CN212802983U - Steel-wood heat-insulation fireproof door - Google Patents

Abstract

The utility model discloses a steel wood is thermal-insulated prevents fire door has solved the yielding of fire door among the prior art, the poor problem of fire-proof ability, and its technical essential is: the door comprises two groups of door leaves, wherein each group of door leaves comprises a door frame, a fireproof core plate arranged in the door frame for filling, a first protection plate and a second protection plate; the fireproof core plate comprises two groups of core plate combination plates, the cross sections of the two groups of core plate combination plates in the horizontal direction are in a T shape matched with the positioning convex strips, a plurality of supporting holes are correspondingly formed between the two groups of core plate combination plates, and supporting rods for abutting against the first protective plates on two sides are arranged in the two groups of coaxial supporting holes on the two groups of core plate combination plates. Through above-mentioned scheme, when having realized that door leaf intensity promotes, also showing the promotion in the fire prevention function.

Description

Steel-wood heat-insulation fireproof door

Technical Field

The utility model belongs to the technical field of the fire door technique of preventing fires and specifically relates to a steel wood is thermal-insulated prevents fire door is related to.

Background

At present, the fireproof door in the market comprises a door leaf and a door pocket fixed on a wall body, wherein the door leaf is hinged on the door pocket. The door leaf is mainly formed by wrapping keel brackets by front and rear fireproof plates. The inner cavity formed by the front and the rear fireproof plates and the keel frame is of a hollow structure. Although the fire door with the structure can be separated by fire through the cavity, the fireproof plate can be easily deformed when meeting a large fire, and the fire door is damaged seriously, so that the fire door loses the fireproof function and needs to be further improved.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a fire door is prevented to steel wood heat insulation that fire behavior is strong, stability is high.

The utility model discloses a can realize through following technical scheme:

a steel-wood heat-insulation fireproof door comprises two groups of door leaves, wherein each group of door leaves comprises a door frame, a fireproof core plate arranged in the door frame for filling, first flame-retardant plates attached to two sides of the door frame and the fireproof core plate, and second flame-retardant plates arranged on the outer sides of first protection plates; the fireproof core plate comprises two groups of core plate combination plates, the cross sections of the two groups of core plate combination plates in the horizontal direction are in a T shape matched with the positioning convex strips, a plurality of supporting holes are correspondingly formed between the two groups of core plate combination plates, and supporting rods abutted against the two sides of the first protection plate are arranged in the two groups of supporting holes which are coaxial correspondingly.

Through adopting above-mentioned technical scheme, through placing the fire prevention core at the door frame packing, realize that follow-up first guard plate and second guard plate become the solid construction that has stronger stability when constituting the door leaf with door frame and fire prevention core, two-layer guard plate and fire prevention core have then guaranteed the holistic fire-resistant fire behavior of door leaf simultaneously for when door leaf intensity promotes, also obtain showing the promotion in the fire prevention function. In addition, the "T" shape of fire prevention core sets up the cooperation through with the interior location sand grip of door frame and makes fire prevention core can carry out the adaptation installation sooner, meanwhile, install in fire prevention core and then further strengthened the anti concave, anti deformability of door leaf with the bracing piece of the first guard plate butt in both ends.

Further setting the following steps: two sets of all run through on the door leaf and seted up the window, sealed being provided with fire prevention glass in the window.

Through adopting above-mentioned technical scheme, through seting up the window and set up fire prevention glass in it for the condition in relevant staff's accessible window observation room promotes this fire door convenient, the practicality in the in-service use process.

Further setting the following steps: the window is fixedly provided with a surrounding frame-shaped glass pressing block for installing the fireproof glass, the internal open area of the glass pressing block is smaller than that of the window, two groups of glass pressing blocks are arranged on two sides of the window, one surface of the glass pressing block, which is contacted with the door leaf, is provided with abutting blocks which stretch into the window and surround the frame shape, the abutting blocks are contacted with the inner side surface of the window, and the two groups of abutting blocks are positioned on the end surface of the window and are abutted against two sides of the fireproof glass respectively.

Through adopting above-mentioned technical scheme, the usable butt piece of glass briquetting carries out the butt bonding in the window outside fast to the glass briquetting of accessible window both sides, butt piece are contradicted with its both sides and are realized quick location and installation when needs installation fire prevention glass, improve the efficiency of operating personnel when window department installation fire prevention glass, and the glass briquetting can play certain protection to fire prevention glass simultaneously.

Further setting the following steps: and a fireproof expansion strip is filled between the abutting block and the fireproof glass.

Through adopting above-mentioned technical scheme for window department has better fire prevention smoke protection ability, improves this fire door's fire prevention ability.

Further setting the following steps: the vertical surfaces of the two groups of door leaves and the vertical surface of one end of the other door leaf, which are in butt joint, are of mutually matched step-shaped structures, the two groups of door leaves are abutted at the corners of the step-shaped structures, and a gap is reserved between the two corresponding ends of the step-shaped structures on the end surfaces of the two groups of door leaves.

Through adopting above-mentioned technical scheme, the echelonment setting is personally submitted to the vertical of another door leaf of door leaf contact for both have the plate body of overlap, conflict in the corner of terminal surface ladder portion that can open and close, and then make to prevent that fire door has better gas tightness when closing, and the interval that two sets of door leaf terminal surface echelonments correspond between the both ends has then guaranteed that two sets of door leafs can open smoothly simultaneously.

Further setting the following steps: fireproof expansion strips are embedded on the surfaces of the two ends of the stepped structures on the end faces of the two groups of door leaves.

Through adopting above-mentioned technical scheme for the fire prevention that is heated when the condition of a fire takes place expands the back and fills the interval gap between two sets of door leafs, and then prevents the fire prevention smoke protection ability of fire door when making the condition of a fire and further promote.

Further setting the following steps: and a cover seam plate is fixedly arranged at the edge of one side of one of the door leaves, and a vertical surface at one side of the cover seam plate extends out of the door leaf and is used for shielding and covering a splicing seam between the two door leaves when the two door leaves are closed.

Through adopting above-mentioned technical scheme, improve the leakproofness of two sets of door leafs in indoor one side concatenation seam department, further promote this fire prevention smoke protection ability of preventing fire door.

Further setting the following steps: the fireproof core plate is a perlite door core plate.

Through adopting above-mentioned technical scheme, pearlite door core has better fire resistance and simultaneously it has nontoxic, tasteless outstanding nature for it is healthy, safe more when using.

To sum up, the utility model discloses a beneficial technological effect does:

(1) the filled fireproof core plate and the two layers of protection plates are utilized to improve the fireproof performance of the product and effectively enhance the stability and strength of the product;

(2) the fireproof core board is fast and simple to install in cooperation with the door frame, and easy to operate.

Drawings

Fig. 1 is a front view of the present invention;

FIG. 2 is a cross-sectional view taken along line A-A of FIG. 1;

fig. 3 is a partial cross-sectional view of the present invention.

Reference numerals: 1. a door frame; 2. a fire-proof core board; 3. a first guard plate; 4. a second guard plate; 5. positioning the convex strip; 6. core board combined board; 7. a support hole; 8. a support bar; 9. a window; 10. fireproof glass; 11. pressing the glass into blocks; 12. a butting block; 13. a fire-resistant intumescent strip; 14. and (7) covering and sewing the board.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings.

Referring to fig. 1 and 2, for the utility model discloses a steel-wood heat-insulating fireproof door, including door frame 1, setting carry out the fire prevention core 2 of packing in door frame 1, the laminating covers the first guard plate 3 that sets up in door frame 1 and fire prevention core 2 both sides and sets up at the second guard plate 4 that covers in the first guard plate 3 outside. Wherein fire prevention core 2 is selected in this embodiment with the pearlite door core, and inorganic composite sheet is then chooseed for use to first guard plate 3, and fire-retardant plywood is chooseed for use to second guard plate 4.

Referring to fig. 2 and 3, for realizing the swift installation of fire prevention core 2 in door frame 1, all be provided with the location sand grip 5 that encloses into frame column structure on each side internal surface of door frame 1, the central line of location sand grip 5 and the width of 1 inboard central line coincidence of door frame and location sand grip 5 are less than the width of door frame 1, and simultaneously, fire prevention core 2 includes two sets of core compoboards 6, two sets of core compoboards 6 are "T" shape of adaptation location sand grip 5 in the cross-section of horizontal direction, make two sets of core compoboards 6 can place into in the door frame 1 and carry out the butt with location sand grip 5 from both sides, and then realize filling fast and install in door frame 1.

Referring to fig. 3, a plurality of support holes 7 are correspondingly formed between two groups of core plate combination plates 6, and when the two groups of core plate combination plates 6 are spliced in the door frame 1 to form the fireproof core plate 2, support rods 8 abutting against the first protection plates 3 on two sides are arranged in the two groups of support holes 7 which are correspondingly coaxial on the two groups of core plate combination plates 6. Furthermore, the concave resistance and the deformation resistance of the outer walls of the two sides of the door leaf can be further improved by utilizing the support rods 8.

Referring to fig. 1 and 2, in addition, two sets of door leaves are both provided with a window 9 in a penetrating manner, and fireproof glass 10 is hermetically arranged in the window 9. In order to realize the installation of the fireproof glass 10 on the window 9, a frame-shaped glass pressing block 11 is fixedly arranged on the window 9, the internal open area of the glass pressing block 11 is smaller than that of the window 9, and two groups of glass pressing blocks 11 are arranged on two sides of the window 9. Glass briquetting 11 has the butt piece 12 that stretches into window 9 and be the enclosure form on the one side that contacts with the door leaf subsides, and butt piece 12 contacts with the inboard surface subsides of window 9, and two sets of butt pieces 12 are located the terminal surface of window 9 simultaneously and are contradicted with the both sides of fire prevention glass 10 respectively. And then usable butt joint piece 12 of glass briquetting 11 carries out the butt fast in the window 9 outside and bonds to contradict with its both sides through glass briquetting 11, the butt joint piece 12 of window 9 both sides to fireproof glass 10 and realize quick location and installation. And the fireproof expansion strips 13 are filled between the abutting blocks 12 and the fireproof glass 10, so that the fireproof glass 10 and the glass pressing blocks 11 on the two sides have better fireproof and smoke-proof capabilities.

Referring to fig. 2 and 3, the vertical surfaces of the two sets of door leaves and the other door leaf at the butt joint end are in mutually matched step-shaped structures, the two sets of door leaves are overlapped and abutted at the corners of the step-shaped structures, meanwhile, a space is reserved between the two corresponding ends of the step-shaped structures on the end faces of the two sets of door leaves, and a fireproof expansion strip 13 is embedded on the end face of the door leaf in the space. And then, make two sets of door leafs open and close have the plate body of overlap, conflict in the corner of terminal surface ladder portion, and then make prevent that fire door has better gas tightness when closing, two sets of door leaf terminal surface echelonment correspond the interval between the both ends then and guaranteed that two sets of door leafs can open smoothly simultaneously, and the fire prevention expansion strip 13 here has also further promoted the fire prevention smoke protection ability of preventing fire door. In addition, a cover seam plate 14 is fixedly bonded on the edge of the inner wall of one of the door leaves, and the vertical surface of one side of the cover seam plate 14 extends out of the door leaf and is used for shielding the splicing seam between the two groups of door leaves when the two groups of door leaves are closed.

The implementation principle and the beneficial effects of the embodiment are as follows: through placing fire prevention core 2 at door frame 1 packing, realize that follow-up first guard plate 3 becomes the solid construction that has stronger stability with second guard plate 4 when constituting the door leaf with door frame 1 and fire prevention core 2, two-layer guard plate and fire prevention core 2 have then guaranteed the holistic fire-resistant fire-proof ability of door leaf simultaneously for when door leaf intensity promotes, also obtain showing the promotion in the fire prevention function. In addition, "T" shape of fire prevention core 2 sets up and makes fire prevention core 2 can fix a position the installation more fast through the cooperation with the interior location sand grip 5 of door frame 1, meanwhile, install in fire prevention core 2 and then further strengthened the anti concave, the anti deformability of door leaf with the bracing piece 8 of the first guard plate 3 butt in both ends.

The embodiment of this specific implementation mode is the preferred embodiment of the present invention, not limit according to this the utility model discloses a protection scope, so: all equivalent changes made according to the structure, shape and principle of the utility model are covered within the protection scope of the utility model.

Claims (8)

1. The utility model provides a steel wooden heat-insulating fireproof door, includes at two sets of door leafs, its characterized in that: each group of door leaves comprises a door frame (1), a fireproof core plate (2) arranged in the door frame (1) for filling, first protection plates (3) attached to two sides of the door frame (1) and the fireproof core plate (2), and second protection plates (4) arranged on the outer sides of the first protection plates (3);

the fireproof core plate is characterized in that positioning convex strips (5) which are enclosed into a frame-shaped structure are arranged on the inner surface of each side of the door frame (1), the central lines of the positioning convex strips (5) are coincided with the central line of the inner side of the door frame (1), the width of the positioning convex strips is smaller than the width of the door frame (1), the fireproof core plate (2) comprises two groups of core plate combination plates (6), the cross sections of the two groups of core plate combination plates (6) in the horizontal direction are in a T shape matched with the positioning convex strips (5), a plurality of supporting holes (7) are correspondingly arranged between the two groups of core plate combination plates (6), and supporting rods (8) which are abutted against the two sides of the first protective plates (3) are arranged in the two groups of corresponding and coaxial supporting.

2. The steel-wood heat-insulating fireproof door according to claim 1, characterized in that: two sets of door leaves are all provided with windows (9) in a penetrating way, and fireproof glass (10) is arranged in the windows (9) in a sealing way.

3. The steel-wood heat-insulating fireproof door according to claim 2, characterized in that: the window is characterized in that a frame-shaped glass pressing block (11) used for installing the fireproof glass (10) is fixedly arranged on the window (9), the inner open area of the glass pressing block (11) is smaller than that of the window (9), two groups of glass pressing blocks (11) are arranged on two sides of the window (9), abutting blocks (12) stretching into the window (9) and forming the frame are arranged on one side of the glass pressing block (11) and the door leaf, the abutting blocks (12) are in abutting contact with the inner side surface of the window (9), and the two groups of abutting blocks (12) are located on the end face of the window (9) and abut against two sides of the fireproof glass (10) respectively.

4. The steel-wood heat-insulating fireproof door according to claim 3, wherein: and a fireproof expansion strip (13) is filled between the abutting block (12) and the fireproof glass (10).

5. The steel-wood heat-insulating fireproof door according to claim 1, characterized in that: the vertical surfaces of the two groups of door leaves and the vertical surface of one end of the other door leaf, which are in butt joint, are of mutually matched step-shaped structures, the two groups of door leaves are abutted at the corners of the step-shaped structures, and intervals are reserved between the two corresponding ends of the step-shaped structures on the end surfaces of the two groups of door leaves.

6. The steel-wood heat-insulating fireproof door according to claim 5, wherein: fireproof expansion strips (13) are embedded on the surfaces of the two ends of the stepped structures on the end surfaces of the two groups of door leaves.

7. The steel-wood heat-insulating fireproof door according to claim 1, characterized in that: one side edge of one group of the door leaves is fixedly provided with a cover seam plate (14), and a vertical surface on one side of the cover seam plate (14) extends out of the door leaves and is used for shielding and covering a splicing seam between the two groups of the door leaves when the two groups of the door leaves are closed.

8. The steel-wood heat-insulating fireproof door according to claim 1, characterized in that: the fireproof core plate (2) is a perlite door core plate.

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