CN212225051U

CN212225051U - Novel fireproof door

Info

Publication number: CN212225051U
Application number: CN202020785766.6U
Authority: CN
Inventors: 董湘容
Original assignee: Jiangxi Weilong Technology Co ltd
Current assignee: Jiangxi Weilong Technology Co ltd
Priority date: 2020-05-13
Filing date: 2020-05-13
Publication date: 2020-12-25
Anticipated expiration: 2030-05-13

Abstract

The utility model discloses a novel fireproof door, which belongs to the technical field of building fire-fighting equipment and comprises a door frame, wherein the door frame is connected with one end of a door leaf through a hinge, and a door closer is fixedly connected with the upper ends of the door frame and the door leaf, the sealing performance of the door leaf and a door frame bracket can be improved, a sealing flange is fixedly connected on the door frame, an asphalt adhesive tape is fixed on the flange and is sealed at the joint of the door leaf and the door frame through the asphalt adhesive tape, when the fire is overlarge, the asphalt adhesive tape is melted to bond the door leaf and the door frame, the asphalt adhesive tape in a melting state can provide better smoke isolation effect, the high viscosity of the asphalt adhesive tape can bond the door leaf when a connecting piece is softened at high temperature, the failure of the fireproof door is prevented, a bayonet lock at the lower end of the door leaf can be pushed to move downwards through the gravity of the door leaf after, the reliability of the fireproof door is improved.

Description

Novel fireproof door

Technical Field

The utility model relates to a building fire-fighting equipment technical field, more specifically say, relate to novel fire 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. It is a fire-proof partition with certain fire resistance, which is arranged in fire-proof subareas, evacuation staircases, vertical shafts and the like. The fireproof door has the functions of a common door, has the functions of preventing the fire from spreading and the smoke from diffusing, and can prevent the fire from spreading within a certain time to ensure the evacuation of people. The fireproof door is an important component in fire-fighting equipment and is an important ring in social fire prevention, the fireproof door is provided with a fireproof door closer, the fireproof door is in a normally closed state through the door closer, and the national standard has clear requirements on the size of gaps at each lap joint of the fireproof door: for the steel fireproof door, the lap joint of the door leaf and the door frame is required to be not less than 10mm of the lower sealing rubber block, and the gaps at two sides between the door leaf and the door frame are required to be not more than 4 mm. The gap of the fireproof door after being installed and closed cannot be too large, otherwise, the sealing performance of the fireproof door is difficult to guarantee, the effect of restraining fire and smoke from spreading under the fire condition is difficult to embody, but the existing fireproof door is sealed by the rubber strip at the joint of the door leaf and the door frame, the sealing performance is guaranteed by pressure provided by the door closer, when the fire is too large, the rubber strip can burn at high temperature, the due sealing effect cannot be achieved, smoke can run out from the joint, and the smoke isolation performance of the fireproof door is influenced.

SUMMERY OF THE UTILITY MODEL

1. Technical problem to be solved

Problem to exist among the prior art, an object of the utility model is to provide a novel fire door, it can realize improving the sealing performance in door leaf and the door frame support, the sealed flange of fixedly connected with on the door frame, be used for fixed pitch adhesive tape on the flange, it is sealed at the junction of door leaf and door frame through the pitch adhesive tape, when the intensity of a fire is too big, the pitch adhesive tape melts, bonding door leaf and door frame, and the pitch adhesive tape of molten condition can provide better cigarette effect that separates, and the high viscosity ability of pitch adhesive tape can enough when the connecting piece softens under high temperature, glue the door leaf, prevent to prevent that fire door inefficacy, the bayonet lock of door leaf lower extreme can be after the connecting piece completely inefficacy, downwards move under the gravity promotion through door leaf self, it is fixed with the door leaf in the.

2. Technical scheme

In order to solve the above problems, the utility model adopts the following technical proposal.

The novel fireproof door comprises a door frame, wherein the door frame is connected with one end of a door leaf through a hinge, the upper ends of the door frame and the door leaf are fixedly connected with a door closer, the inner ring of the door frame is fixedly connected with a sealing flange and an upper flange, one side, close to the door leaf, of the sealing flange and the upper flange is fixedly connected with an asphalt rubber strip, and the asphalt rubber strip is abutted against the door leaf;

the lower extreme fixedly connected with bottom plate of door leaf, and the lower extreme fixedly connected with a plurality of bolts of bottom plate, it is a plurality of equidistant setting between the bolt, the lower extreme fixedly connected with bottom plate fixed slot of door frame, and the draw-in groove has been seted up towards one side of bottom plate to the bottom plate fixed slot.

Furthermore, the lower extreme cutting of bolt has the pointed end, the height of bolt is the same with bottom plate fixed slot upper end draw-in groove degree of depth, the thickness of bolt is the same with the width of bottom plate fixed slot upper end draw-in groove, through the bolt joint in bottom plate fixed slot upper end draw-in groove for the door leaf is fixed more firmly.

Further, the outside parcel of bolt has lower sealed gluey piece, and the upper end recess of bottom plate fixed slot in fill with the fixed slot and glue the piece, lower sealed gluey piece and fixed slot glue the piece and make to prevent that fire door has good sealing performance when using at ordinary times.

Furthermore, the equal width of the upper flange is equal to the sum of the width of the sealing flange and the height of the bolt, and the upper flange ensures that the upper end of the door leaf is contacted with the upper flange after the door leaf is settled, so that the sealing performance is ensured.

Further, the door leaf comprises a door leaf frame and door leaf side plates, the door leaf side plates are fixed on the front side and the rear side of the door leaf frame through bolts, the door leaf is convenient to produce due to the combination of the door leaf frame and the door leaf side plates, and heat transfer is reduced while the structural strength of the door leaf is guaranteed.

Further, the interior of the door leaf inner cavity is filled with a pearl cotton heat insulation core, and the pearl cotton heat insulation core provides a heat insulation function for the door leaf, so that the fire resistance integrity and the heat insulation requirement of the fireproof door can be met when a fire disaster happens to the door leaf.

Further, the door leaf frame is a square frame formed by welding steel square pipes, a plurality of reinforcing rods are fixedly welded between the vertical edges of the door leaf frame, the steel square pipes are welded to facilitate production of the door leaf frame, and the reinforcing rods can improve structural strength of the door leaf frame.

Furthermore, the door leaf side plate is a glass magnesium plate which has the advantages of high temperature resistance, flame retardance, sound absorption, shock resistance, water resistance, moisture resistance, insect prevention, light weight, corrosion resistance, no toxicity, no odor, no pollution, direct painting, good surface colorability and convenience in decoration.

3. Advantageous effects

Compared with the prior art, the utility model has the advantages of:

(1) this scheme can realize improving the sealing performance in door leaf and the door frame support, fixedly connected with seals flange on the door frame, be used for fixed pitch adhesive tape on the flange, it is sealed at the junction of door leaf and door frame through the pitch adhesive tape, when the intensity of a fire is too big, the pitch adhesive tape melts, bonding door leaf and door frame, and molten state's pitch adhesive tape can provide better cigarette effect that separates, and the high viscosity ability of pitch adhesive tape can enough be when the connecting piece softens under the high temperature, glue the door leaf, prevent to prevent that fire door became invalid, the bayonet lock of door leaf lower extreme can be after the connecting piece completely became invalid, promote down the removal under the gravity through door leaf self, it is fixed with the door leaf in the insertion groove, improve the reliability of preventing.

(2) The lower extreme cutting of bolt has the pointed end, and the height of bolt is the same with bottom plate fixed slot upper end draw-in groove degree of depth, and the thickness of bolt is the same with the width of bottom plate fixed slot upper end draw-in groove, through the bolt joint in bottom plate fixed slot upper end draw-in groove for the door leaf is fixed more firmly.

(3) The outside parcel of bolt has lower sealed gluey piece, and the upper end recess of bottom plate fixed slot in fill have the fixed slot to glue the piece, lower sealed gluey piece and fixed slot glue the piece and make prevent that fire door has good sealing performance when using at ordinary times.

(4) The equal width of the upper flange is equal to the sum of the width of the sealing flange and the height of the bolt, the upper flange ensures that the upper end of the door leaf is contacted with the upper flange after the door leaf is settled, and the sealing performance is ensured.

(5) The door leaf comprises a door leaf frame and door leaf side plates, the door leaf side plates are welded and fixed on the front side and the rear side of the door leaf frame, the door leaf is convenient to produce due to the combination of the door leaf frame and the door leaf side plates, and heat transfer is reduced while the structural strength of the door leaf is guaranteed.

(6) The interior of the door leaf cavity is filled with the pearl wool heat insulation core, and the pearl wool heat insulation core provides a heat insulation function for the door leaf, so that the fire resistance integrity and the heat insulation requirement of the fireproof door can be met when a fire disaster occurs on the door leaf.

(7) The door leaf frame is the square frame that steel side pipe welding formed, and welded fastening has a plurality of stiffener between the perpendicular limit of door leaf frame, and steel side pipe welding makes things convenient for door leaf frame production to the stiffener can improve the structural strength of door leaf frame.

(8) The door leaf side plate is a glass magnesium plate which has the advantages of high temperature resistance, flame retardance, sound absorption, shock resistance, water resistance, moisture resistance, insect prevention, light weight, corrosion resistance, no toxicity, no odor, no pollution, direct painting, good surface colorability and convenience in decoration.

Drawings

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

fig. 2 is a schematic front view of the door frame of the present invention;

FIG. 3 is an enlarged schematic view of the structure at A in FIG. 1;

FIG. 4 is a cross-sectional view taken at B-B of FIG. 1;

FIG. 5 is a schematic structural view of the latch device of the present invention;

fig. 6 is a schematic view of the inner frame structure of the present invention.

The reference numbers in the figures illustrate:

the door comprises a door frame 1, a door leaf 2, a hinge 3, a door closer 4, a sealing flange 5, an upper flange 6, an asphalt rubber strip 7, a bottom plate 8, a bolt 9, a lower sealing rubber block 10, a bottom plate fixing groove 11, a fixing groove rubber block 12, a door leaf frame 13, a door leaf side plate 14, a reinforcing rod 15 and a pearl wool heat insulation core 16.

Detailed Description

The technical solution in the embodiment of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiment of the present invention; obviously, the described embodiments are only a part of the embodiments of the present invention, and not all embodiments, and all other embodiments obtained by those skilled in the art without any inventive work are within the scope of the present invention based on the embodiments of the present invention.

In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "top/bottom", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted", "provided", "sleeved/connected", "connected", and the like are to be understood in a broad sense, such as "connected", which may be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Example 1:

referring to fig. 1-6, a novel fireproof door comprises a door frame 1, wherein the door frame 1 is connected with one end of a door leaf 2 through a hinge 3, a door closer 4 is fixedly connected with the upper ends of the door frame 1 and the door leaf 2, the door leaf 2 comprises a door leaf frame 13 and a door leaf side plate 14, the door leaf side plate 14 is fixed on the front side and the rear side of the door leaf frame 13 through bolts, a plurality of reinforcing rods 15 are fixedly welded between the vertical edges of the door leaf frame 13, the door leaf 2 is convenient to produce due to the combination of the door leaf frame 13 and the door leaf side plate 14, the structural strength of the door leaf 2 is ensured, heat transfer is reduced, a pearl wool heat insulation core 16 is filled in an inner cavity of the door leaf 2, the pearl wool heat insulation core 16 provides a heat insulation function for the door leaf 2, so that the fireproof and heat insulation requirements of the fireproof door can be met when a fire occurs, an asphalt rubber strip 7 is fixedly connected to one side of the sealing flange 5 and the upper flange 6 close to the door leaf 2, and the asphalt rubber strip 7 is abutted against the door leaf 2;

referring to fig. 1, 3 and 5, a bottom plate 8 is fixedly connected to the lower end of a door leaf 2, a plurality of bolts 9 are fixedly connected to the lower end of the bottom plate 8, the bolts 9 are arranged at equal intervals, tips are cut at the lower ends of the bolts 9, the height of the bolts 9 is the same as the depth of a clamping groove at the upper end of a bottom plate fixing groove 11, the thickness of the bolts 9 is the same as the width of the clamping groove at the upper end of the bottom plate fixing groove 11, the door leaf 2 is fixed more firmly by clamping the bolts 9 in the clamping groove at the upper end of the bottom plate fixing groove 11, the equal width of an upper flange 6 is equal to the sum of the width of a sealing flange 5 and the height of the bolts 9, the upper flange 6 ensures that the upper end of the door leaf 2 is in contact with the upper flange 6 after the door leaf 2 is settled, and ensures sealing performance, a lower sealing rubber block 10 is wrapped on the outer side of the bolts 9, a rubber block 12 is filled in the upper end groove of the bottom, the lower extreme fixedly connected with bottom plate fixed slot 11 of door frame 1, and bottom plate fixed slot 11 has seted up the draw-in groove towards one side of bottom plate 8.

When the door is used in daily life, an asphalt adhesive tape 7 is fixedly connected to a contact surface between the door leaf 2 and the door frame 1, the asphalt adhesive tape 7 provides sealing performance for the fireproof door, when a fire disaster occurs, the asphalt adhesive tape 7 is heated and melted, the melted asphalt adhesive tape 7 is bonded with the door frame 1 and the door leaf 2, a better sealing smoke isolation effect is achieved between the door frame 1 and the door leaf 2, when a connecting piece hinge 3 and a door closer 4 between the door frame 1 and the door leaf 2 are heated and failed, the door leaf 2 moves downwards under the gravity of the door leaf 2, and due to the fact that a lower sealing adhesive block 10 and a fixing groove adhesive block 12 are heated and melted, a bolt 9 is downwards clamped into a clamping groove at the upper end of a bottom plate fixing groove 11, the door leaf 2 is fixed, the fireproof door is prevented from failing, the sealing performance in the door leaf and the door frame support can be improved, a sealing flange is fixedly connected to the door, when the intensity of a fire is too big, the pitch adhesive tape melts, bonding door leaf and door frame, and the pitch adhesive tape of molten condition can provide better cigarette effect that separates, and the high viscosity ability of pitch adhesive tape can glue the door leaf when the connecting piece softens under high temperature, prevent to prevent fire door inefficacy, the bayonet lock of door leaf lower extreme can be after the connecting piece completely became invalid, and the gravity through door leaf self promotes down and removes, inserts in the draw-in groove and fixes the door leaf, improves the reliability of preventing fire door.

The above description is only the preferred embodiment of the present invention; the scope of the present invention is not limited thereto. Any person skilled in the art should also be able to cover the technical scope of the present invention by replacing or changing the technical solution and the improvement concept of the present invention with equivalents and modifications within the technical scope of the present invention.

Claims

1. Novel prevent fire door, including door frame (1), hinge (3) are passed through with the one end of door leaf (2) in door frame (1) and are connected, and door frame (1) and the upper end fixedly connected with door closer (4) of door leaf (2), its characterized in that: the inner ring of the door frame (1) is fixedly connected with a sealing flange (5) and an upper flange (6), one sides of the sealing flange (5) and the upper flange (6) close to the door leaf (2) are fixedly connected with an asphalt rubber strip (7), and the asphalt rubber strip (7) is abutted against the door leaf (2);

the door is characterized in that a bottom plate (8) is fixedly connected to the lower end of the door leaf (2), a plurality of bolts (9) are fixedly connected to the lower end of the bottom plate (8), the bolts (9) are arranged at equal intervals, a bottom plate fixing groove (11) is fixedly connected to the lower end of the door frame (1), and a clamping groove is formed in one side, facing the bottom plate (8), of the bottom plate fixing groove (11).

2. The new fire rated door as claimed in claim 1, wherein: the lower extreme cutting of bolt (9) has the pointed end, the height of bolt (9) is the same with bottom plate fixed slot (11) upper end draw-in groove degree of depth, the thickness of bolt (9) is the same with the width of bottom plate fixed slot (11) upper end draw-in groove.

3. The new fire rated door as claimed in claim 1, wherein: the outside parcel of bolt (9) has lower sealed gluey piece (10), and has filled fixed slot gluey piece (12) in the upper end recess of bottom plate fixed slot (11).

4. The new fire rated door as claimed in claim 1, wherein: the equal width of the upper flange (6) is equal to the sum of the width of the sealing flange (5) and the height of the plug pin (9).

5. The new fire rated door as claimed in claim 1, wherein: the door leaf (2) comprises a door leaf frame (13) and door leaf side plates (14), and the door leaf side plates (14) are fixed to the front side and the rear side of the door leaf frame (13) through bolts.

6. The new fire rated door as claimed in claim 5, wherein: the inner cavity of the door leaf (2) is filled with a pearl wool heat insulation core (16).

7. The new fire rated door as claimed in claim 5, wherein: the door leaf frame (13) is a square frame formed by welding steel square pipes, and a plurality of reinforcing rods (15) are welded and fixed between the vertical edges of the door leaf frame (13).

8. The new fire rated door as claimed in claim 5, wherein: the door leaf side plate (14) is a glass magnesium plate.