CN218265672U - Fireproof door capable of slowing down outward heat transfer speed - Google Patents

Abstract

The utility model relates to a can slow down outside transmission speed's of heat prevent fire door belongs to and prevents fire door technical field. The heat insulation mechanism comprises a fireproof door body consisting of a shell, a heat insulation mechanism and a heat insulation mechanism, the heat insulation mechanism comprises a first inner framework and a second inner framework, a heat insulation plate is arranged between the first inner framework and the second inner framework, a clamping frame is integrally arranged on the outer wall of the back of the first inner framework, a plurality of wedge blocks are arranged on the inner wall of the clamping frame, and a slot located on the second inner framework is formed in the outer side of the clamping frame. The utility model discloses a combination of various structures makes it possess the performance condition of fire prevention under, can also delay thermal transmission speed, and this product sets up through the split formula to bone frame in the thermal-insulated mechanism and replaces current overall structure, assists the combination with card frame, voussoir and locating part again, and then can carry out the location assembly of portable to the heat insulating board, improves its packaging efficiency.

Description

Fireproof door capable of slowing down heat outward transfer speed

Technical Field

The utility model relates to a prevent fire door technical field, especially relate to a can slow down outside transmission speed's of heat prevent fire door.

Background

The fireproof door is a door which can meet the requirements of fire-resistant stability, integrity and heat insulation within a certain time, and is a fireproof partition with certain fire resistance arranged in a fireproof partition, an evacuation staircase, a vertical shaft and the like.

The utility model provides a current chinese patent that grant bulletin number is CN216974649U, a prevent fire door that can slow down outside transmission speed of heat is disclosed, including preventing the fire door body, prevent that the inside of fire door body is equipped with first heat insulating board in the past to the back in proper order, second heat insulating board and third heat insulating board, first heat insulating board, equidistant distribution of second heat insulating board and third heat insulating board, prevent that the inside of fire door body is equipped with the interior skeleton frame of three equidistant distribution, three interior skeleton frame respectively with first heat insulating board, second heat insulating board and third heat insulating board position are corresponding, first heat insulating board, second heat insulating board and third heat insulating board are located respectively rather than the central point that corresponds interior skeleton frame, the outer wall spraying of preventing the fire door body has the fire retardant.

Although the technical solution in the above patent document can slow down the heat transfer rate, it still has the following drawbacks:

the heat insulation mechanism composed of the heat insulation plate, the inner frame and the reinforcing ribs in the product is in the assembling process, the heat insulation plate is embedded in the center of the inner frame, the integrated inner frame is inconvenient to position when the heat insulation plate is embedded and combined, the fixing mode is basically fixed by means of screw connection or flame retardant glue injected along the edge position of the fixing mode, and the assembling efficiency of the heat insulation mechanism is further reduced.

Therefore, how to handle the fire door is a technical problem that needs to be solved by those skilled in the art at present.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a can slow down the outside transmission speed's of heat fire door to the problem that exists among the background art.

The technical scheme of the utility model: the utility model provides a can slow down outside transmission speed's of heat prevent fire door, includes by the shell, the fire door body that prevents that thermal-insulated mechanism and heat preservation mechanism constitute, thermal-insulated mechanism includes interior skeleton frame one and interior skeleton frame two, be provided with the heat insulating board between interior skeleton frame one and the interior skeleton frame two, an organic whole is provided with the card frame on the back outer wall of interior skeleton frame one, is provided with a plurality of voussoirs on the inner wall of card frame, and the slot that is located interior skeleton frame two is seted up in the outside of card frame, sets up a plurality of mounting grooves that are located interior skeleton frame two on the inner wall of slot, is provided with a plurality of locating parts in the mounting groove.

Preferably, a through hole is formed in the side wall of the mounting groove, the limiting part comprises a limiting rod movably connected in the through hole, and a blocking disc and a spring are arranged on the limiting rod.

Preferably, keep off dish fixed connection on the outer wall of gag lever post, the spring housing is located on the gag lever post, the one end fixed connection of spring is on keeping off the dish, and the other end of spring sets up on the inner wall of mounting groove, the one end roll connection that the through-hole was kept away from to the gag lever post has the ball.

Preferably, one side of the first inner framework, which is close to the second inner framework, is provided with a placing groove, and the heat insulation plate is arranged in the placing groove.

Preferably, a plurality of reinforcing ribs are arranged in the first inner framework and the second inner framework at equal intervals.

Preferably, the inclined plane of the wedge block is provided with a limiting hole, and the limiting rod is inserted into the limiting hole for limiting.

Preferably, the peripheral walls of the first inner framework and the second inner framework are coated with flame-retardant paper for improving the fireproof effect.

Compared with the prior art, the utility model discloses following profitable technological effect has:

make it under the performance circumstances that possesses the fire prevention through the combination of various structures, can also delay thermal transmission speed, and this product sets up through the split formula to the interior skeleton frame in the heat-proof mechanism and replaces current overall structure, and the combination with calorie frame, voussoir and locating part is again assisted, and then can carry out the positioning assembly of portable to the heat insulating board, improves its packaging efficiency.

Drawings

Fig. 1 is a schematic view of a partial cross-sectional structure of an embodiment of the present invention;

FIG. 2 is a perspective view of the thermal shield of FIG. 1;

FIG. 3 is a side view of the structure of FIG. 2;

fig. 4 is a schematic perspective view of the wedge and the limiting member in fig. 3.

Reference numerals: 1. a fire door body; 11. a housing; 12. a heat insulation mechanism; 13. a heat preservation mechanism; 121. an inner bone frame I; 122. a second inner frame; 123. reinforcing ribs; 124. a heat insulation plate; 125. flame retardant paper; 126. clamping a frame; 127. wedge blocks; 128. a stopper; 1281. a limiting rod; 1282. a spring.

Detailed Description

The following describes the technical solution of the present invention with reference to the accompanying drawings and specific embodiments.

Example one

As shown in fig. 1-3, the utility model provides a can slow down outside transmission speed's of heat fire door, include by shell 11, prevent that fire door body 1 that thermal-insulated mechanism 12 and heat preservation mechanism 13 constitute, it includes interior skeleton frame one 121 and interior skeleton frame two 122 to insulate against heat mechanism 12, be provided with heat insulating board 124 between interior skeleton frame one 121 and the interior skeleton frame two 122, an organic whole is provided with card frame 126 on the back outer wall of interior skeleton frame one 121, be provided with a plurality of voussoirs 127 on the inner wall of card frame 126, and the slot that is located on interior skeleton frame two 122 is seted up in the outside of card frame 126, set up a plurality of mounting grooves that are located on interior skeleton frame two 122 on the inner wall of slot, be provided with a plurality of locating parts 128 in the mounting groove, the standing groove has all been seted up to one side that interior skeleton frame one 121 and interior skeleton frame two 122 are close to each other, heat insulating board 124 sets up in the standing groove.

In this embodiment, the outer wall of the housing 11 is sprayed with a fire retardant to provide an initial fire retardant effect.

In this embodiment, the heat insulation mechanism 13 is formed by combining a cross beam and a heat insulation plate.

In this embodiment, heat-proof mechanism 12 is provided with three, and heat preservation mechanism 13 is provided with two, adopts the interval setting between heat-proof mechanism 12 and the heat preservation mechanism 13, and then realizes the efficient back-fire relief effect, and delays thermal conduction.

The working principle of the fire door capable of slowing down the outward transmission speed of heat based on the first embodiment is that when the heat insulation mechanism 12 is assembled, the second inner frame 122 with the reinforcing ribs 123 assembled is placed on a workbench, and then the heat insulation plate 124 is placed in the placing groove of the second inner frame 122. After the heat shield 124 is placed on the outside, the inner frame one 121 of the stiffener 123 is assembled to the inner frame two 122. The clamping frame 126 on the inner frame I121 carries the wedge block 127 to be inserted into the slot on the inner frame II 122, and the wedge block 127 is inserted into the mounting slot. The inclined surface of the wedge 127 is in contact with the stopper 128 in the process of assembling the first inner frame 121, so that the stopper 128 is clamped into the wedge 127 when the first inner frame 121 and the second inner frame 122 are combined, and the heat insulation mechanism 12 is convenient to assemble.

Example two

As shown in fig. 2-4, the utility model provides a can slow down the outside transmission speed's of heat fire door, compare in embodiment one, this embodiment still includes: the through-hole has been seted up on the lateral wall of mounting groove, locating part 128 includes swing joint in the gag lever post 1281 of through-hole, be provided with fender dish and spring 1282 on the gag lever post 1281, fender dish fixed connection is on gag lever post 1281's outer wall, on gag lever post 1281 was located to spring 1282 cover, spring 1282's one end fixed connection is on the fender dish, and spring 1282's the other end sets up on the inner wall of mounting groove, the one end roll connection that the through-hole was kept away from to gag lever post 1281 has the ball, spacing hole has been seted up on the inclined plane of voussoir 127, it is spacing to peg graft between gag lever post 1281 and the spacing hole.

In this embodiment, when the wedge 127 enters the mounting groove, the ball on the limiting rod 1281 of the limiting member 128 is in rolling contact with the inclined surface of the wedge 127, and then along with the penetration of the wedge 127, the limiting member 128 drives the limiting rod 1281 to be inserted and limited in the limiting hole of the wedge 127 under the action of the spring 1822, thereby realizing the combined assembly of the first inner frame 121 and the second inner frame 122.

EXAMPLE III

As shown in fig. 2-3, the utility model provides a can slow down the outside transmission speed's of heat fire door, compare in embodiment one or embodiment two, this embodiment still includes: the inner frames 121 and 122 are provided with a plurality of reinforcing ribs 123 at equal intervals, and the peripheral walls of the inner frames 121 and 122 are coated with flame retardant paper 125 for improving the fireproof effect.

In this embodiment, the application of the flame retardant paper 125 enables the gap between the first inner frame 121 and the second inner frame 122 to be reduced after the assembly is completed, and further improves the stability of the connection between the first inner frame 121 and the second inner frame 122, the flame retardant paper is made of various materials, and kraft paper is adopted in this embodiment.

The above embodiments are merely some preferred embodiments of the present invention, and many alternative modifications and combinations can be made to the above embodiments by those skilled in the art based on the technical solution of the present invention and the related teachings of the above embodiments.

Claims (7)

1. The utility model provides a can slow down outside transmission speed's of heat fire door, includes by shell (11), heat-proof mechanism (12) and heat preservation mechanism (13) the fire door body (1) that constitutes, its characterized in that: the heat insulation mechanism (12) comprises a first inner framework (121) and a second inner framework (122), a heat insulation plate (124) is arranged between the first inner framework (121) and the second inner framework (122), a clamping frame (126) is integrally arranged on the outer wall of the back face of the first inner framework (121), a plurality of wedge blocks (127) are arranged on the inner wall of the clamping frame (126), a slot located on the second inner framework (122) is formed in the outer side of the clamping frame (126), a plurality of mounting grooves located on the second inner framework (122) are formed in the inner wall of the slot, and a plurality of limiting parts (128) are arranged in the mounting grooves.

2. The fire rated door as claimed in claim 1, wherein the door further comprises: the side wall of the mounting groove is provided with a through hole, the limiting part (128) comprises a limiting rod (1281) movably connected in the through hole, and a stop disc and a spring (1282) are arranged on the limiting rod (1281).

3. The fire rated door as claimed in claim 2, wherein the door further comprises: the utility model discloses a spacing pole, including gag lever post (1281), spring (1282), fender dish fixed connection, fender dish (1281) outer wall, gag lever post (1281) is located to spring (1282) cover, the one end fixed connection of spring (1282) is on the fender dish, and the other end of spring (1282) sets up on the inner wall of mounting groove, the one end roll connection that the through-hole was kept away from to gag lever post (1281) has the ball.

4. The fire rated door as claimed in claim 1, wherein the door further comprises: the inner frame I (121) and the inner frame II (122) are provided with a placing groove at one side close to each other, and the heat insulation plate (124) is arranged in the placing groove.

5. The fire rated door as claimed in claim 1, wherein the door further comprises: a plurality of reinforcing ribs (123) are arranged in the inner framework I (121) and the inner framework II (122) at equal intervals.

6. The fire rated door as claimed in claim 3, wherein the door further comprises: the inclined plane of the wedge block (127) is provided with a limiting hole, and the limiting rod (1281) is inserted into the limiting hole for limiting.

7. The fire rated door as claimed in claim 1, wherein the door further comprises: the peripheral walls of the inner frame I (121) and the inner frame II (122) are coated with flame-retardant paper (125) for improving the fireproof effect.

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