阅读说明：本技术 防火防烟隔音门 (Fire-proof smoke-proof sound-proof door ) 是由 傅福信 林美荣 黄法枝 谢木海 黄军定 于 2019-09-29 设计创作，主要内容包括：本发明提出一种防火防烟隔音门,包括门扇,所述门扇包括门胚,所述门胚由植物纤维板组成,所述植物纤维板由植物纤维颗粒、防火胶、膨胀蛭石粉和矿物纤维混合压制而成,所述防火胶用量占植物纤维颗粒的重量的10%~50%,所述膨胀蛭石粉用量占植物纤维颗粒的重量的8-12%,所述矿物纤维用量占植物纤维颗粒的重量的8-12%。本发明提出的防火防烟隔音门,通过内外结构的配合,防火、隔音效果优异,密封性好阻隔烟气,且环保成本低。(The invention provides a fireproof smoke-proof sound-proof door which comprises a door leaf, wherein the door leaf comprises a door blank, the door blank is composed of a plant fiber board, the plant fiber board is formed by mixing and pressing plant fiber particles, fireproof glue, expanded vermiculite powder and mineral fibers, the fireproof glue accounts for ~ 50% of the weight of the plant fiber particles, the expanded vermiculite powder accounts for 8-12% of the weight of the plant fiber particles, and the mineral fibers account for 8-12% of the weight of the plant fiber particles.)

1. The fireproof smoke-proof sound-proof door comprises a door leaf and is characterized in that the door leaf comprises a door blank, the door blank is composed of a plant fiber board, the plant fiber board is formed by mixing and pressing plant fiber particles, fireproof glue, expanded vermiculite powder and mineral fibers, the fireproof glue accounts for 10% -50% of the weight of the plant fiber particles, the expanded vermiculite powder accounts for 8-12% of the weight of the plant fiber particles, and the mineral fibers account for 8-12% of the weight of the plant fiber particles.

2. The fire-proof, smoke-proof and sound-proof door as claimed in claim 1, wherein the fire-proof glue comprises the following components in parts by weight: 1-3 parts of lithopone, 105-118 parts of magnesium oxide, 2-5 parts of magnesium silicate, 10-15 parts of sodium silicate, 1-3 parts of boric acid and 30-75 parts of magnesium sulfate solution, wherein the concentration of the magnesium sulfate solution is 17-25 DEG Be.

3. The fire-proof, smoke-proof and sound-proof door as claimed in claim 2, wherein the door blank is formed by compounding at least two plant fiber boards, and a piece of pit paper is arranged between the two plant fiber boards and bonded with the plant fiber boards through fire-proof glue.

4. The fire, smoke and sound proof door of claim 1, wherein the plant fiber particles are pulverized from dried bark, rice straw and stalk; the plant fiber particles are 3-30 meshes, and the density of the plant fiber board is 330kg/m³。

5. The fire, smoke and sound proof door as claimed in claim 1, wherein the door blank is provided with a door leaf frame surrounded by a plurality of plywood layers.

6. The fire, smoke and sound proof door of claim 2, further comprising a door frame, wherein the door frame is provided with a groove adapted to the edge of the door leaf, the groove comprises a stopping surface for stopping the front surface of the door leaf and a limiting surface perpendicular to the stopping surface, a corner where the stopping surface and the limiting surface intersect perpendicularly is provided with a smoke, sound and collision proof strip, the smoke, sound and collision proof strip comprises two connecting edges, one end of each connecting edge is vertically connected and fixed, the other end of each connecting edge is provided with an elastic sealing edge, and the two elastic sealing edges are horizontally arranged in an opposite direction.

7. The fire-proof, smoke-proof and sound-proof door as claimed in claim 6, wherein the limit surface is provided with a fire-proof and sound-proof strip, the fire-proof and sound-proof strip comprises a strip-shaped main body, two symmetrical edges of one surface of the main body respectively extend outwards to form elastic oblique edges, and the main body is filled with the fire-proof glue.

8. The fire-proof, smoke-proof and sound-proof door as claimed in claim 6 or 7, wherein said spacing face is provided with a buffering and sound-proof strip, said buffering and sound-proof strip comprises a connecting portion and an elastic edge on the connecting portion, said connecting portion is provided with barbs.

9. The fire, smoke and sound proof door as claimed in claim 1, wherein the bottom of the door leaf is provided with a lifting sound and sound proof sealing strip.

Technical Field

The invention relates to the field of fireproof doors, in particular to a fireproof, smoke-proof and sound-proof door.

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 door comprises a steel fireproof door, a wooden fireproof door, a steel wooden fireproof door and the like. Wherein, wooden fire door's syllable-dividing effect is poor, and partial wooden fire door can add at the frame and establish anti-collision sealing strip, and noise when can reduce the switch door improves the leakproofness of door leaf and gives sound insulation, but, only improves the syllable-dividing effect promotion of whole door leaf not obvious from the edge.

Disclosure of Invention

In order to solve the problem of poor sound insulation effect of the existing wooden fireproof door, the invention provides the fireproof, smoke-proof and sound-proof door which is excellent in fireproof and sound-proof effects, good in sealing performance, capable of blocking smoke and low in environmental protection cost.

The invention provides a fireproof smoke-proof sound-proof door which comprises a door leaf, wherein the door leaf comprises a door blank, the door blank is composed of a plant fiber board, the plant fiber board is formed by mixing and pressing plant fiber particles, fireproof glue, expanded vermiculite powder and mineral fibers, the fireproof glue accounts for ~ 50% of the weight of the plant fiber particles, the expanded vermiculite powder accounts for 8-12% of the weight of the plant fiber particles, and the mineral fibers account for 8-12% of the weight of the plant fiber particles.

As a preferred embodiment of the invention, the fire-proof glue comprises the following components, by weight, 1 ~ 3 parts of lithopone, 105 ~ 118 parts of magnesium oxide, 2 ~ 5 parts of magnesium silicate, 10 ~ 15 parts of sodium silicate, 1 ~ 3 parts of boric acid and 30-75 parts of magnesium sulfate solution, wherein the concentration of the magnesium sulfate solution is 17-25 DEG Be.

In a preferred embodiment of the present invention, the door blank is formed by combining at least two plant fiber boards, wherein a paper pit is arranged between the two plant fiber boards, and the paper pit is bonded to the plant fiber boards through a fire-proof adhesive.

In a preferred embodiment of the present invention, the plant fiber particles are obtained by pulverizing dried barks, straws or stalks; the plant fiber particles are 3-30 meshes, and the density of the plant fiber board is 330kg/m³。

In a preferred embodiment of the present invention, a door leaf frame surrounded by multiple layers of plywood is disposed on the periphery of the door frame.

As a preferred embodiment of the present invention, the present invention further includes a door frame, the door frame is provided with a groove adapted to an edge of the door leaf, the groove includes a stop surface for stopping the front surface of the door leaf and a limit surface perpendicular to the stop surface, a corner where the stop surface and the limit surface are perpendicularly crossed is provided with a smoke-proof, sound-proof and anti-collision strip, the smoke-proof, sound-proof and anti-collision strip includes two connecting edges, one end of each connecting edge is perpendicularly connected and fixed to each other, the other end of each connecting edge is provided with an elastic sealing edge, and the two elastic sealing edges are horizontally arranged in opposite directions.

As a preferred embodiment of the present invention, the limiting surface is provided with a fireproof sound insulation strip, the fireproof sound insulation strip includes a strip-shaped main body, two symmetrical edges of one surface of the main body respectively extend outwards to form elastic oblique edges, and the main body is filled with the fireproof glue.

As the preferred embodiment of the invention, the limiting surface is provided with a buffering sound insulation strip, the buffering sound insulation strip comprises a connecting part and an elastic edge on the connecting part, and the connecting part is provided with a barb.

In a preferred embodiment of the present invention, the bottom of the door leaf is provided with an elevating sound insulation sealing strip.

The invention has the beneficial effects that:

1. the door blank structure in the door leaf is formed by crushing plant fibers and combining expanded vermiculite powder, mineral fibers and fireproof glue, the plant fibers are fluffy by adding the mineral fibers, the sound and heat insulation effect of the door leaf is improved from the inside by combining the plant fibers with the expanded vermiculite powder, and the door blank structure is bonded by combining the inorganic fireproof glue, so that the door leaf is excellent in fireproof performance, stable in structure, non-toxic and environment-friendly.

2. Combine fire-resistant, sound insulation, high-quality sealing member of smoke protection between door leaf and the door frame, promote fire-resistant, sound insulation, the smoke barrier property of fire prevention soundproof door from the outside.

By combining the inner structure and the outer structure, the fire-retardant fireproof door has the combustion performance reaching B1-A2 level, and the fireproof door reaches the first-level standard (fire resistance is 1.5 h). In addition, the formaldehyde emission meets the requirement of GB 18580; the toxicity of the smoke reaches ZA2 level. The sound insulation effect is: can isolate up to 50 decibels of noise.

3. The plant fiber board mainly comprises plant fiber particles, and the plant fiber particles are obtained by recycling waste wood, sawdust, agricultural plant straws and the like, crushing, processing and utilizing, so that the environmental pollution can be reduced, the raw materials are easy to obtain, and the cost is low.

Drawings

FIG. 1 is a schematic structural diagram of the present invention.

Fig. 2 is a sectional view of the door leaf of the present invention.

Fig. 3 is a schematic view of a door leaf and a door frame according to the present invention.

Fig. 4 is a schematic structural view of the smoke-proof, sound-proof and impact-proof strip of the present invention.

Fig. 5 is a schematic structural view of the fire-retardant soundproof strip of the present invention.

FIG. 6 is a schematic end view of a sound-insulating strip of the present invention.

Fig. 7 is a schematic structural view of the lifting type sound insulation sealing strip of the invention.

Detailed Description

The application scheme is further described below with reference to the accompanying drawings:

referring to the attached drawings 1-7, the fireproof smoke-proof sound-proof door comprises a door leaf 1 and a door frame 2, wherein the door leaf 1 comprises a door blank 10, the door blank 10 is formed by compounding two plant fiber plates 11, and the plant fiber plates 11 are made of plant fiber particles and are used for preventing smokeThe fire glue, the expanded vermiculite powder and the mineral fiber are mixed and pressed to form the fire glue. The fireproof glue accounts for 30% of the weight of the plant fiber particles, the expanded vermiculite powder accounts for 10% of the weight of the plant fiber particles, and the mineral fiber accounts for 10% of the weight of the plant fiber particles. The fireproof glue comprises the following components in parts by weight: 2 parts of lithopone, 110 parts of magnesium oxide, 4 parts of magnesium silicate, 12 parts of sodium silicate, 1 part of boric acid and 55 parts of magnesium sulfate solution, wherein the concentration of the magnesium sulfate solution is 17-25 DEG Be. The plant fiber particles are formed by crushing dry barks, straws and straws, and the size of the plant fiber particles is 3-30 meshes. The pressed plant fiber board 11 has a density of 330kg/m³And the thickness is 16.5 mm. Pit paper 12 is arranged between the two plant fiber boards 11 at intervals, and the pit paper 12 is bonded with the plant fiber boards 11 through fireproof glue. And a door leaf framework 13 surrounded by a plurality of layers of plywood is arranged on the periphery of the door blank 10.

The plant fiber board 11 and the pot paper 12 that the combination of expanded vegetable fiber and expanded vermiculite powder of foaming are compound from door leaf 1 inside promotion sound insulation and heat insulation effect, combine inorganic fire prevention glue to bond, and fire behavior is excellent and stable in structure, and is nontoxic environmental protection.

The door frame 2 is provided with a groove 20 matched with the edge of the door leaf 1, the groove 20 comprises a stop surface 21 for stopping the front surface of the door leaf 1 and a limit surface 22 perpendicular to the stop surface 21, the corner where the stop surface 21 and the limit surface 22 are perpendicularly crossed is provided with a smoke-proof sound-proof anti-collision strip 3, the smoke-proof sound-proof anti-collision strip 3 comprises two connecting edges 31, one ends of the two connecting edges 31 are perpendicularly connected and fixed with each other, the other ends of the two connecting edges 31 are provided with elastic sealing edges 32, and the two elastic sealing edges 32 are horizontally arranged in opposite directions. When the door is closed, the corner of the door 1 falls into the space surrounded by the connecting edge 31 and the elastic sealing edge 32, and the elastic sealing edge 32 respectively abuts against the front surface of the door 1 and the end surface of the free end. The effects of buffering, impact prevention, sealing, sound insulation and smoke isolation are achieved.

The limiting surface 22 is provided with two fireproof sound-insulating strips 4 and a buffering sound-insulating strip 5 from the direction close to the stopping surface 21 to the outside in sequence, each fireproof sound-insulating strip 4 comprises a strip-shaped main body 41, two symmetrical sides of one side of each main body 41 extend outwards to form elastic bevel edges 42 respectively, and the main body 41 is filled with fireproof glue. The buffering sound insulation strip 5 comprises a connecting part 51 and an elastic edge 52 on the connecting part 51, and barbs are arranged on the connecting part 52. When closing the door, this buffering sound-proof strip 5 contacts with door leaf 1 at first, plays the effect of buffering, and its atress is the biggest, and connecting portion 52 is through the installation position elasticity chucking on barb and the door frame 2, and the atress is stable.

When the door leaf 1 is closed, the elastic bevel edge 42 of the fireproof sound insulation strip 4 is abutted against four sides of the door leaf 1, the elastic edge 52 of the buffering sound insulation strip 5 is abutted against four sides of the door leaf 1, the gap between the door leaf 1 and the door frame 2 is sealed, and the sound insulation effect is achieved. And the fire-proof glue inside the fire-proof sound-proof strip 4 can generate more than 20 times of expansion when being heated, so that the installation gap can be effectively filled, and the fire and toxic smoke can be prevented from entering the installation gap.

And the bottom of the door leaf 2 is provided with a lifting type sound insulation sealing strip 6. The lifting type sound insulation sealing strip 6 can be arranged at the bottom side of the door leaf 1 or at the bottom of the back side of the door leaf 1 according to different types. The lifting type sound insulation sealing strip 6 is preferably arranged in the mounting groove at the bottom side of the door leaf 1 and hidden at the bottom side without being exposed, and when the door is closed, the lifting type sound insulation sealing strip 6 descends to seal a gap at the bottom side of the door leaf 2, so that an all-directional sound insulation effect is achieved.

The above preferred embodiments should be considered as examples of the embodiments of the present application, and technical deductions, substitutions, improvements and the like similar to, similar to or based on the embodiments of the present application should be considered as the protection scope of the present patent.