CN213016063U

CN213016063U - Door core structure of wooden fireproof door

Info

Publication number: CN213016063U
Application number: CN202021256142.1U
Authority: CN
Inventors: 周文江
Original assignee: Jiangxi Renwen Fire Equipment Co Ltd
Current assignee: Jiangxi Maidan Yongming Wood Industry Co ltd
Priority date: 2020-06-30
Filing date: 2020-06-30
Publication date: 2021-04-20
Anticipated expiration: 2030-06-30

Abstract

The utility model discloses a door core structure of a wooden fireproof door, which belongs to the technical field of fireproof doors, and adopts the technical scheme that the structure comprises a solid wood edge banding and two decorative plates which are parallel to each other, wherein the whole solid wood edge banding is in a square shape, the cross section of the solid wood edge banding is in a square groove shape with an inward opening, the two decorative plates are arranged at the inner sides of the solid wood edge banding square structure, the edges around the two decorative plates are embedded into the solid wood edge banding square groove structure, the solid wood edge banding and the two decorative plates form a hollow cuboid structure, and the solid wood edge banding and the two decorative plates form the hollow cuboid structure; the hardwood framework is in a square column shape, and the two hardwood frameworks are respectively embedded into square groove structures arranged on the left side and the right side of the solid wood edge sealing. The door core structure of the wooden fireproof door has good firmness and fire resistance.

Description

Door core structure of wooden fireproof door

Technical Field

The utility model relates to a prevent fire door technical field, specifically be a fire door's door core structure is prevented to wood system.

Background

A fire door is a door that can meet the requirements of fire stability, integrity and thermal insulation within a certain period of time. The fireproof partition is a fireproof partition with certain fire resistance, which is arranged between fireproof partitions, evacuation staircases, vertical shafts and the like, and is an important component of building fire-fighting measures, wherein fire doors are required to be arranged at the positions of the fireproof partitions of evacuation channels in a building so as to ensure that people can evacuate and pass through the fireproof doors when a fire accident happens, and the fireproof doors can prevent fire from spreading from a disaster area to an adjacent fireproof partition after being closed.

Common fire door's door core on the market is mostly by the PLASTIC LAMINATED, fireproof cotton and the simple suppression combination of skeleton form, wherein the PLASTIC LAMINATED and fireproof cotton ground are softer, and the skeleton is then hard material, the skeleton has played the support additional action to PLASTIC LAMINATED and fireproof cotton, such soft or hard combination just leads to in case prevent fire door receive after the powerful extrusion, the skeleton just produces the squeezing action to PLASTIC LAMINATED and fireproof cotton easily, thereby lead to the PLASTIC LAMINATED and fireproof cotton in the door core to receive the damage, and the skeleton also produces easily at this in-process and becomes flexible even drops, and then can greatly reduced door core's fastness and fire behavior.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a fire door's door core structure is prevented to wood system, this kind of fire door's door core structure is prevented to wood system has fine fastness and fire proofness.

The above technical purpose of the present invention can be achieved by the following technical solutions: the utility model provides a fire door's of wood system door core structure, includes wood banding and two decorative boards that are parallel to each other, the whole of wood banding is "back" style of calligraphy, and its transversal personally submits "square groove" type that the opening is inwards, two the decorative board all sets up the inboard of wood banding "back" style of calligraphy structure, and two the marginal embedding all around of decorative board sets up in the inside of wood banding "square groove" structure, the wood banding constitutes a hollow "cuboid" structure with two the decorative board together, the inside of hollow "cuboid" structure that the wood banding and two the decorative board constitute together is provided with two hardwood skeletons, two PLASTIC LAMINATED and fireproof cotton; the hardwood framework is in a square column shape, two pieces of hardwood framework are respectively embedded into square groove structures arranged at the left side and the right side of the solid wood edge sealing, the hardwood framework is provided with three side surfaces which are attached to the solid wood edge sealing, one side surface which is not attached to the solid wood edge sealing abuts against two decorative plates, the side surface is also provided with two first grooves which are parallel to each other and consistent with the trend of the decorative plates, the two first grooves are flush with the two decorative plates, the inner walls of the two first grooves which are close to each other are vertically provided with third grooves, the inner parts of the third grooves are provided with elastic strips and positioning strips which are fixedly connected together, wherein one end of each elastic strip, which is far away from the positioning strips, is fixedly connected to the deepest part of the third groove, and one end of each positioning strip, which is far away from the elastic strips, extends outwards from the inner parts of the third grooves, the section of the positioning strip is in a right-angled trapezoid shape, and the part of the positioning strip extending out of the third groove is a slope surface of the right-angled trapezoid structure; the two fireproof plates are respectively inserted into the two first grooves, and positioning grooves matched with the positioning strips are formed in the two fireproof plates; the fireproof cotton is filled between the two fireproof plates and the two hardwood skeletons.

Furthermore, decorative strips are fixedly arranged at the joints of the two decorative plates and the solid wood edge seals.

Further, the inside fixed mounting of wood banding "square groove" structure has the dop that the cross-section is "T" type, hardwood skeleton with a side of wood banding laminating seted up with the equal corresponding second recess in dop shape position.

Further, the hardwood skeleton with the decorative board the wood banding the PLASTIC LAMINATED and all adopt sticky mode to carry out fixed connection between the fireproof cotton.

Further, the fireproof plate is a perlite plate.

To sum up, the utility model discloses following beneficial effect has:

this kind of fire door's door core structure is prevented to wood system, its inside hardwood skeleton is at the decorative board, under the combined action of location strip and constant head tank, it is difficult to follow the door core and becomes flexible and break away from to realize hardwood skeleton, also can not crush PLASTIC LAMINATED and fireproof cotton because of outside extrusion, make PLASTIC LAMINATED and fireproof cotton keep intact, thereby make the door core have better fire behavior all the time, and seted up twice first recess on the hardwood skeleton, through inserting two PLASTIC LAMINATES to this twice first recess in, realize the firm installation of hardwood skeleton and PLASTIC LAMINATED, thereby make whole fire door's door core structure have fine fastness and fire proofness.

Drawings

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

FIG. 2 is a disassembled view of the local trimming structure of the present invention;

FIG. 3 is an enlarged view of the structure of FIG. 2A;

FIG. 4 is a perspective view of a hardwood skeleton in a partially cut out configuration of the present invention;

fig. 5 is a cross-sectional view of the hardwood frame in the local trimming structure of the present invention.

In the figure: 1. a decorative plate; 2. edge sealing of solid wood; 201. clamping a head; 3. decorating strips; 4. a hardwood framework; 401. a first groove; 402. a second groove; 403. a third groove; 4031. an elastic strip; 4032. a positioning bar; 5. a fire-proof plate; 501. positioning a groove; 6. fireproof cotton.

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.

Referring to fig. 1-5, a door core structure of a wooden fire door comprises a solid wood edge banding 2 and two decorative boards 1 which are parallel to each other, wherein the whole solid wood edge banding 2 is in a shape of a square groove with an inward opening in the cross section, the two decorative boards 1 are arranged on the inner side of the solid wood edge banding 2 in the shape of the square groove, the edges of the peripheries of the two decorative boards 1 are embedded into the solid wood edge banding 2 in the shape of the square groove, the solid wood edge banding 2 and the two decorative boards 1 form a hollow cuboid structure, and two hard wood frameworks 4, two fire-proof boards 5 and fire-proof cotton 6 are arranged inside the hollow cuboid structure formed by the solid wood edge banding 2 and the two decorative boards 1; the hardwood framework 4 is in a square column shape, two hardwood frameworks 4 are respectively embedded in square groove structures arranged at the left side and the right side of a solid wood edge banding 2, the hardwood framework 4 is provided with three side surfaces which are jointed with the solid wood edge banding 2, one side surface which is not jointed with the solid wood edge banding 2 is abutted against two decorative boards 1, the side surface is also provided with two first grooves 401 which are parallel to each other and consistent with the trend of the decorative boards 1, the two first grooves 401 are flush with the two decorative boards 1, the inner walls of the two first grooves 401 which are close to each other are respectively and vertically provided with a third groove 403, the inside of the third groove 403 is provided with an elastic strip 4031 and a positioning strip 4032 which are fixedly connected together, wherein one end of the elastic strip 4031 far away from the positioning strip 4032 is fixedly connected at the deepest part of the third groove 403, one end of the positioning strip 4032 far away from the elastic strip 4031 extends outwards from the inside of the third groove 403, the section of the positioning strip 403, the part of the third groove 403 extending out is the slope surface of the 'right-angled trapezoid' structure; the two fireproof plates 5 are respectively inserted into the two first grooves 401, and positioning grooves 501 matched with the positioning strips 4032 are formed in the two fireproof plates 5; the fireproof cotton 6 is filled between the two fireproof plates 5 and the two hardwood skeletons 4.

Through the above technical solution, when the fire-proof plate 5 and the hardwood framework 4 are assembled, firstly, the two fire-proof plates 5 are respectively inserted into the two first grooves 401, in this process, the fire-proof plate 5 extrudes the two positioning strips 4032, the extruded positioning strip 4032 extrudes the elastic strip 4031 again, so that the positioning strip 4032 retracts into the third groove 403 at this time, when the positioning groove 501 on the fire-proof plate 5 moves to correspond to the position of the third groove 403, at this time, the fire-proof plate 5 does not extrude the positioning strip 4032 any more, so that the positioning strip 4032 which is extruded and retracts into the third groove 403 rapidly bounces up to the inside of the positioning groove 501 under the action of the elastic strip 4031, so as to be clamped with the positioning groove 501, thereby completing the combined installation of the two fire-proof plates 5 and the hardwood framework 4, after the state combination shown in fig. 1 of the utility model is completed, when the hardwood framework 4 receives an external force towards the fire-proof plate 5 direction, under the limiting displacement of two blocks of decorative boards 1 to hardwood skeleton 4, hardwood skeleton 4 can't extrude PLASTIC LAMINATED 5 and fireproof cotton 6, thereby can ensure that PLASTIC LAMINATED 5 and fireproof cotton 6 are difficult to be crushed by external force, and then make PLASTIC LAMINATED 5 and fireproof cotton 6 keep intact, thereby make the door core have better fire behavior all the time, and with the help of hardwood skeleton 4 on location strip 4032 and the PLASTIC LAMINATED 5 between the chucking cooperation each other of constant head tank 501, realize in case hardwood skeleton 4 finishes with the installation of PLASTIC LAMINATED 5, so that difficult in order not hard up breaks away from, realize preventing hardwood skeleton 4 in the door core structure, the firm connection of PLASTIC LAMINATED 5 and fireproof cotton 6.

Further, as shown in fig. 1 and 2, a decorative strip 3 is fixedly installed at the joint of the two decorative plates 1 and the solid wood edge banding 2, so that the two decorative plates 1 and the solid wood edge banding 2 are more firmly and more attractive in connection.

Further, as shown in fig. 1 and 4, the inside fixed mounting of 2 "square groove" structures of wood banding has dop 201 that the cross-section is "T" type,

hardwood skeleton

4 and 2 side faces of laminating of wood banding are seted up with dop 201 shape position equal corresponding second recess 402, through dop 201 and the mutually supporting of second recess 402, make wood banding 2 and hardwood skeleton 4 assemble together more firmly, thereby make hardwood skeleton 4 be difficult to break away from on wood banding 2, and then make the structure of the two more firm.

Further, all adopt sticky mode to carry out fixed connection between hardwood skeleton 4 and decorative board 1, wood banding 2, PLASTIC LAMINATED 5 and the fireproof cotton 6, further promoted the utility model discloses a fastness and reliability.

Preferably, the fireproof plate 5 in this embodiment is a perlite plate, and the material has the advantages of light dead weight, high strength, good toughness, fire resistance, heat insulation, convenience in construction and the like, and is very suitable for being used as a door core fireproof material of a wooden fireproof door.

The present embodiment is only for explaining the present invention, and it is not limited to the present invention, and those skilled in the art can make modifications to the present embodiment without inventive contribution as required after reading the present specification, but all of them are protected by patent laws within the scope of the claims of the present invention.

Claims

1. The utility model provides a fire door's of wood system door core structure, includes decorative board (1) that wood banding (2) and two are parallel to each other, the whole of wood banding (2) is "back" style of calligraphy, and its transversal personally submits "square groove" type of opening court inward, two decorative board (1) all sets up wood banding (2) "back" the inboard of style of calligraphy structure, and two decorative board (1) edge all around imbeds and sets up wood banding (2) "square groove" the inside of structure, wood banding (2) and two decorative board (1) constitutes a hollow "cuboid" structure, its characterized in that together:

two hardwood frameworks (4), two fireproof plates (5) and fireproof cotton (6) are arranged inside a hollow cuboid structure formed by the solid wood edge sealing (2) and the two decorative plates (1);

hardwood skeleton (4) are "square column" form, two hardwood skeleton (4) imbed respectively and set up in the "square groove" structure of wood banding (2) left and right sides, hardwood skeleton (4) have three side with wood banding (2) laminate mutually, its do not with a side and two of wood banding (2) laminating decorative board (1) counterbalance leans on to still seted up the twice on this side and be parallel to each other and with decorative board (1) move towards unanimous first recess (401), twice first recess (401) and two decorative board (1) flush, twice third recess (403) have all been seted up perpendicularly on the inner wall that first recess (401) are close to each other, the inside of third recess (403) is provided with elastic strip (4031) and location strip (4032) together of fixed connection, wherein elastic strip (4031) is kept away from the one end fixed connection of location strip (4032) is in the one end fixed connection of third recess (403) is in the structure of third recess (4032) The end, far away from the elastic strip 4031, of the positioning strip 4032 extends outwards from the inside of the third groove 403, the cross section of the positioning strip 4032 is in a right-angled trapezoid shape, and the part of the positioning strip 4032 extending out of the third groove 403 is a slope surface of the right-angled trapezoid structure;

the two fireproof plates (5) are respectively inserted into the two first grooves (401), and positioning grooves (501) matched with the positioning strips (4032) are formed in the two fireproof plates (5);

the fireproof cotton (6) is filled between the two fireproof plates (5) and the two hardwood skeletons (4).

2. A door core structure of a fire door made of wood according to claim 1, wherein: and decorative strips (3) are fixedly arranged at the joints of the two decorative plates (1) and the solid wood edge seals (2).

3. A door core structure of a fire door made of wood according to claim 1, wherein: the inside fixed mounting of wood banding (2) "square groove" structure has dop (201) that the cross-section is "T" type, hardwood skeleton (4) with a side of wood banding (2) laminating seted up with dop (201) shape position is equal corresponding second recess (402).

4. A door core structure of a fire door made of wood according to claim 1, wherein: hardwood skeleton (4) with decorative board (1), wood banding (2) fire prevention board (5) and all adopt sticky mode to carry out fixed connection between fire prevention cotton (6).

5. A door core structure of a fire door made of wood according to claim 1, wherein: the fireproof plate (5) is a perlite plate.