CN219158832U

CN219158832U - Sandwich type fireproof door

Info

Publication number: CN219158832U
Application number: CN202320091259.6U
Authority: CN
Inventors: 胡更然; 梁国浓
Original assignee: Tenglong Door Co ltd
Current assignee: Tenglong Door Co ltd
Priority date: 2023-01-31
Filing date: 2023-01-31
Publication date: 2023-06-09
Anticipated expiration: 2033-01-31

Abstract

The utility model discloses a sandwich type fireproof door for a household, which comprises a fireproof door body, a fireproof layer, a heat insulation layer, expansion graphite strips and a movable block, wherein the fireproof layer is arranged on the front side and the rear side of the fireproof door body, limiting grooves are formed in the opposite sides of the heat insulation layer, the expansion graphite strips are arranged on the opposite sides of the heat insulation layer, the movable block is arranged on one side, close to the heat insulation layer, of the first damping spring, a sliding groove is formed in the upper surface of the movable block, a fixed sliding strip is arranged on the opposite side of the heat insulation layer, the upper side and the lower side of the heat insulation layer are connected through a flame retardant layer, a second damping spring is vertically arranged on the opposite side of the flame retardant layer, and a movable plate is arranged on the opposite side of the second damping spring. This fire door is prevented to sandwich type of going into family is provided with the resistance to compression ball, improves the compressive capacity of resistance to compression ball, when the inside and outside of preventing fire door body receives external force striking, when the flame retardant coating atress promptly, the resistance to compression ball can play the supporting role to the flame retardant coating, makes the flame retardant coating be difficult for taking place to warp.

Description

Sandwich type fireproof door

Technical Field

The utility model relates to the technical field of fireproof doors, in particular to a sandwich type fireproof door.

Background

Fireproof doors are doors that meet the requirements of fire resistance stability, integrity and thermal insulation over a period of time. The fire-proof partition is arranged between fire-proof partitions, evacuation stairways, vertical shafts and the like, has certain fire resistance, has the function of preventing fire from spreading and smoke from spreading besides the function of a common door, and can prevent the fire from spreading within a certain time so as to ensure personnel evacuation.

With the improvement of the living level and safety consciousness of people, most of household doors used in resident living houses are fireproof doors.

If the fireproof door with the publication number of CN204060422U is used, during processing, the outer plate is folded back to form the mounting groove, the inner plate is fixedly connected with the joint surface of the mounting groove, the whole process is simple in process, mechanical automatic production can be adopted, and compared with the complex process of the conventional complex color steel plate fireproof door, the efficiency is greatly improved, manual welding and other operations are not needed, and the labor intensity is reduced and the environment is protected. However, the device has certain defects;

1. the fireproof door is not provided with a fireproof door deformation preventing structure, the inner plate and the outer plate of the fireproof door are easy to deform when being stressed, meanwhile, when a fire disaster occurs, the inner plate and the outer plate of the fireproof door are directly caused to expand due to thermal expansion, namely, deformation occurs, so that the service life of the fireproof door is reduced, and after the fireproof door is generally used for one time, the fireproof door is scrapped due to deformation, and meanwhile, the use cost is increased.

So we propose a sandwich-type fire door to solve the above mentioned problems.

Disclosure of Invention

The utility model aims to provide a sandwich type fireproof door for entering a house, which aims to solve the problems that the prior fireproof door in the market provided by the background technology is not provided with a fireproof door deformation preventing structure, the inner plate and the outer plate of the fireproof door are easy to deform when being stressed, and simultaneously, when a fire disaster occurs, the inner plate and the outer plate of the fireproof door are directly expanded due to the fact that the inner plate of the fireproof door is heated and expanded, namely the outer plate and the inner plate of the fireproof door are deformed, so that the service life of the fireproof door is shortened, and the fireproof door is scrapped due to deformation after being used for one time generally, and the use cost is increased.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a sandwich fireproof door of registering one's residence, includes fireproof door body, flame retardant coating, insulating layer, expansion graphite strip and movable block, the flame retardant coating is all installed to the front and back both sides of fireproof door body, and the opposite side of flame retardant coating all is provided with the insulating layer, and the arc wall has all been seted up to the opposite side of flame retardant coating moreover, the spacing groove has been seted up to the opposite side of insulating layer, and the opposite side of insulating layer is provided with expansion graphite strip, and the left and right sides of expansion graphite strip all installs first damping spring perpendicularly, first damping spring is close to insulating layer one side and installs the movable block, the spout has been seted up to the upper surface of movable block, fixed draw runner is installed to the opposite side of insulating layer, both sides are connected through the flame retardant coating about the insulating layer, and second damping spring is installed perpendicularly to the opposite side of flame retardant coating, and the movable plate is installed to the opposite side of second damping spring.

Preferably, the compression-resistant ball is arranged in the arc-shaped groove, the left side and the right side of the compression-resistant ball are fixedly connected with the arc-shaped groove, the circle center of the arc-shaped groove and the circle center of the compression-resistant ball are positioned on the same horizontal straight line, and the compression-resistant ball is of a solid structure design.

By adopting the structural design, the compression resistance of the compression-resistant ball is improved, and when the inner part and the outer part of the fireproof door body are impacted by external force, namely, the fireproof layer is stressed, the compression-resistant ball can play a supporting role on the fireproof layer, so that the fireproof layer is not easy to deform.

Preferably, the expansion graphite strip is positioned at the inner center of the fireproof door body, the expansion graphite strip is provided with an initial expansion temperature, and the edge of the fireproof door body is provided with a sealing strip.

By adopting the structural design, when the ordinary room temperature is within 40 ℃, the expansion graphite strips are in a free state and cannot deform, when a fire disaster occurs, the fireproof door body is heated, the temperature in the fireproof door body is increased, the expansion graphite strips are heated to expand, so that the first damping spring is extruded, the sealing degree of the fireproof door body can be improved, smoke generated during the fire disaster is prevented from entering, and the safety of the fireproof door body is improved.

Preferably, the movable block is close to insulating layer one side and installs the damping rubber pad, and damping rubber pad is elastic structure design, damping rubber pad and spacing groove butt each other moreover.

By adopting the structural design, when the expanded graphite strips are heated and expand, the first damping springs are stressed to extrude to the position of the limiting groove, the force generated by expanding the expanded graphite strips is buffered, when the expansion force is overlarge, the first damping springs are compressed to the limit, then the surfaces of the limiting groove are extruded through the damping rubber pads on the movable blocks, the force generated by expanding the expanded graphite strips is further buffered, and therefore the fireproof door body can be prevented from being deformed due to the heated expansion inside the fireproof door body, and the service life of the fireproof door body can be prolonged.

Preferably, the fixed slide bar is of an inclined structure design, the bottom of the fixed slide bar is clamped with the sliding groove, and a sliding structure is formed between the fixed slide bar and the sliding groove.

By adopting the structural design, the sliding groove on the movable block moves along the fixed sliding strip in the process of driving the movable block to move when the first damping spring compresses and rebounds, and the fixed sliding strip plays a role in limiting and guiding the movement of the movable block, so that the movable block moves more stably.

Preferably, the flame retardant layer is connected with the movable plate through telescopic columns, 2 telescopic columns are arranged, and the telescopic columns are symmetrical to each other along the center lines of the flame retardant layer and the movable plate.

By adopting the structural design, when the expanded graphite strips are heated and expand, the upper side and the lower side of the expanded graphite strips expand, and then the movable plate can be driven to move towards the flame-retardant layer, the second damping spring plays a role in buffering the movement of the movable plate, and meanwhile, the telescopic column plays a role in guiding and limiting the movement of the movable plate, so that the movable plate moves more stably.

Compared with the prior art, the utility model has the beneficial effects that: this sandwich type fireproof door of registering one's residence:

1. the compression-resistant ball is arranged, so that the compression-resistant capability of the compression-resistant ball is improved, and when the inner part and the outer part of the fireproof door body are impacted by external force, namely, the fireproof layer is stressed, the compression-resistant ball can play a supporting role on the fireproof layer, so that the fireproof layer is not easy to deform;

2. the fireproof door is provided with a first damping spring, a movable block and a damping rubber pad, when the ordinary room temperature is within 40 ℃, the expansion graphite strips are in a free state and cannot deform, when a fire disaster occurs, the fire disaster is large, the heating time of the fireproof door body is long, the temperature in the fireproof door body is increased, the expansion graphite strips are heated and expand, then the first damping spring is stressed to extrude towards the position of a limit groove, the force generated by the expansion of the expansion graphite strips is buffered, when the expansion force is overlarge, the first damping spring is compressed to the limit, then the damping rubber pad on the movable block extrudes the surface of the limit groove, the force generated by the expansion of the expansion graphite strips plays a further buffering role, and therefore the deformation of the fireproof door body caused by the heating expansion of the inner part of the fireproof door body can be prevented, and the service life of the fireproof door body can be prolonged;

3. the second damping spring, the movable plate and the telescopic column are arranged, when the expansion graphite strip is heated and expands, the upper side and the lower side of the expansion graphite strip expand along with the expansion graphite strip, and then the movable plate can be driven to move towards the flame-retardant layer, the second damping spring plays a role in buffering the movement of the movable plate, and meanwhile, the telescopic column plays a role in guiding and limiting the movement of the movable plate, so that the movable plate moves more stably;

4. the fire door is provided with the insulating layer, and the insulating layer can play certain thermal-insulated effect to the temperature that the conflagration produced when the conflagration breaks out, when making the inside personnel of fire door body touch fire door body surface, can not be scalded.

Drawings

FIG. 1 is a schematic side sectional view of the present utility model;

FIG. 2 is a schematic diagram of a front view structure of the present utility model;

FIG. 3 is an enlarged schematic view of the structure of FIG. 1A according to the present utility model;

FIG. 4 is an enlarged schematic view of the structure of FIG. 1B according to the present utility model;

FIG. 5 is a schematic diagram of a movable block structure according to the present utility model;

FIG. 6 is a schematic view of the structure of the fixing runner of the present utility model.

In the figure: 1. a fire door body; 2. a fire-blocking layer; 3. a thermal insulation layer; 4. an arc-shaped groove; 5. compression-resistant balls; 6. a limit groove; 7. expanding the graphite strip; 8. a first damper spring; 9. a movable block; 10. a damping rubber pad; 11. a chute; 12. a fixed slide bar; 13. a flame retardant layer; 14. a second damper spring; 15. a movable plate; 16. and (5) a telescopic column.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Referring to fig. 1-6, the present utility model provides a technical solution: the utility model provides a fire door of sandwich type of entering the family, including preventing fire door body 1, fire-resistant layer 2, insulating layer 3, arc groove 4, compressive ball 5, spacing groove 6, inflation graphite stripe 7, first damping spring 8, movable block 9, damping rubber pad 10, spout 11, fixed draw runner 12, fire-retardant layer 13, second damping spring 14, fly leaf 15 and telescopic column 16, fire-resistant layer 2 is all installed to fire-resistant layer 1's front and back both sides, and fire-resistant layer 2's opposite side all is provided with insulating layer 3, arc groove 4 has all been seted up to fire-resistant layer 2 and insulating layer 3 opposite side, the internally mounted of arc groove 4 has compressive ball 5, and compressive ball 5's left and right sides and arc groove 4 are fixed connection, the centre of a circle of arc groove 4 and compressive ball 5 are located same horizontal straight line, compressive ball 5 is solid structural design moreover, the compressive capacity of compressive ball 5 improves, when fire-resistant layer 2 atress is received external force to fire-resistant layer 1's inside and outside, promptly, compressive ball 5 can play supporting effect to fire-resistant layer 2, make fire-resistant layer 2 be difficult for yielding.

The opposite side of the heat insulation layer 3 is provided with a limit groove 6, the opposite side of the heat insulation layer 3 is provided with an expansion graphite strip 7, the expansion graphite strip 7 is positioned at the inner center of the fireproof door body 1, the expansion graphite strip 7 is provided with an initial expansion temperature, the edge of the fireproof door body 1 is provided with a sealing strip, when the ordinary room temperature is within 40 ℃, the expansion graphite strip 7 is in a free state and cannot deform, when a fire disaster occurs, the fireproof door body 1 is heated, the temperature in the interior of the fireproof door body is increased, the expansion graphite strip 7 is heated to expand so as to be convenient for extruding the first damping spring 8, the sealing degree of the fireproof door body 1 can be improved, the smoke generated when the fire disaster occurs is prevented from entering, the safety of the fireproof door body 1 is improved, the first damping spring 8 is vertically arranged on the left side and the right side of the expansion graphite strip 7, the movable block 9 is installed to the first damping spring 8 near insulating layer 3 one side, the damping rubber pad 10 is installed to the movable block 9 near insulating layer 3 one side, and damping rubber pad 10 is elastic structure design, and damping rubber pad 10 and spacing groove 6 butt each other, when expansion graphite strip 7 is heated and takes place to expand, first damping spring 8 atress extrudees to spacing groove 6 position, cushion the power that expansion graphite strip 7 inflation produced, when the inflation power is too big, first damping spring 8 compresses to the limit, then extrude spacing groove 6 surface through damping rubber pad 10 on the movable block 9, play further cushioning effect to the power that expansion graphite strip 7 inflation produced, thereby can prevent that fire door body 1 inside thermal expansion from leading to fire door body 1 to take place to warp, thereby can improve fire door body 1's life.

The upper surface of movable block 9 has seted up spout 11, fixed draw runner 12 is installed to the opposite one side of insulating layer 3, fixed draw runner 12 is slope structural design, and fixed draw runner 12 bottom and spout 11 joint each other, constitute sliding construction between fixed draw runner 12 and the spout 11 moreover, make first damping spring 8 compression and the in-process that drives movable block 9 and remove when resilience, spout 11 on movable block 9 moves along fixed draw runner 12, fixed draw runner 12 plays spacing and the effect of direction to the removal of movable block 9, make movable block 9 remove more stably, the upper and lower both sides of insulating layer 3 are connected through flame retardant coating 13, be connected through telescopic strut 16 between flame retardant coating 13 and the movable plate 15, and telescopic strut 16 is provided with 2 along the central line of flame retardant coating 13 and movable plate 15 each other symmetrically, when the expansion graphite runner 7 takes place the thermal expansion, the upper and lower both sides of it also take place the inflation thereupon, then can drive movable plate 15 to the direction of flame retardant coating 13 and remove, second damping spring 14 plays the cushioning effect to the removal of movable plate 15, simultaneously telescopic strut 16 to the effect of movable plate 15, the effect of the second damping spring 14 is installed to the relative side of movable plate 15, and the second damping spring is installed to the relative side of 13 is stable, and the second damping spring is installed to the relative side of movable plate 15.

Working principle: when using this sandwich type fire door of registering one's residence, firstly, when the residential building takes place the conflagration, fire door body 1 is heated, its inside temperature rise makes expansion graphite strip 7 be heated and takes place the inflation, then first damping spring 8 atress extrudees to spacing groove 6 position, the power that expansion graphite strip 7 inflation produced is buffered, when the inflation power is too big, first damping spring 8 compression extremely, then extrude spacing groove 6 surface through damping rubber pad 10 on movable block 9, play further cushioning effect to the power that expansion graphite strip 7 inflation produced, thereby can prevent to prevent that fire door body 1 inside thermal expansion and lead to fire door body 1 to take place the deformation.

Simultaneously, when the expansion graphite strips 7 are heated and expand, the upper side and the lower side of the expansion graphite strips are expanded, and then the movable plate 15 can be driven to move towards the flame-retardant layer 13, the second damping springs 14 play a role in buffering the movement of the movable plate 15, and meanwhile, the telescopic columns 16 play a role in guiding and limiting the movement of the movable plate 15, so that the movable plate 15 moves more stably, and a series of works are completed. What is not described in detail in this specification is prior art known to those skilled in the art.

Although the present utility model has been described with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described, or equivalents may be substituted for elements thereof, and any modifications, equivalents, improvements and changes may be made without departing from the spirit and principles of the present utility model.

Claims

1. The utility model provides a sandwich type fireproof door of registering one's residence, includes fireproof door body (1), flame retardant coating (2), insulating layer (3), inflation graphite strip (7) and movable block (9), its characterized in that: fireproof door body (1) all installs fire-retardant coating (2) in the front and back both sides, and the opposite side of fire-retardant coating (2) all is provided with insulating layer (3), arc wall (4) have all been seted up to the opposite side of fire-retardant coating (2) and insulating layer (3) moreover, spacing groove (6) have been seted up to the opposite side of insulating layer (3), and the opposite side of insulating layer (3) is provided with expansion graphite strip (7), and the left and right sides of expansion graphite strip (7) all installs first damping spring (8) perpendicularly, movable block (9) are installed near insulating layer (3) one side to first damping spring (8), spout (11) have been seted up to the upper surface of movable block (9), fixed slide (12) are installed to the opposite side of insulating layer (3), both sides are connected through flame retardant coating (13) about insulating layer (3), and second damping spring (14) are installed perpendicularly to the opposite side of flame retardant coating (13), and movable plate (15) are installed to the opposite side of second damping spring (14).

2. The in-house sandwich fire door of claim 1 wherein: the anti-compression ball (5) is installed in the arc-shaped groove (4), the left side and the right side of the anti-compression ball (5) are fixedly connected with the arc-shaped groove (4), the circle center of the arc-shaped groove (4) and the circle center of the anti-compression ball (5) are located on the same horizontal straight line, and the anti-compression ball (5) is of a solid structure design.

3. The in-house sandwich fire door of claim 1 wherein: the expansion graphite strip (7) is located at the inner center of the fireproof door body (1), the expansion graphite strip (7) is provided with an initial expansion temperature, and the edge of the fireproof door body (1) is provided with a sealing strip.

4. The in-house sandwich fire door of claim 1 wherein: the damping rubber pad (10) is installed on one side of the movable block (9) close to the heat insulation layer (3), the damping rubber pad (10) is of elastic structural design, and the damping rubber pad (10) and the limiting groove (6) are mutually abutted.

5. The in-house sandwich fire door of claim 1 wherein: the fixed sliding strip (12) is of an inclined structure design, the bottom of the fixed sliding strip (12) is clamped with the sliding groove (11), and a sliding structure is formed between the fixed sliding strip (12) and the sliding groove (11).

6. The in-house sandwich fire door of claim 1 wherein: the flame-retardant layer (13) is connected with the movable plate (15) through telescopic columns (16), 2 telescopic columns (16) are arranged, and the telescopic columns (16) are symmetrical to each other along the center line of the flame-retardant layer (13) and the movable plate (15).