Heat preservation and sound insulation fireproof door

By designing a detachable main frame and sealing system in the fire door, the problem of difficulty in opening the existing fire doors in fire is solved, and escape and fire fighting and fire fighting in fire situations is achieved, and sealing performance is improved.

CN222863246UActive Publication Date: 2025-05-13NANJING SERUSHEN DOOR IND CO LTD
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Patent Information

Application Number
CN202420697089.0
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-04-07
Publication Date
2025-05-13
Estimated Expiration
2034-04-07

AI Technical Summary

Technical Problem

There is a lack of seal between the main body of the existing fire door and the door frame, and it is difficult to destroy and open once locked, resulting in hindering rescue.

Method used

A thermal insulation and sound insulation fire door is designed. Through the configuration of the main frame, connecting plate, connecting bolts and connecting blocks, the fire door can be split when it cannot be opened. The two main frames can be rotated independently, thereby opening one of the main frames for escape and fire fighting and extinguishing the fire. At the same time, through the fit of the sealing groove and the sealing strip, the fit of the sealing plate and the sealing groove, the gap is closed to improve the sealing property.

Benefits of technology

It realizes that the fire door can be opened for escape and fire fighting in the case of fire, while reducing the transmission of sound and heat through the design of the vacuum box.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to a heat preservation and sound insulation fireproof door which comprises a fireproof door assembly, the fireproof door assembly comprises main body frames, connecting plates, connecting grooves, connecting blocks and magnet plates, the two main body frames are arranged in series up and down, and the ends, close to each other, of the two main body frames are each provided with one connecting groove; the upper end and the lower end of the connecting block extend into the connecting grooves respectively, the magnet plates are arranged at the upper end and the lower end of the connecting block respectively, and the two magnet plates and the main body frame are attracted in a one-to-one correspondence mode. Through the arrangement of the main body frames, the connecting plates, the connecting bolts and the connecting blocks, the fireproof door can be split when the fireproof door cannot be opened, the two main body frames are unlocked and can rotate independently, and therefore one of the main body frames can be opened for escape and fire fighting.
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Description

Technical Field

[0001] The invention belongs to the field of fireproof doors, in particular to a heat-insulating and sound-insulating fireproof door. Background Art

[0002] A fire door is a door that can meet the requirements of fire resistance stability, integrity and thermal insulation within a certain period of time. It is a fire-resistant partition with a certain fire resistance installed between fire compartments, evacuation stairwells, vertical shafts, etc. In addition to the functions of ordinary doors, fire doors can also prevent the spread of fire and smoke. They can prevent the spread of fire within a certain period of time and ensure the evacuation of personnel.

[0003] The existing relevant patent, patent number CN202123379621.X, "A thermal insulation and soundproof fire door", has the characteristics of "a driving mechanism and the components included therein, cooperating with the driving mechanism and the braking mechanism, using a driving motor as the output center, and a braking method through a sprocket and a chain, and a brake rod as a driving component. Compared with the existing ones, the hinge driving method is eliminated, which makes the service life longer." However, it still has some shortcomings, such as the lack of sealing between the fire door body and the door frame. Once the fire door body and the door frame are locked, it is difficult to destroy and open, which causes great obstacles to rescue. Therefore, a thermal insulation and soundproof fire door is proposed. Summary of the invention

[0004] The purpose of this section is to summarize some aspects of embodiments of the present invention and briefly introduce some preferred embodiments. Some simplifications or omissions may be made in this section and the specification abstract and the invention title of this application to avoid blurring the purpose of this section, the specification abstract and the invention title, and such simplifications or omissions cannot be used to limit the scope of the present invention.

[0005] In view of the following technical problems in the prior art: there is a lack of sealing between the fire door body and the door frame. Once the fire door body and the door frame are locked, it is difficult to break and open them, which causes great obstacles to rescue.

[0006] In order to solve the above technical problems, the present invention provides the following technical solutions: a thermal insulation, sound insulation and fireproof door, comprising:

[0007] A fire door assembly, the fire door assembly comprising a main frame, a connecting plate, a connecting groove, a connecting block and a magnetic plate, the two main frames being arranged in series up and down, one end of the two main frames close to each other being provided with a connecting groove, the upper and lower ends of the connecting block extending into a connecting groove respectively, the upper and lower ends of the connecting block being provided with a magnetic plate respectively, and the two magnetic plates being attracted to the main frames in a one-to-one correspondence;

[0008] The heat preservation and sound insulation component, the vacuum box, each of the main frames is provided with a vacuum box inside;

[0009] A closing assembly, the closing assembly being mounted on the top of one of the main frames;

[0010] The door frame assembly comprises a door frame and a matching cavity. The matching cavity is provided on the inner side of the door frame, and a main frame is hinged on the inner side of the matching cavity.

[0011] The door lock is arranged on one of the main frames.

[0012] As a preferred technical solution for a heat-insulating, sound-insulating and fireproof door, the fireproof door assembly further includes a connecting plate and connecting bolts, wherein the connecting plate is distributed on one side of the main frame, the top of the connecting bolt is connected to one of the main frames through the connecting plate, and the connecting bolt is connected to the other main frame through the connecting plate;

[0013] The connecting plate locks the positions of the two main frames to each other and forms a whole.

[0014] As a preferred technical solution for a heat-insulating, sound-proof and fire-proof door, the fire-proof door assembly further comprises an active cavity, wherein the top of a main frame is provided with an active cavity, the closing assembly comprises a piston 1, a sealing plate, a piston 2, a thermal bimetallic strip and a hook, the top of the inner cavity of the active cavity is slidably connected with the piston 1, the bottom of the inner cavity of the active cavity is slidably connected with the piston 2, a plurality of thermal bimetallic strips are arranged on the inner bottom wall of the active cavity, the thermal bimetallic strips are connected to the bottom of the piston 2, the thermal bimetallic strips are movably connected to the hook, the upper side of the piston 1 is fixedly connected with a sealing plate, the inner top wall of the active cavity is provided with a through groove, the sealing plate is movably connected in the through groove, the door frame assembly further comprises a closed groove, the inner top wall of the matching cavity is provided with a closed groove, the sealing plate is movably plugged into the closed groove, a plurality of hooks are evenly arranged on the lower side of the piston 2, and the hooks correspond to the thermal bimetallic strips one by one;

[0015] The fire door assembly further includes an annular groove, the inner top wall of the movable cavity is provided with an annular groove, and the closing assembly further includes a sealing ring, which corresponds to the annular groove and is movably connected;

[0016] The gas in the active chamber can push the piston into the closed groove.

[0017] As an optimal technical solution for a heat-insulating, sound-insulating and fire-proof door, the heat-insulating and sound-insulating assembly further includes a structural column, a plurality of structural columns are arranged on the inner side of the vacuum box, and the inner cavity of the vacuum box is in a vacuum state;

[0018] The structural columns make the structure of the vacuum box more stable.

[0019] As a preferred technical solution for a heat-insulating, sound-insulating and fire-proof door, the main frame further comprises a rubber rectangular frame, and a rubber rectangular frame is installed at each end of the two main frames close to each other, and the two rubber rectangular frames are movably connected;

[0020] The two rubber rectangular frames cooperate with each other to close the gap between the two main body frames.

[0021] As a preferred technical solution for a heat-insulating, sound-insulating and fireproof door, the fireproof door assembly further includes a sealing groove, the door frame assembly further includes a sealing strip, the inner bottom wall of the matching cavity is provided with a sealing strip, a sealing groove is provided at the bottom end of one of the main frames, and the sealing strip is movably plugged into the sealing groove;

[0022] The sealing groove cooperates with the sealing strip, and the sealing plate cooperates with the closing groove to close the gap between the upper and lower sides of the fire door assembly and the door frame assembly.

[0023] The heat-insulating and sound-insulating fireproof door of the present invention has the following beneficial effects: through the arrangement of the main frame, the connecting plate, the connecting bolts and the connecting blocks, the fireproof door can be split when it cannot be opened, so that the two main frames are unlocked and can rotate independently, so that one of the main frames can be opened for escape and fire fighting;

[0024] The sealing groove and the sealing strip cooperate with each other, and the sealing plate cooperates with the closing groove to close the gap between the upper and lower sides of the fire door assembly and the door frame assembly;

[0025] The vacuum chamber of the vacuum box can reduce sound transmission and reduce heat transmission. BRIEF DESCRIPTION OF THE DRAWINGS

[0026] In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the following briefly introduces the drawings required for describing the embodiments. Obviously, the drawings described below are only some embodiments of the present invention. For ordinary technicians in this field, other drawings can be obtained based on these drawings without creative labor. Among them:

[0027] Figure 1 It is a schematic diagram of the cross-sectional structure of the fire door assembly of the present invention;

[0028] Figure 2 It is a front structural schematic diagram of the present invention;

[0029] Figure 3 For the present invention Figure 1 A schematic diagram of the partially enlarged structure of part A;

[0030] Figure 4 For the present invention Figure 1 Schematic diagram of the local enlarged structure of part B.

[0031] Figure numerals: fire door assembly - 100, main frame - 101, connecting plate - 102, connecting bolt - 103, movable cavity - 104, connecting groove - 105, connecting block - 106, magnetic plate - 107, sealing groove - 108, sealing sleeve - 109, rubber rectangular frame - 110, annular groove - 111, thermal insulation and sound insulation assembly - 200, vacuum box - 201, structural column - 202, closing assembly - 300, piston one - 301, sealing plate - 302, piston two - 303, thermal bimetallic strip - 304, hook - 305, sealing ring - 306, door frame assembly - 400, door frame - 401, matching cavity - 402, sealing strip - 403, closing groove - 404. DETAILED DESCRIPTION

[0032] In order to make the above-mentioned objects, features and advantages of the present invention more obvious and easy to understand, the specific implementation methods of the present invention are described in detail below in conjunction with the accompanying drawings.

[0033] In the following description, many specific details are set forth to facilitate a full understanding of the present invention, but the present invention may also be implemented in other ways different from those described herein, and those skilled in the art may make similar generalizations without violating the connotation of the present invention. Therefore, the present invention is not limited to the specific embodiments disclosed below.

[0034] Secondly, the term "one embodiment" or "embodiment" as used herein refers to a specific feature, structure, or characteristic that may be included in at least one implementation of the present invention. The term "in one embodiment" that appears in different places in this specification does not necessarily refer to the same embodiment, nor does it refer to a separate or selective embodiment that is mutually exclusive with other embodiments.

[0035] Secondly, the present invention is described in detail with reference to the schematic diagram. When describing the embodiments of the present invention in detail, for the sake of convenience, the cross-sectional diagrams showing the device structure will not be partially enlarged according to the general scale, and the schematic diagrams are only examples, which should not limit the scope of protection of the present invention. In addition, in actual production, the three-dimensional dimensions of length, width and depth should be included.

[0036] like Figure 1-4 As shown, the present invention provides a heat-insulating, sound-insulating and fire-proof door, comprising:

[0037] A fire door assembly 100, comprising a main frame 101, a connecting plate 102, a connecting groove 105, a connecting block 106 and a magnetic plate 107, wherein two main frames 101 are arranged in series up and down, and one end of the two main frames 101 close to each other is provided with a connecting groove 105, and the upper and lower ends of the connecting block 106 are respectively extended into a connecting groove 105, and the upper and lower ends of the connecting block 106 are respectively provided with a magnetic plate 107, and the two magnetic plates 107 are attracted to the main frames 101 in a one-to-one correspondence;

[0038] The heat preservation and sound insulation component 200, the vacuum box 201, each of the main frames 101 is provided with a vacuum box 201;

[0039] A closing assembly 300, wherein the closing assembly 300 is installed on the top of one of the main frames 101;

[0040] The door frame assembly 400 includes a door frame 401 and a matching cavity 402 . The matching cavity 402 is provided on the inner side of the door frame 401 , and the main frame 101 is hinged on the inner side of the matching cavity 402 .

[0041] The door lock is arranged on one of the main frames 101 .

[0042] The fire door assembly 100 further includes a connecting plate 102 and a connecting bolt 103, wherein the connecting plate 102 is distributed on one side of the main frame 101, the top of the connecting bolt 103 is connected to one of the main frames 101 through the connecting plate 102, and the connecting bolt 103 is connected to the other main frame 101 through the connecting plate 102;

[0043] The connecting plate 102 locks the positions of the two main frames 101 to form a whole.

[0044] The fire door assembly 100 also includes an active cavity 104, wherein the active cavity 104 is opened at the top of a main frame 101, and the closing assembly 300 includes a piston 1 301, a sealing plate 302, a piston 2 303, a thermal bimetallic strip 304 and a hook 305. The top of the inner cavity of the active cavity 104 is slidably connected to the piston 1 301, and the bottom of the inner cavity of the active cavity 104 is slidably connected to the piston 2 303. A plurality of thermal bimetallic strips 304 are installed on the inner bottom wall of the active cavity 104, and the thermal bimetallic strips 304 are connected to the bottom of the piston 2 303. The thermal bimetallic strip 304 is movably connected with the hook 305, the upper side of the piston 1 301 is fixedly connected with a sealing plate 302, the inner top wall of the movable cavity 104 is provided with a through groove, the sealing plate 302 is movably connected in the through groove, the door frame assembly 400 also includes a closed groove 404, the inner top wall of the matching cavity 402 is provided with a closed groove 404, the sealing plate 302 is movably plugged with the closed groove 404, and the lower side of the piston 2 303 is evenly provided with a plurality of hooks 305, and the hooks 305 correspond to the thermal bimetallic strips 304 one by one;

[0045] There is an air layer between piston 2 303 and piston 1 301. When a fire occurs, the air layer expands, and the hot bimetallic strip 304 is heated to pull piston 2 303 down to offset part of the pressure exerted on piston 1 301 and sealing plate 302 by the expansion of the air layer, thereby reducing the difficulty of sealing plate 302 detaching from closed groove 404 when a fire occurs. An air pressure balance hole is provided at the bottom of the active chamber 104.

[0046] The fire door assembly 100 further includes an annular groove 111, and the inner top wall of the movable cavity 104 is provided with an annular groove 111. The closing assembly 300 further includes a sealing ring 306, and the sealing ring 306 corresponds to the annular groove 111 and is movably connected.

[0047] The gas in the active chamber 104 can push the piston 301 into the closed groove 404 .

[0048] The thermal insulation and sound insulation assembly 200 further includes a structural column 202. A plurality of structural columns 202 are disposed on the inner side of the vacuum box 201. The inner cavity of the vacuum box 201 is in a vacuum state.

[0049] The structural column 202 makes the structure of the vacuum box 201 more stable.

[0050] The main frame 101 further includes a rubber rectangular frame 110. A rubber rectangular frame 110 is installed at each end of the two main frames 101 close to each other, and the two rubber rectangular frames 110 are movably connected.

[0051] The two rubber rectangular frames 110 cooperate with each other to close the gap between the two main frames 101 .

[0052] The fireproof door assembly 100 further includes a sealing groove 108, and the door frame assembly 400 further includes a sealing strip 403. The inner bottom wall of the matching cavity 402 is provided with a sealing strip 403. A sealing groove 108 is opened at the bottom end of one of the main frames 101, and the sealing strip 403 is movably plugged into the sealing groove 108.

[0053] The sealing groove 108 cooperates with the sealing strip 403 , and the sealing plate 302 cooperates with the closing groove 404 , so that the gaps between the upper and lower sides of the fire door assembly 100 and the door frame assembly 400 are closed.

[0054] The connection block 106 is made of silicone.

[0055] The gas in the space between the second piston 303 and the first piston 301 can compress the sealing plate 302 on the first piston 301 to extend out of the through groove and insert into the closed groove 404 .

[0056] The sealing strip 403 is made of oil rubber.

[0057] The specific implementation method is as follows: when a fire occurs, the thermal insulation and sound insulation assembly 200 can isolate most of the heat, the closing assembly 300, the fire door assembly 100 and the door frame assembly 400 can isolate the smoke, and when the fire door is difficult to open, the thermal insulation and sound insulation assembly 200 and the connecting plate 102 can be separated so that one of the main frames 101 can be detached from the main frame 101 to create an escape hatch.

[0058] It will be appreciated that in the development of any actual implementation, as in any engineering or design project, numerous implementation-specific decisions may be made. Such a development effort may be complex and time-consuming, but will be a routine task of design, fabrication, and production for those of ordinary skill having the benefit of this disclosure without undue experimentation.

[0059] It should be noted that the above embodiments are only used to illustrate the technical solutions of the present invention rather than to limit it. Although the present invention has been described in detail with reference to the preferred embodiments, those skilled in the art should understand that the technical solutions of the present invention may be modified or replaced by equivalents without departing from the spirit and scope of the technical solutions of the present invention, which should all be included in the scope of the claims of the present invention.

Claims

1. A thermal insulation, sound insulation and fireproof door, characterized by: include: A fire door assembly (100), the fire door assembly (100) comprising a main frame (101), a connection groove (105), a connection block (106) and a magnetic plate (107), wherein two main frames (101) are arranged in series up and down, and one end of the two main frames (101) close to each other is respectively provided with a connection groove (105), and the upper and lower ends of the connection block (106) respectively extend into a connection groove (105), and a magnetic plate (107) is respectively installed at the upper and lower ends of the connection block (106); A heat-insulating and sound-insulating assembly (200), wherein a vacuum box (201) is disposed inside each of the main frames (101); A closing component (300), wherein the closing component (300) is installed on the top of one of the main frames (101); A door frame assembly (400) comprising a door frame (401) and a matching cavity (402); the matching cavity (402) is provided on the inner side of the door frame (401); and a main frame (101) is hingedly connected to the inner side of the matching cavity (402).

2. A thermal insulation, sound insulation and fireproof door according to claim 1, characterized in that: The fire door assembly (100) further comprises a connecting plate (102) and a connecting bolt (103), wherein the connecting plate (102) is distributed on one side of the main frame (101), the top of the connecting bolt (103) is connected to one of the main frames (101) via the connecting plate (102), and the connecting bolt (103) is connected to the other main frame (101) via the connecting plate (102).

3. The thermal insulation, sound insulation and fireproof door according to claim 1, characterized in that: The fire door assembly (100) further comprises an active cavity (104), wherein the active cavity (104) is provided at the top of one of the main frames (101); The sealing assembly (300) comprises a piston 1 (301), a sealing plate (302), a piston 2 (303), a thermal bimetallic strip (304) and a hook (305); the top of the inner cavity of the movable cavity (104) is slidably connected to the piston 1 (301); the bottom of the inner cavity of the movable cavity (104) is slidably connected to the piston 2 (303); a plurality of thermal bimetallic strips (304) are arranged on the inner bottom wall of the movable cavity (104); ) is connected to the bottom of piston two (303), the upper side of piston one (301) is fixedly connected with a sealing plate (302), the inner top wall of the movable cavity (104) is provided with a through groove, and the sealing plate (302) is movably connected in the through groove, and the door frame assembly (400) further includes a closed groove (404), the inner top wall of the matching cavity (402) is provided with a closed groove (404), and the sealing plate (302) is movably plugged into the closed groove (404).

4. The thermal insulation, sound insulation and fireproof door according to claim 1, characterized in that: The thermal insulation and sound insulation component (200) further comprises a structural column (202), and a plurality of structural columns (202) are arranged on the inner side of the vacuum box (201).

5. The thermal insulation, sound insulation and fireproof door according to claim 1, characterized in that: The main frame (101) further comprises a rubber rectangular frame (110), and one end of two main frames (101) close to each other is provided with a rubber rectangular frame (110), and the two rubber rectangular frames (110) are movably connected.

6. The thermal insulation, sound insulation and fireproof door according to claim 3, characterized in that: The fire door assembly (100) further comprises an annular groove (111), the inner top wall of the movable cavity (104) is provided with an annular groove (111), and the sealing assembly (300) further comprises a sealing ring (306), the sealing ring (306) corresponding to the annular groove (111) and movably connected.

7. The thermal insulation, sound insulation and fireproof door according to claim 1, characterized in that: The fireproof door assembly (100) further comprises a sealing groove (108), and the door frame assembly (400) further comprises a sealing strip (403). The inner bottom wall of the matching cavity (402) is provided with a sealing strip (403). A sealing groove (108) is provided at the bottom end of one of the main frames (101), and the sealing strip (403) is movably plugged into the sealing groove (108).

Citation Information

Patent Citations

  • Heat preservation and sound insulation fireproof door

    CN217206150U