CN209738436U - High-strength fireproof hollow core-board - Google Patents

Abstract

The utility model discloses a hollow laminated wood board of high strength fire prevention, including interior sandwich layer, the flame retardant coating, veneer sheet layer and frame, the outside of interior sandwich layer is connected with the inboard of flame retardant coating, the outside of flame retardant coating is connected with the inboard of veneer sheet layer, the flame retardant coating, be connected with the inboard of frame all around of veneer sheet layer and frame, the below of the first inner core of interior sandwich layer bonds there is the second inner core, the last lower extreme of first inner core and second inner core all is provided with the planking, fixedly connected with wave plate between the upper and lower planking of first inner core, the middle part of wave plate is provided with the bracing piece, the frame comprises frame board and fixed deckle board, the equal fixedly connected with fixed deckle board of the last lower extreme of deckle board, the deckle board sets up in the hollow laminated wood board outside all around, and the inboard of deckle board is connected with the both ends of bracing piece, the inboard and the bottom plate. The high-strength fireproof hollow core-board has high structural strength and good fireproof performance, can maintain the structural form for a long time, and has long service life.

Description

high-strength fireproof hollow core-board

Technical Field

The utility model relates to a core-board technical field specifically is a hollow core-board of high strength fire prevention.

Background

The core-board is a special plywood produced by using wood laths spliced or hollow boards as core boards, covering two or more layers of plywood on two sides and performing glue pressing on the core boards. The characteristics of the core-board are mainly determined by the core-board structure, and the core-board is widely applied to the production of furniture manufacturing, sewing machine tables, carriages, ships and the like, the building industry and the like.

The core-board can be divided into a solid core-board and a hollow core-board according to the board core structure, the traditional hollow core-board is deficient in performance, the phenomenon of degumming and tilting of external boards can occur after the core-board is used for a period of time, and the service life of the core-board is influenced by the edge position in particular.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a hollow laminated wood board of high strength fire prevention has reached the permanent effect of intensity height and life.

In order to achieve the above object, the utility model provides a following technical scheme: a high-strength fireproof hollow core-board comprises an inner core layer, a fireproof layer, a plywood layer and an outer frame, wherein the outer side of the inner core layer is connected with the inner side of the fireproof layer;

the inner core layer consists of a first inner core, a second inner core, an outer plate, a wave plate and a support rod, the second inner core is bonded below the first inner core, the outer plates are arranged at the upper end and the lower end of the first inner core and the lower end of the second inner core, the wave plate is fixedly connected between the upper outer plate and the lower outer plate of the first inner core, and the support rod is arranged in the middle of the wave plate;

the plywood layer consists of a bottom plate, a decorative layer and a pattern layer, wherein the decorative layer is bonded on the outer side of the bottom plate, and the pattern layer is bonded on the outer side of the decorative layer;

The frame comprises frame board and fixed frame board, the fixed frame board of the equal fixedly connected with of the last lower extreme of frame board, the outside all around of sandwich layer, flame retardant coating and plywood layer including the frame board sets up, and the inboard both ends fixed connection with the bracing piece of frame board, the inboard and the bottom plate of fixed frame board are connected.

Preferably, the fire-proof layer is a high-quality asbestos plate.

preferably, the wave plate is composed of an inclined plane and a connecting arc, the connecting arc is arranged at the joint between the inclined plane and the other inclined plane, and the inclined plane and the connecting arc are integrally formed.

Preferably, the included angles between the inclined plane and between the inclined plane and the outer plate are all 60 degrees.

Preferably, the wave plates in the first inner core and the second inner core are arranged in mutually perpendicular directions, so that the support rods in the first inner core and the second inner core are arranged in mutually perpendicular directions, and the support rods horizontally penetrate through the inclined plane.

Preferably, the inner side of the fixed frame plate is connected with the bottom plate through a bolt, and the top end of the fixed frame plate, the top end of the bolt and the top end of the decorative layer are flush.

Preferably, all connect through the adhesive suppression between the layer, just the adhesive is reaction type polyurethane hot melt adhesive.

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

(1) This hollow core-board of high strength fire prevention has reached the effect of higher strength through the square structure with traditional hollow region has changed into the wave structure. The inclined plane and the inclined plane of waved plate, the contained angle between inclined plane and the planking is 60, has formed regular triangle structure, and the junction on inclined plane and inclined plane is the circular arc for the transition of corner is more natural, and have two inner cores, and the waved plate direction in two inner cores is mutually perpendicular, still is provided with the bracing piece that plays the supporting role in the middle part of waved plate, because the intensity of hollow core board mainly relies on the intensity of inner core, so these have all improved the bulk strength of hollow core board. In addition, the outside flame retardant coating uses high-quality asbestos board, and the asbestos board is A level fire-proof material, can protect inside core not receive high temperature damage for this hollow core board still can play the supporting role when taking place the condition of a fire.

(2) This hollow laminated wood board of high strength fire prevention has played the purpose of further stabilizing hollow laminated wood board structural morphology through setting up the frame externally to can prevent the edge position perk, prolonged laminated wood board's life.

drawings

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

FIG. 2 is an enlarged view taken at A in FIG. 1;

FIG. 3 is an enlarged view at B of FIG. 1;

Fig. 4 is a schematic side view of the present invention.

in the figure: 1 inner core layer, 101 first inner core, 102 second inner core, 103 outer plate, 104 wave plate, 1041 inclined plane, 1042 connecting arc, 105 support bar, 2 fire-proof layer, 3 plywood, 301 bottom plate, 302 decorative layer, 303 pattern layer, 4 outer frame, 401 frame plate, 402 fixed frame plate.

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. 1-4, the present invention provides a technical solution: the utility model provides a hollow laminated wood board of high strength fire prevention, including interior sandwich layer 1, flame retardant coating 2, plywood layer 3 and frame 4, the outside of interior sandwich layer 1 is connected with flame retardant coating 2's inboard, the outside of flame retardant coating 2 is connected with plywood layer 3's inboard, flame retardant coating 2, plywood layer 3 and frame 4 all around with frame 4's inboard be connected, flame retardant coating 2 is high-quality asbestos board, asbestos board is A level fire prevention material, can protect inside core not receive high temperature damage, make this hollow laminated wood board still can play the supporting role when taking place the condition of a fire.

The inner core layer 1 comprises a first inner core 101, a second inner core 102, an outer plate 103, a wave plate 104 and a support rod 105, the second inner core 102 is bonded below the first inner core 101, the outer plates 103 are arranged at the upper end and the lower end of the first inner core 101 and the upper end and the lower end of the second inner core 102, the wave plate 104 is fixedly connected between the upper outer plate 103 and the lower outer plate 103 of the first inner core 101, the wave plate 104 comprises an inclined plane 1041 and a connecting arc 1042, the connecting arc 1042 is arranged at the joint between the inclined plane 1041 and the other inclined plane, the inclined plane 1041 and the connecting arc 1042 are integrally formed, the included angles between the inclined plane 1041 and the inclined plane 1041, and between the inclined plane 1041 and the outer plate 103 are all 60 °, the middle part of the wave plate 104 is provided with the support bar 105, the directions of the wave plate 104 in the first inner core 101 and the second inner core 102 are mutually vertical, the directions of the support rods 105 inside the first core 101 and the second core 102 are perpendicular to each other, and the support rods 105 horizontally penetrate the inclined plane 1041. Included angles between the inclined plane 1041 and the inclined plane 1041 of the wave plate 104 and between the inclined plane 1041 and the outer plate 103 are both 60 degrees, a regular triangle structure is formed, the connecting part of the inclined plane 1041 and the inclined plane 1041 is a connecting circular arc 1042, so that transition at corners is more natural, two inner cores are provided, directions of the wave plates 104 in the two inner cores are mutually vertical, a supporting rod 105 playing a supporting role is further arranged in the middle of the wave plate 104, and the strength of the hollow core board mainly depends on the strength of the inner cores, so that the overall strength of the hollow core board is improved.

The plywood layer 3 is composed of a base board 301, a decorative layer 302 and a pattern layer 303, wherein the decorative layer 302 is adhered to the outer side of the base board 301, and the pattern layer 303 is adhered to the outer side of the decorative layer 302.

Frame 4 comprises border plate 401 and fixed frame plate 402, the equal fixed frame plate 402 of fixedly connected with of the last lower extreme of border plate 401, sandwich layer 1 including border plate 401 sets up, flame retardant coating 2 and plywood layer 3 outside all around, and border plate 401's inboard and bracing piece 105's both ends fixed connection, the inboard and the bottom plate 301 of fixed frame plate 402 are connected, the inboard and the bottom plate 301 of fixed frame plate 402 pass through bolted connection, and fixed frame plate 402 top, bolt top and decorative layer 302 top parallel and level, frame 4 has played the purpose of further stabilizing hollow core board structure form, and can prevent the edge position perk, the life of core board has been prolonged.

All connect through the adhesive suppression between the layer, and the adhesive is reaction type polyurethane hot melt adhesive, reaction type polyurethane hot melt adhesive not only has traditional hot melt adhesive just viscidity good with the excellent characteristics of postcure performance, the advantage that the composition structure of having polyurethane is changeable and performance control range is big again, all have excellent adhesion properties to multiple material, these characteristics of reaction type polyurethane hot melt adhesive make it extremely be fit for bonding different materials, can make each layer material of hollow laminated wood board bond more firmly, be favorable to the maintenance of its form, the service life of hollow laminated wood board has been prolonged.

The electrical components presented in the document are all electrically connected with an external master controller and 220V mains, and the master controller can be a conventional known device controlled by a computer or the like.

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

Claims (7)

1. The utility model provides a hollow core-board of high strength fire prevention, includes inner core layer (1), flame retardant coating (2), plywood layer (3) and frame (4), its characterized in that: the outer side of the inner core layer (1) is connected with the inner side of the fireproof layer (2), the outer side of the fireproof layer (2) is connected with the inner side of the plywood layer (3), and the peripheries of the fireproof layer (2), the plywood layer (3) and the outer frame (4) are connected with the inner side of the outer frame (4);

The inner core layer (1) is composed of a first inner core (101), a second inner core (102), an outer plate (103), a corrugated plate (104) and a support rod (105), the second inner core (102) is bonded below the first inner core (101), the outer plate (103) is arranged at the upper end and the lower end of the first inner core (101) and the second inner core (102), the corrugated plate (104) is fixedly connected between the upper outer plate (103) and the lower outer plate (103) of the first inner core (101), and the support rod (105) is arranged in the middle of the corrugated plate (104);

The plywood layer (3) consists of a bottom plate (301), a decorative layer (302) and a pattern layer (303), the decorative layer (302) is bonded on the outer side of the bottom plate (301), and the pattern layer (303) is bonded on the outer side of the decorative layer (302);

Frame (4) comprise frame board (401) and fixed frame board (402), the equal fixedly connected with fixed frame board (402) of upper and lower end of frame board (401), the outside all around of sandwich layer (1), flame retardant coating (2) and plywood layer (3) including frame board (401) sets up, and the inboard both ends fixed connection with bracing piece (105) of frame board (401), the inboard and bottom plate (301) of fixed frame board (402) are connected.

2. A high strength fire resistant hollow core-board as claimed in claim 1, wherein: the fireproof layer (2) is a high-quality asbestos plate.

3. A high strength fire resistant hollow core-board as claimed in claim 1, wherein: the wave plate (104) is composed of an inclined plane (1041) and a connecting arc (1042), the connecting arc (1042) is arranged at the joint between the inclined plane (1041) and the other inclined plane, and the inclined plane (1041) and the connecting arc (1042) are integrally formed.

4. A high strength fire resistant hollow core-board as claimed in claim 3, wherein: the included angles between the inclined plane (1041) and between the inclined plane (1041) and the outer plate (103) are all 60 degrees.

5. A high-strength fire-resistant hollow core-board according to claim 1 or 3, wherein: the directions of the wavy plates (104) in the first inner core (101) and the second inner core (102) are perpendicular to each other, the directions of the supporting rods (105) in the first inner core (101) and the second inner core (102) are perpendicular to each other, and the supporting rods (105) horizontally penetrate through the inclined plane (1041).

6. A high strength fire resistant hollow core-board as claimed in claim 1, wherein: the inner side of the fixed frame plate (402) is connected with the bottom plate (301) through bolts, and the top end of the fixed frame plate (402), the top end of the bolts and the top end of the decoration layer (302) are flush.

7. a high strength fire resistant hollow core-board as claimed in claim 1, wherein: all connect through the adhesive suppression between the layer, just the adhesive is reaction type polyurethane hot melt adhesive.