Fireproof interior door

By adopting a door frame and a multi-layer metal plate structure with three fireproof boards, combined with the drive assembly and sealing strip, the problem of fire door short fire resistance and easy flame smoke passing through is solved, achieving higher installation stability and sealing effect , enhance indoor safety.

CN113047752BActive Publication Date: 2025-01-14ANHUI SHANGBAI SMART HOME CO LTD
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Patent Information

Application Number
CN202110389470.1
Authority / Receiving Office
CN · China
Patent Type
Patents(China)
Current Assignee / Owner
Filing Date
2021-04-12
Publication Date
2025-01-14
Estimated Expiration
2041-04-12

AI Technical Summary

Technical Problem

The existing fireproof doors are not fire-resistant for a long time, and flames and smoke are easily entered into the room through the gap between the door frame and the door leaf.

Method used

The door frame is composed of three fireproof boards, with open grooves and grooves inside, fixedly connected to screws through hinges. The door body is equipped with multi-layer metal plates and rectangular frame layers, combining the drive assembly and sealing strips to achieve sealing effect to prevent Flame tongue and smoke enter.

Benefits of technology

It improves the installation stability and sealing effect of fire doors, significantly extends the fire resistance time, and enhances the safety of indoor personnel.

✦ Generated by Eureka AI based on patent content.

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  • Figure CN113047752B_ABST
    Figure CN113047752B_ABST
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Abstract

The present invention discloses a fireproof interior door, comprising a door frame, an opening groove, a fireproof door, a door edge seam sealing driving wheel and a fireproof sealing strip. According to the present invention, during installation, a hinge can be inserted into the groove, thereby increasing the connection effect between the hinge and the door frame, preventing the hinge from bearing the entire weight of the fireproof door through screws, and thereby improving the installation stability of the fireproof door. When a fire occurs, indoor personnel rotate the door edge seam sealing driving wheel, and the driving component is driven to rotate through the cooperation of a square neck rod and a square socket. When the driving component rotates, the driving rod is pushed out, and the edge sealing strip slides outward along the slide groove, and the edge sealing strip is clamped with the opening groove on the inner side of the door frame through the through groove, thereby achieving the sealing of the fireproof door and the door frame, thereby preventing flames or smoke from entering the house through the door seam, and greatly improving the safety of indoor personnel.
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Description

Technical Field

[0001] The present invention specifically relates to the technical field of fireproof doors, in particular to a fireproof interior door. Background Art

[0002] Generally, fire doors refer to doors with fire resistance. Fire doors can help people escape from fire, prevent fire from spreading, delay the spread of fire and resist fire for a certain period of time. Domestic traditional craftsmanship mainly uses galvanized sheet or stainless steel sheet as raw materials, and after bending and forming, makes the frame of fireproof glass door, and adds fireproof glass structure in the middle.

[0003] However, the fire resistance time of this type of fire door is not long, and flames and smoke can easily enter the room through the gaps around the door frame and door leaf. Summary of the invention

[0004] The object of the present invention is to provide a fireproof interior door to solve the problem that the existing fireproof doors mentioned in the above background technology have a short fire resistance time and flames and smoke can easily enter the room through the gaps around the door frame and the door leaf.

[0005] To achieve the above object, the present invention provides the following technical solutions:

[0006] A fireproof interior door, comprising a door frame, an opening groove, a fireproof door, a door side seam closing driving wheel and a fireproof sealing strip, wherein the door frame is composed of three fireproof panels, and an opening groove is provided on the inner side of the door frame; a plurality of grooves are provided on the inner side of one side of the door frame from top to bottom, and a hinge is fixedly installed in the groove by screws; one side of the fireproof door is movably connected to the door frame by a hinge; a door side seam closing driving wheel is provided on one side of the fireproof door, and through grooves are provided on the other three sides of the door body except the side where the hinge is installed; a fireproof sealing strip is embedded on the side where the hinge is installed, and an edge banding strip is provided on the inner side of the through groove; the edge banding strip is slidably connected to the slide groove, and a driving rod is fixedly installed at the middle position of the edge banding strip; the driving rod is cooperatively connected with a driving assembly; the driving assembly is fixedly installed at the middle position of the door body through a bearing, and the driving assembly is surrounded by four semicircular grooves and four raised semicircles, and the end of the driving rod away from the edge banding strip is set in a ball head shape.

[0007] As a further technical solution of the present invention, the fireproof door comprises a door body, wherein the door body is provided with three layers, the outer layer is a metal plate, and a rectangular frame layer is provided between two metal plates.

[0008] As a further technical solution of the present invention, a square socket is provided in the middle of the driving assembly; the square socket is plugged with a square neck rod fixedly connected to the door side seam closing driving wheel.

[0009] Compared with the prior art, the present invention has the following beneficial effects:

[0010] The present invention can insert the hinge into the groove during installation, thereby increasing the connection effect between the hinge and the door frame, preventing the hinge from bearing the entire weight of the fire door through screws, and thereby improving the installation stability of the fire door.

[0011] In the present invention, when a fire occurs, the indoor personnel rotate the door edge gap closing driving wheel, and the driving assembly is driven to rotate through the cooperation of the square neck rod and the square plug hole. When the driving assembly rotates, the driving rod is pushed out, and the edge sealing strip slides outward along the slide groove. The edge sealing strip is connected with the opening groove on the inner side of the door frame through the through groove, thereby realizing the sealing of the fireproof door and the door frame, thereby preventing the flame or smoke from entering the house through the door gap, and greatly improving the safety of the indoor personnel;

[0012] The present invention has a door body with three layers, an outer layer is a metal plate, a rectangular frame layer is arranged between two metal plates, and the metal plates of the inner and outer layers have good flame retardancy and can prevent the fire door from being burned. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] Figure 1 It is a three-dimensional structural schematic diagram of the present invention.

[0014] Figure 2 The present invention Figure 1 Rear view of.

[0015] Figure 3 It is a schematic diagram of the internal structure of the fire door of the present invention.

[0016] In the figure: 1-door frame, 2-opening groove, 3-hinge, 4-fire door, 41-door body, 42-driving assembly, 43-square socket, 44-driving rod, 45-sliding groove, 46-through groove, 47-edge sealing strip, 5-door side seam closing driving wheel, 6-fireproof sealing strip. DETAILED DESCRIPTION

[0017] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0018] See also Figure 1-3In an embodiment of the present invention, a fireproof interior door comprises a door frame 1, an opening groove 2, a fireproof door 4, a door side seam closing driving wheel 5 and a fireproof sealing strip 6. The door frame 1 is composed of three fireproof panels, and an opening groove 2 is provided on the inner side of the door frame 1; a plurality of grooves are provided on the inner side of one side of the door frame 1 from top to bottom, and hinges 3 are fixedly installed in the grooves by screws; one side of the fireproof door 4 is movably connected to the door frame 1 by the hinge 3; and a door side seam closing driving wheel 5 is provided on one side of the fireproof door 4.

[0019] In this embodiment, the fire door 4 includes a door body 41. The door body 41 is configured to have three layers, an outer layer is a metal plate, and a rectangular frame layer is provided between two metal plates.

[0020] In this embodiment, through grooves 46 are formed on the other three sides of the door body 41 except the side where the hinge 3 is installed; and a fireproof sealing strip 6 is embedded on the side where the hinge 3 is installed.

[0021] In this embodiment, an edge banding strip 47 is disposed inside the through groove 46 ; the edge banding strip 47 is slidably connected to the slide groove 45 .

[0022] In this embodiment, a driving rod 44 is fixedly installed in the middle position of the edge banding strip 47; the driving rod 44 is connected with the driving assembly 42; the driving assembly 42 is fixedly installed in the middle position inside the door body 41 through a bearing.

[0023] In this embodiment, the driving component 42 has four semicircular grooves and four raised semicircles around its periphery.

[0024] In this embodiment, one end of the driving rod 44 away from the edge banding strip 47 is configured to be in a ball head shape.

[0025] In this embodiment, a square plug hole 43 is provided in the middle of the driving assembly 42 ; a square neck rod fixedly connected to the door edge gap closing driving wheel 5 is inserted into the square plug hole 43 .

[0026] The working principle of the present invention is: during installation, the hinge 3 can be inserted into the groove, thereby increasing the connection effect between the hinge 3 and the door frame 1, preventing the hinge 3 from bearing the entire weight of the fire door 4 through the screws, and thereby improving the installation stability of the fire door 4;

[0027] When a fire occurs, the indoor personnel rotate the door edge gap closing driving wheel 5, and the driving assembly 42 is driven to rotate through the cooperation of the square neck rod and the square socket 43. When the driving assembly 42 rotates, the driving rod 44 is pushed out, and the edge sealing strip 47 slides outward along the slide groove 45. The edge sealing strip 47 is connected with the opening groove 2 on the inner side of the door frame 1 through the through groove 46, thereby achieving the sealing of the fire door 4 and the door frame 1, thereby preventing the flames or smoke from entering the house from the door gap, greatly improving the safety of the indoor personnel;

[0028] The door body 41 is configured to have three layers, the outer layer is a metal plate, a rectangular frame layer is provided between the two metal plates, and the inner and outer metal plates have good flame retardancy and can prevent the fire door from being burned.

[0029] It will be apparent to those skilled in the art that the invention is not limited to the details of the exemplary embodiments described above and that the invention can be implemented in other specific forms without adjoining the spirit or essential features of the invention. Therefore, the embodiments should be considered exemplary and non-limiting in all respects, and the scope of the invention is defined by the appended claims rather than the foregoing description, and it is intended that all variations within the meaning and range of equivalent elements of the claims be included in the invention. Any reference numeral in a claim should not be considered as limiting the claim to which it relates.

[0030] In addition, it should be understood that although the present specification is described according to implementation modes, not every implementation mode contains only one independent technical solution. This description of the specification is only for the sake of clarity. Those skilled in the art should regard the specification as a whole. The technical solutions in each embodiment may also be appropriately combined to form other implementation modes that can be understood by those skilled in the art.

Claims

1. A fireproof interior door, characterized in that: The invention comprises a door frame (1), an opening groove (2), a fire door (4), a door side seam sealing driving wheel (5) and a fireproof sealing strip (6), wherein the door frame (1) is composed of three fireproof panels, and an opening groove (2) is provided on the inner side of the door frame (1); a plurality of grooves are provided on the inner side of one side of the door frame (1) from top to bottom, and hinges (3) are fixedly installed in the grooves by screws; one side of the fire door (4) is movably connected to the door frame (1) by the hinge (3); and one side of the fire door (4) is provided with a door side seam sealing driving wheel (5); The fireproof door (4) comprises a door body (41), and through grooves (46) are provided on the other three sides of the door body (41) except the side where the hinge (3) is installed, and a fireproof sealing strip (6) is embedded on the side where the hinge (3) is installed. An edge sealing strip (47) is provided on the inner side of the through groove (46), and the edge sealing strip (47) is slidably connected to the slide groove (45); A driving rod (44) is fixedly installed in the middle position of the edge banding strip (47), the driving rod (44) is cooperatively connected with the driving assembly (42), the driving assembly (42) is fixedly installed in the middle position inside the door body (41) via a bearing, the driving assembly (42) has four semicircular grooves and four raised semicircles around it, and the end of the driving rod (44) away from the edge banding strip (47) is set in a ball head shape; The door body (41) is configured to have three layers, the outer layer being a metal plate, and a rectangular frame layer being provided between two metal plates.

2. The fireproof interior door according to claim 1, characterized in that: A square plug hole (43) is provided in the middle of the driving assembly (42); a square neck rod fixedly connected to the door side seam closing driving wheel (5) is plugged into the square plug hole (43).

Citation Information

Patent Citations

  • Environment-friendly fireproof door capable of controlling expansion of sealing piece

    CN212406512U

  • Fireproof interior door

    CN216517650U