil fragments contact UNICOM, cut off the heat-conduction route of metalwork, whole door leaf has become a big adiabatic gap bridge in fact, the heat-proof quality of preventing fire door has been improved, simultaneously can make PLASTIC LAMINATED AND gate leaf frame joint through the turn-ups mechanism that sets up, fasten the positive and negative at fossil fragments respectively, the inseparable structure of fossil fragments quilt clamp in the middle of having formed.

Description

Door leaf flanging structure of steel heat-insulation fireproof door

Technical Field

The utility model relates to the technical field of fireproof doors, in particular to a door leaf flanging structure of a steel heat-insulation fireproof door.

Background

The steel fireproof door in the prior art comprises a keel, a fireproof plate and a metal plate from inside to outside, wherein the fireproof plate is adhered to the keel, the metal plate is adhered to the fireproof plate, and the metal plate is adhered to the fireproof plate; in order to prevent the fire-proof plate from deforming, channeling fire and smoke, a heat-insulating layer is compounded, and a heat-insulating gap bridge structure is adopted, so that the defects that a plurality of heat-insulating gap bridge parts are needed, point contact surfaces are formed among the heat-insulating gap bridge parts, local stress is caused, the strength is low, the process is complex, the efficiency is low, the cost is high, and the yield and the consistency are poor are overcome. Therefore, the door leaf flanging structure of the steel heat-insulation fireproof door is provided.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a door leaf flanging structure of a steel heat-insulation fireproof door, which aims to solve the problems in the background technology.

In order to achieve the purpose, the utility model provides the following technical scheme: a door leaf flanging structure of a steel heat-insulation fireproof door comprises a door leaf frame and a plurality of metal plates, wherein the metal plates are respectively positioned on the inner walls of two sides of the door leaf frame; and two ends of the heat insulation device are provided with flanging mechanisms which can enable the heat insulation device to be fastened and clamped with the door leaf frame.

Preferably, the heat insulation device comprises fire-proof plates arranged in the sliding grooves, keels are arranged between the fire-proof plates, and the two ends of any one of the fire-proof plates are connected with a flanging mechanism capable of clamping the fire-proof plate and the keels.

Preferably, the flanging mechanism comprises a plurality of first folding edges arranged at one end of the fireproof plate, a clamping groove is formed in the position, corresponding to the first folding edge, of the door leaf frame, an extrusion piece capable of enabling the first folding edge to pop out is arranged in the clamping groove, a second folding edge is arranged at the other end of the fireproof plate, and the second folding edge is clamped with the sealing plate.

Preferably, the extruded piece includes a plurality of compression spring that sets up in the joint groove bottom, compression spring top is equipped with the extrusion button.

Preferably, the first folding edge is folded outwards in the horizontal direction and provided with an upward convex part.

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

1. after the structure is adopted, the two metal plates are respectively glued on the front and back quick fireproof plate surfaces through the arranged heat insulation device and are not in contact communication with the keel, so that a heat conduction path of the metal piece is isolated, the whole door leaf actually forms a large heat insulation gap bridge, and the heat insulation performance of the fireproof door is improved.

2. After the structure is adopted, the fireproof plate can be clamped with the door leaf frame through the arranged flanging mechanism and respectively fastened on the front side and the back side of the keel, so that a compact structure that the keel is clamped in the middle is formed.

Drawings

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

FIG. 2 is a front view of the door leaf of the present invention;

figure 3 is a front view of the structural keel of the present invention;

FIG. 4 is a schematic bottom sectional view of the structural door leaf of the present invention;

FIG. 5 is a schematic side cross-sectional view of the inventive structure;

FIG. 6 is a schematic view of the connection of the first flange to the extrusion according to the present invention;

FIG. 7 is a schematic front view of an extrusion of the present invention in its configuration;

FIG. 8 is a schematic front view of a structural fire shield of the present invention;

FIG. 9 is a front view of the first folded edge of the present invention.

In the figure: 1-a door leaf frame; 2-a metal plate; 3-a chute; 4-a thermal insulation device; 41-fireproof plate; 42-keel; 5-a flanging mechanism; 51-a first hem; 52-a clamping groove; 53-extrusion; 54-second hem; 55-a closing plate; 56-compression spring; 57-squeeze button; 58-upwardly projecting portion; 6-a door frame; 7-door leaf; 8-fireproof glass; 9-a door closer; 10-a cis-position device; 11-fireproof lock.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1-9, the present invention provides a technical solution: a door leaf flanging structure of a steel heat-insulation fireproof door comprises a door frame 6 and a door leaf 7, wherein the door leaf 7 is connected with the door frame 6 through a hinge, the door leaf 7 is connected with fireproof glass 8 through a pressing strip in a welding mode, a door closer 9 and a synchronizer 10 are installed at the top of the door leaf 7 and the upper portion of the door frame 6, a fireproof lock 11 is assembled on the longitudinal free edge of the door leaf 7, the door leaf 7 comprises a door leaf frame 1 and a plurality of metal plates 2, the metal plates 2 are respectively fixed on the inner walls of two sides of the door leaf frame 1, a plurality of sliding grooves 3 are formed in the inner wall of the door leaf frame 1, the sliding grooves 3 are located between the metal plates 2, and a heat insulation device 4 capable of blocking heat conduction of the metal plates 2 and improving fireproof performance is slidably connected in the sliding grooves 3; the two ends of the heat insulation device 4 are provided with flanging mechanisms 5 which can enable the heat insulation device 4 to be fastened and clamped with the door leaf frame 1, when the door leaf 7 is assembled and installed, the heat insulation device 4 slides on the inner wall of the door leaf frame 1 along the sliding groove 3, the heat insulation device 4 is clamped with the inner wall of the door leaf frame 1 through the flanging mechanisms 5, and the metal plates 2 are bonded on the two sides of the heat insulation device 4.

Heat-proof device 4 is including setting up PLASTIC LAMINATED 41 in spout 3, be equipped with fossil fragments 42 between the PLASTIC LAMINATED 41, fossil fragments 42 weld into a whole with door leaf frame 1, two be equipped with the fire prevention filler in the middle of the PLASTIC LAMINATED 41, the fire prevention filler is the pearlite PLASTIC LAMINATED, arbitrary one the fixed flanging mechanism 5 that can make PLASTIC LAMINATED 41 and fossil fragments 42 press from both sides tight in PLASTIC LAMINATED 41 both ends, when installing heat-proof device 4, will door leaf frame 1 welds into wholly with the fossil fragments 42 of arranging with great ease, with fossil fragments 42 both sides PLASTIC LAMINATED 41 promotes along spout 3, makes flanging mechanism 5 and the joint of PLASTIC LAMINATED 41 one end press from both sides fossil fragments 42 and PLASTIC LAMINATED 41 and tightly fix.

The flanging mechanism 5 comprises a plurality of first flanges 51 arranged at one end of the fireproof plate 41, a clamping groove 52 is arranged at the position of the door leaf frame 1 corresponding to the first flanges 51, an extrusion piece 53 which can enable the first folded edge 51 to be popped out is arranged in the clamping groove 52, a second folded edge 54 is arranged at the other end of the fireproof plate 41, a closing plate 55 is clamped on the second folded edge 54, when the fireproof plate 41 is clamped, the fireproof plate 41 is pushed along the sliding groove 3, the first folding edge 51 at one end of the fireproof plate 41 is clamped with the clamping groove 52 to fix the fireproof plate 41, the sealing plate 55 is clamped with the second folding edge 54 at the other end of the fireproof plate 41 to protect the fireproof plate 41 and the keel 42, when the fireproof plate 41 needs to be detached, the closing plate 55 is taken down, the first folded edge 51 is extruded by pressing the extrusion piece 53 to release the clamping state with the door leaf frame 1, and meanwhile, the fireproof plate 41 is pulled and taken down easily.

The extruded piece 53 is including setting up a plurality of compression spring 56 in joint groove 52 bottom, compression spring 56 top is equipped with extrusion button 57, when dismantling PLASTIC LAMINATED 41, presses extrusion button 57, extrusion button 57 extrusion compression spring 56 extrudes first hem 51 simultaneously, makes first hem 51 take place elastic deformation and with door leaf frame 1 release the joint state, loosens extrusion button 57 after PLASTIC LAMINATED 41 roll-off, compression spring 56 will extrude button 57 and push back initial position.

First hem 51 has upwards bellying 58 to the outside along horizontal direction jack-up, when carrying out the joint with door leaf frame 1, upwards bellying 58 receives joint groove 52 extrusion to take place elastic deformation downwards to make first hem 51 get into in the joint groove 52, after getting into in the joint groove 52, upwards bellying 58 resumes initial height and with joint groove 52 inner wall joint.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

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 utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a door leaf flanging structure of fire door is prevented to steel heat insulation, includes door leaf frame (1) and a plurality of metal sheet (2), a plurality of metal sheet (2) are located door leaf frame (1) both sides inner wall, its characterized in that respectively: the inner wall of the door leaf frame (1) is provided with a plurality of sliding chutes (3), the sliding chutes (3) are positioned between the metal plates (2), and heat insulation devices (4) capable of isolating the metal plates (2) from heat conduction and improving the fire resistance are arranged in the sliding chutes (3);

and two ends of the heat insulation device (4) are provided with flanging mechanisms (5) which can enable the heat insulation device (4) to be fastened and clamped with the door leaf frame (1).

2. The flanging structure of the steel heat-insulating fireproof door leaf as claimed in claim 1, wherein: the heat insulation device (4) comprises fireproof plates (41) arranged in the sliding groove (3), keels (42) are arranged between the fireproof plates (41), and the two ends of any one of the fireproof plates (41) are connected with a flanging mechanism (5) capable of clamping the fireproof plates (41) and the keels (42).

3. The flanging structure of the steel heat-insulating fireproof door leaf as claimed in claim 1, wherein: the flanging mechanism (5) comprises a plurality of first flanging (51) arranged at one end of the fireproof plate (41), a clamping groove (52) is formed in the position, corresponding to the first flanging (51), of the door leaf frame (1), an extrusion part (53) capable of enabling the first flanging (51) to pop up is arranged in the clamping groove (52), a second flanging (54) is arranged at the other end of the fireproof plate (41), and a sealing plate (55) is clamped in the second flanging (54).

4. The flanging structure of steel door leaf for thermal insulation and fire door of claim 3, wherein: the extruded part (53) comprises a plurality of compression springs (56) arranged at the bottoms of the clamping grooves (52), and an extruding button (57) is arranged above the compression springs (56).

5. The flanging structure of steel door leaf for thermal insulation and fire door of claim 3, wherein: the first folded edge (51) is provided with an upward convex part (58) which is folded outwards along the horizontal direction.