CN210067884U

CN210067884U - Wooden heat-insulating fireproof double-leaf door

Info

Publication number: CN210067884U
Application number: CN201920146134.2U
Authority: CN
Inventors: 李龙
Original assignee: Renqiu Xianglong Fire Equipment Co Ltd
Current assignee: Renqiu Xianglong Fire Equipment Co Ltd
Priority date: 2019-01-28
Filing date: 2019-01-28
Publication date: 2020-02-14
Anticipated expiration: 2029-01-28

Abstract

The utility model discloses a wooden heat-insulating fireproof double-leaf door, which comprises a door frame and two door leaves; an anti-friction gap is reserved between the two door leaves; cover seam components for shielding the anti-friction gap are symmetrically arranged on the two door leaves; the cover seam component consists of a steel cover plate and a rubber sealing strip; the door leaf comprises an outer framework and a door core plate fixed in the center of the outer framework; the door core plate sequentially comprises a fireproof filling plate, a metal reinforcing grid plate and a flame-retardant wood base plate from inside to outside; the fireproof filling plate consists of a first fireproof plate and a second fireproof plate; the contact surface of the first fireproof plate and the second fireproof plate is provided with a plurality of convex columns which protrude outwards and are uniformly distributed; the convex columns of the first fireproof plate are attached to the convex columns of the second fireproof plate, and expansion gaps are reserved between the adjacent convex columns; the utility model discloses a wooden thermal-insulated fire prevention double door, thermal-insulated fireproof effect is good, and long service life.

Description

Wooden heat-insulating fireproof double-leaf door

Technical Field

The utility model relates to a fire prevention double leaf door especially relates to a wooden thermal-insulated fire prevention double leaf door, belongs to and prevents fire door technical field.

Background

The fire door is an important component of building fire-fighting measures, and the evacuation channels in the building are all required to be provided with the fire door at the fire-proof subareas so as to ensure that ten persons can evacuate and pass the fire door once a fire accident happens and can prevent the fire condition from spreading from a disaster area to an adjacent fire-proof subarea after the fire door is closed; according to the fire prevention standard of building design, the fire-proof door is a side-hung door and has a self-closing function; the fireproof door for evacuation is opened towards the evacuation direction, and is required to prevent fire and smoke after being closed, and the requirement that the fireproof time is not lower than the specified fireproof limit time is met; when the fireproof double-leaf door is closed, a gap exists between the two door leaves, and heat and smoke easily enter from the gap when a fire disaster occurs, so that the heat insulation and fireproof effects are influenced; in order to improve the sealing performance of a fireproof door, a sealing strip is arranged on a door leaf contact surface of the existing fireproof double-leaf door for heat insulation, but the sealing strip is easy to wear when the door leaf is used for a long time and the sealing heat insulation effect is influenced when the door leaf is opened or closed; therefore, in order to solve the above problems, it is desired to design a new fireproof double-leaf door with good heat insulation effect and long service life.

SUMMERY OF THE UTILITY MODEL

In order to solve the problem, the utility model provides a wooden thermal-insulated fire prevention double door, thermal-insulated fire prevention is effectual, and long service life.

The utility model relates to a wooden heat-insulating fireproof double-leaf door, which comprises a door frame and two door leaves; the two door leaves are respectively hinged to the inner side of the door frame through fireproof hinges; a fireproof lock is arranged between the two door leaves; an anti-friction gap is reserved between the two door leaves, and the anti-friction gap is reserved between the two door leaves, so that the contact surface abrasion caused by opening and closing of the door leaves can be effectively reduced, and the service life of the door leaves is prolonged; cover seam components for shielding the anti-friction gap are symmetrically arranged on the two door leaves; the cover seam component consists of a steel cover plate and a rubber sealing strip; the rubber sealing strip is fixed on the inner side of the steel cover plate; one side of the steel cover plate, which is far away from the rubber sealing strip, is fixedly connected with the door leaf through a fastening bolt, and the form of combining the steel cover plate and the rubber sealing strip is adopted, so that an anti-friction gap can be effectively blocked when the door leaf is closed, and the heat insulation and smoke isolation effects are enhanced;

the door leaf comprises an outer framework and a door core plate fixed in the center of the outer framework; the door core plate sequentially comprises a fireproof filling plate, a metal reinforcing grid plate and a flame-retardant wood base plate from inside to outside; the fireproof filling plate is adhered to the inner side of the flame-retardant wood substrate through the metal reinforcing grid plate; the fireproof filling plate consists of a first fireproof plate and a second fireproof plate, and the first fireproof plate and the second fireproof plate are symmetrically arranged; the contact surface of the first fireproof plate and the second fireproof plate is provided with a plurality of convex columns which protrude outwards and are uniformly distributed; the convex columns of the first fireproof plate and the convex columns of the second fireproof plate are attached, expansion gaps are reserved between the adjacent convex columns, and the fireproof filling plate is fixed with the flame-retardant wood substrate through the metal reinforced grid plate, so that the overall structural strength of the door leaf is improved, and the impact resistance of the door leaf is enhanced; adopt the good metal material of heat conductivity as reinforcing grid board to make up two first PLASTIC LAMINATED and the second PLASTIC LAMINATED that are equipped with the projection, form a plurality of even respective expansion gaps, be favorable to being heated at the door leaf and can not cause panel to break away from because of the panel inflation, the door leaf breaks even, has improved the heat resistance and the life of door leaf.

Furthermore, the joint of the two door leaves and the door frame is provided with a fireproof sealing strip.

Furthermore, the two cover seam components are respectively arranged at the front side and the rear side of the two door leaves, one cover seam component is arranged in front of one door leaf, and the other cover seam component is arranged behind the other door leaf.

As the preferred embodiment, when two door leaves are closed, the two rubber sealing strips are tightly attached to the surfaces of the two door leaves and are shielded in the front and at the back of the anti-friction gap, so that heat or smoke can be effectively prevented from entering the anti-friction gap between the two door leaves, and the heat-insulating and flame-retardant effects are improved.

Compared with the prior art, the anti-friction gap is reserved between the two door leaves of the wooden heat-insulating fireproof double-leaf door, so that the contact surface abrasion caused by opening and closing of the door leaves can be effectively reduced, and the service life of the door leaves is prolonged; the combined form of the steel cover plate and the rubber sealing strip is adopted, so that the anti-friction gap can be effectively blocked when the door leaves are closed, heat or smoke can be effectively prevented from entering the anti-friction gap between the two door leaves, and the heat insulation and smoke isolation effects are enhanced; the fireproof filling plate is fixed with the flame-retardant wood base plate through the metal reinforcing grid plate, so that the overall structural strength of the door leaf is improved, and the impact resistance of the door leaf is enhanced; adopt the good metal material of heat conductivity as reinforcing grid board to make up two first PLASTIC LAMINATED and the second PLASTIC LAMINATED that are equipped with the projection, form a plurality of even respective expansion gaps, be favorable to being heated at the door leaf and can not cause panel to break away from because of the panel inflation, the door leaf breaks even, has improved the heat resistance and the life of door leaf.

Drawings

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

Fig. 2 is a schematic sectional view of the utility model a-a.

Fig. 3 is an enlarged schematic view of the structure at the position B of the present invention.

Fig. 4 is an enlarged schematic view of the structure at position C of the present invention.

The parts in the drawings are marked as follows: 1-a door frame, 2-a door leaf, 3-a fireproof hinge, 4-a fireproof lock, 5-an anti-friction gap, 6-a cover seam component, 61-a steel cover plate, 62-a rubber sealing strip, 7-a fastening bolt, 8-an outer framework, 9-a door core plate, 91-a fireproof filling plate, 911-a first fireproof plate, 912-a second fireproof plate, 92-a metal reinforced grid plate, 93-a flame-retardant wood base plate, 10-a convex column and 11-an expansion gap.

Detailed Description

The wooden heat-insulating fireproof double-leaf door as shown in fig. 1 to 4 comprises a door frame 1 and two door leaves 2; the two door leaves 2 are respectively hinged to the inner side of the door frame 1 through fireproof hinges 3; a fireproof lock 4 is arranged between the two door leaves 2; an anti-friction gap 5 is reserved between the two door leaves 2; cover seam components 6 for shielding the anti-friction gaps 5 are symmetrically arranged on the two door leaves 2; the cover seam component 6 consists of a steel cover plate 61 and a rubber sealing strip 62; the rubber sealing strip 62 is fixed on the inner side of the steel cover plate 61; one side of the steel cover plate 61, which is far away from the rubber sealing strip 62, is fixedly connected with the door leaf 2 through a fastening bolt 7;

the door leaf 2 comprises an outer framework 8 and a door core plate 9 fixed in the center of the outer framework 8; the door core plate 9 comprises a fireproof filling plate 91, a metal reinforcing grid plate 92 and a flame-retardant wood base plate 93 from inside to outside in sequence; the fireproof filling plate 91 is adhered to the inner side of the flame-retardant wood substrate 93 through the metal reinforcing grid plate 92; the fireproof filling plate 91 consists of a first fireproof plate 911 and a second fireproof plate 912, and the first fireproof plate 911 and the second fireproof plate 912 are symmetrically arranged; the contact surface of the first fireproof plate 911 and the second fireproof plate 912 is provided with a plurality of convex columns 10 which protrude outwards and are uniformly distributed; the convex columns 10 of the first fireproof plate 911 and the convex columns 10 of the second fireproof plate 912 are attached, and an expansion gap 11 is reserved between the adjacent convex columns 10.

And fireproof sealing strips are arranged at the joint of the door leaf 2 and the door frame 1.

The two cover seam components 6 are respectively arranged at the front side and the rear side of the two door leaves 2, one cover seam component is arranged in front of one door leaf, and the other cover seam component is arranged at the rear of the other door leaf.

When the two door leaves 2 are closed, the two rubber sealing strips 62 are tightly attached to the surfaces of the two door leaves 2 and are shielded in front of and behind the anti-friction gap 5.

The anti-friction gap is reserved between the two door leaves of the wooden heat-insulating fireproof double-leaf door, so that the contact surface abrasion caused by opening and closing of the door leaves can be effectively reduced, and the service life of the door leaves is prolonged; the combined form of the steel cover plate and the rubber sealing strip is adopted, so that the anti-friction gap can be effectively blocked when the door leaves are closed, heat or smoke can be effectively prevented from entering the anti-friction gap between the two door leaves, and the heat insulation and smoke isolation effects are enhanced; the fireproof filling plate is fixed with the flame-retardant wood base plate through the metal reinforcing grid plate, so that the overall structural strength of the door leaf is improved, and the impact resistance of the door leaf is enhanced; adopt the good metal material of heat conductivity as reinforcing grid board to make up two first PLASTIC LAMINATED and the second PLASTIC LAMINATED that are equipped with the projection, form a plurality of even respective expansion gaps, be favorable to being heated at the door leaf and can not cause panel to break away from because of the panel inflation, the door leaf breaks even, has improved the heat resistance and the life of door leaf.

The above-mentioned embodiment is only the preferred embodiment of the present invention, so all the equivalent changes or modifications made by the structure, features and principles of the present invention are included in the claims of the present invention.

Claims

1. A wooden heat-insulating fireproof double-leaf door comprises a door frame and two door leaves; the two door leaves are respectively hinged to the inner side of the door frame through fireproof hinges; a fireproof lock is arranged between the two door leaves; the method is characterized in that: an anti-friction gap is reserved between the two door leaves; cover seam components for shielding the anti-friction gap are symmetrically arranged on the two door leaves; the cover seam component consists of a steel cover plate and a rubber sealing strip; the rubber sealing strip is fixed on the inner side of the steel cover plate; one side of the steel cover plate, which is far away from the rubber sealing strip, is fixedly connected with the door leaf through a fastening bolt;

the door leaf comprises an outer framework and a door core plate fixed in the center of the outer framework; the door core plate sequentially comprises a fireproof filling plate, a metal reinforcing grid plate and a flame-retardant wood base plate from inside to outside; the fireproof filling plate is adhered to the inner side of the flame-retardant wood substrate through the metal reinforcing grid plate; the fireproof filling plate consists of a first fireproof plate and a second fireproof plate, and the first fireproof plate and the second fireproof plate are symmetrically arranged; the contact surface of the first fireproof plate and the second fireproof plate is provided with a plurality of convex columns which protrude outwards and are uniformly distributed; the convex columns of the first fireproof plate and the second fireproof plate are attached, and an expansion gap is reserved between every two adjacent convex columns.

2. The wood-based heat-insulating and fire-proof double door as claimed in claim 1, wherein: and fireproof sealing strips are arranged at the joint of the two door leaves and the door frame.

3. The wood-based heat-insulating and fire-proof double door as claimed in claim 1, wherein: the two cover seam components are respectively arranged at the front side and the rear side of the two door leaves, one cover seam component is arranged in front of one door leaf, and the other cover seam component is arranged at the rear of the door leaf.

4. The wood-based heat-insulating and fire-proof double door as claimed in claim 1, wherein: when the two door leaves are closed, the two rubber sealing strips are tightly attached to the surfaces of the two door leaves and are shielded in front of and behind the anti-friction gap.