Fireproof door frame fixing device and fixing method thereof
By installing connecting components and fasteners on the partition strips on both sides of the fire door opening, the problem of loose fire door frames was solved, enabling stable installation and normal use of the fire door.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Applications(China)
- Current Assignee / Owner
- Filing Date
- 2025-12-10
- Publication Date
- 2026-03-10
AI Technical Summary
In traditional methods, fire door frames are prone to loosening and falling off after installation on ALC lightweight partition panels, affecting their functionality.
The fire door frame is fixed by using a combination of connecting components and fasteners, with multiple connecting components inserted through the partition wall strip along the width of the fire door and threadedly connected to the fasteners.
This improves the installation firmness and stability of fire door frames, ensuring the normal use of fire doors.
Smart Images

Figure CN121630188A_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The present application relates to the technical field of building construction, and in particular to a fire door frame fixing device and a fixing method thereof. BACKGROUND
[0002] In building construction, ALC light partition strip is widely used in residential, commercial, hospital and other types of building structures due to its light weight, heat preservation, sound insulation, fire resistance and other advantages. In order to meet the fire protection requirements, fire doors need to be installed in buildings. However, fire doors usually have a large self-weight, and the opening and closing frequency is high in the later stage, so the fixing requirements for the door frame of the fire door are high.
[0003] Traditional ALC light partition strip usually does not set a frame-holding column or a structural column. In the prior art, when the fire door frame is installed on the ALC light partition strip, the expansion bolts are usually used for fixing. However, due to the light material of the ALC light partition strip, the expansion bolts are easy to loosen and fall off after being punched for a long time, thereby affecting the use function of the fire door.
[0004] Therefore, there is an urgent need to provide a fire door frame fixing device and a fixing method thereof. SUMMARY
[0005] The purpose of the present application is to provide a fire door frame fixing device and a fixing method thereof, which can ensure the firmness of the installation of the fire door frame, effectively improve the stability of the installation of the fire door, and ensure the normal use of the fire door.
[0006] To achieve the above purpose, the present application adopts the following technical solutions:
[0007] In a first aspect, a fire door frame fixing device is provided for fixing a fire door frame to partition strips on both sides of a fire door opening, comprising:
[0008] A connecting assembly is provided on the partition strips on both sides of the fire door opening in a vertical direction, the connecting assembly is arranged in the partition strip in the width direction of the fire door, each connecting assembly comprises a fixed end and a plug-in end, the fixed end is connected with the partition strip, the plug-in end extends out of the partition strip and extends into the fire door opening, and the plug-in end is arranged to pass through the connecting hole of the fire door frame.
[0009] A plurality of first fasteners are provided, the first fasteners correspond to the plug-in ends of the connecting assemblies one by one, and the first fasteners are threadedly connected with the plug-in ends, so that the fire door frame is connected with the connecting assemblies.
[0010] Optionally, the connecting assembly comprises a first plug-in piece and a second fastener, the first plug-in piece is provided with the fixed end and the plug-in end, the first plug-in piece penetrates through the partition strip, and the second fastener is arranged at the fixed end of the first plug-in piece and is threadedly connected with the fixed end.
[0011] Optionally, the first plug-in piece penetrates through the partition strip in the middle along the thickness direction of the partition strip.
[0012] Optionally, the connecting assembly further comprises a first protective gusset and a second protective gusset, the first protective gusset is arranged at the fixed end of the first plug-in piece and is clamped between the second fastener and the partition strip, the second protective gusset is arranged at the plug-in end of the first plug-in piece, the second protective gusset is located in the inner cavity of the fire door frame, and the second protective gusset is clamped between the first fastener and the inner wall of the fire door frame.
[0013] Optionally, the first protective gusset and the second fastener are embedded in the accommodating groove of the partition strip, so that the first protective gusset and the second fastener are flush with the side surface of the partition strip.
[0014] Optionally, the first plug-in piece comprises a plug-in screw, and the first fastener and the second fastener each comprise a fastening nut.
[0015] Optionally, the connecting assembly comprises a connecting sleeve and a second plug-in piece, the connecting sleeve is pre-buried in the partition strip, the fixed end of the second plug-in piece penetrates through the partition strip and is threadedly screwed in the connecting sleeve, and the plug-in end of the second plug-in piece is configured to penetrate through the connecting hole of the fire door frame.
[0016] In a second aspect, a fixing method of a fire door frame is provided, which uses the fire door frame fixing device as described above, and the fixing method of the fire door frame comprises the following steps:
[0017] A plurality of connecting assemblies are arranged on the partition strips on both sides of the fire door opening along the width direction of the fire door, the plurality of connecting assemblies on the partition strip on any side are arranged vertically and spaced apart, the fixed end of the connecting assembly is connected with the partition strip, and the plug-in end of the connecting assembly extends out of the partition strip and into the fire door opening;
[0018] The fire door frame is placed in the fire door opening, and the plug-in end is arranged in the connecting hole of the fire door frame;
[0019] The first fastener is sleeved on the plug-in end, and a mounting tool is used to threadedly connect the plug-in end, so that the fire door frame is connected with the connecting assembly.
[0020] Advantages of the present application:
[0021] The present application provides a fire door frame fixing device and a fixing method thereof. The fire door frame fixing device comprises a connecting assembly and a first fastener. When it is necessary to install a fire door frame on a fire door opening composed of partition strips, a plurality of connecting assemblies are first arranged on the partition strips on both sides of the fire door opening along the width direction of the fire door. The plurality of connecting assemblies on any one side of the partition strips are arranged vertically and spaced apart. The fixed end of the connecting assembly is connected to the partition strip, and the insertion end of the connecting assembly extends out of the partition strip and into the fire door opening. Then, the fire door frame is placed in the fire door opening, and the insertion end is arranged in the connecting hole of the fire door frame. Finally, the first fastener is sleeved on the insertion end and is threadedly connected to the insertion end using an installation tool, so that the fire door frame is connected to the connecting assembly. By arranging a plurality of connecting assemblies on the partition strips and cooperating with a plurality of first fasteners, the fire door frame and the partition strips are connected, which can ensure the firmness of the fire door frame installation, thereby effectively improving the stability of the fire door installation and ensuring the normal use of the fire door. BRIEF DESCRIPTION OF DRAWINGS
[0022] Fig. 1 is a structural schematic view of the fire door frame fixing device provided by the embodiment of the present application when it is arranged on the partition strip;
[0023] Fig. 2 is a structural schematic view of the fire door frame provided by the embodiment of the present application;
[0024] Fig. 3 is a structural schematic view of the connecting assembly provided by the embodiment of the present application.
[0025] In the drawings:
[0026] 100, fire door frame; 1001, connecting hole; 200, partition strip; 300, fire door opening;
[0027] 1, connecting assembly; 11, first insertion piece; 111, fixed end; 112, insertion end; 12, second fastener; 13, first protective pad plate; 14, second protective pad plate;
[0028] 2, first fastener. DETAILED DESCRIPTION
[0029] The present application will be further described in detail below in conjunction with the drawings and embodiments. It can be understood that the specific embodiments described herein are only used to explain the present application, but not to limit the present application. In addition, it should be noted that, in order to facilitate description, only the parts related to the present application are shown in the drawings, but not all structures.
[0030] In the description of the present application, unless otherwise explicitly specified and limited, the terms "connected", "connected", "fixed" should be understood broadly, for example, it can be fixedly connected, or it can be detachably connected, or it can be integrated; it can be mechanically connected, or it can be electrically connected; it can be directly connected, or it can be indirectly connected through an intermediate medium; it can be the internal communication of two elements or the interaction relationship between two elements. For those skilled in the art, the specific meaning of the above terms in the present application can be understood according to the specific circumstances.
[0031] In the present application, unless otherwise explicitly specified and limited, the first feature "on" or "under" the second feature can include that the first and second features are in direct contact, or that the first and second features are not in direct contact but are in contact through another feature between them. Moreover, the first feature "on", "above" and "above" the second feature includes that the first feature is directly above and obliquely above the second feature, or only indicates that the first feature is higher than the second feature in horizontal height. The first feature "under", "below" and "below" the second feature includes that the first feature is directly below and obliquely below the second feature, or only indicates that the first feature is lower than the second feature in horizontal height.
[0032] In the description of the present embodiment, the terms "up", "down", "left", "right" and other orientation or position relationship are based on the orientation or position relationship shown in the drawings, and are only for the convenience of description and simplification of operation, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as a limitation on the present application. In addition, the terms "first", "second" are only used to distinguish in description, and have no special meaning.
[0033] Embodiment one
[0034] The present embodiment provides a fireproof door frame fixing device for fixing the fireproof door frame 100 on the partition strip 200 on both sides of the fireproof door opening 300, as shown in the figure, the fixing device is arranged on the partition strip 200 for installing the fireproof door frame 100, which can ensure the firmness of the installation of the fireproof door frame 100, effectively improve the stability of the installation of the fireproof door, and ensure the normal use of the fireproof door. Figs. 1-3
[0035] As shown in the figure, the fixing device is arranged on the partition strip 200 for installing the fireproof door frame 100, which can ensure the firmness of the installation of the fireproof door frame 100, effectively improve the stability of the installation of the fireproof door, and ensure the normal use of the fireproof door. Figs. 1-3 As shown, the fire door frame fixing device comprises a connecting assembly 1 and a first fastener 2. Among them, a plurality of connecting assemblies 1 are vertically and spaced apart on the partition strip 200 on both sides of the fire door opening 300, and the connecting assembly 1 is arranged in the partition strip 200 along the width direction of the fire door. Each connecting assembly 1 comprises a fixed end 111 and a plug-in end 112, and the fixed end 111 is connected with the partition strip 200. The plug-in end 112 extends out of the partition strip 200 and extends into the fire door opening 300. The plug-in end 112 is arranged in the connecting hole 1001 of the fire door frame 100. A plurality of first fasteners 2 are provided, and the plug-in end 112 of the plurality of connecting assemblies 1 corresponds to the plurality of first fasteners 2. The first fastener 2 is threadedly connected with the plug-in end 112 to connect the fire door frame 100 with the connecting assembly 1.
[0036] When it is necessary to install the fire door frame 100 on the fire door opening 300 composed of the partition strip 200, first, a plurality of connecting assemblies 1 are arranged in the partition strip 200 on both sides of the fire door opening 300 along the width direction of the fire door, and the plurality of connecting assemblies 1 on any one side of the partition strip 200 are vertically and spaced apart. The fixed end 111 of the connecting assembly 1 is connected with the partition strip 200, and the plug-in end 112 of the connecting assembly 1 extends out of the partition strip 200 and extends into the fire door opening 300. Then, the fire door frame 100 is placed in the fire door opening 300, and the plug-in end 112 is arranged in the connecting hole 1001 of the fire door frame 100. Finally, the first fastener 2 is sleeved on the plug-in end 112 and is threadedly connected with the plug-in end 112 by using an installation tool, so as to connect the fire door frame 100 with the connecting assembly 1. By arranging a plurality of connecting assemblies 1 on the partition strip 200 and cooperating with a plurality of first fasteners 2, the fire door frame 100 and the partition strip 200 are connected, which can ensure the firmness of the installation of the fire door frame 100, thereby effectively improving the stability of the installation of the fire door and ensuring the normal use of the fire door.
[0037] Exemplarily, three connecting assemblies 1 are arranged on any one side of the partition strip 200 along the width direction of the fire door, and six first fasteners 2 are correspondingly arranged.
[0038] In other embodiments, other numbers of connecting assemblies 1 and first fasteners 2 can be arranged according to actual needs, which are not limited herein.
[0039] In this embodiment, a plurality of connecting assemblies 1 are uniformly and spaced apart arranged in the partition strip 200 along the vertical direction. By uniformly and spaced apart arranging a plurality of connecting assemblies 1, the stress of the fire door frame 100 can be uniformly distributed, thereby further improving the stability and firmness of the installation.
[0040] It should be noted that the number and spacing of the connecting assemblies 1 are determined according to the actual height of the fire door used.
[0041] Optionally, as shown in Figs. 1-3 The connecting assembly 1 comprises a first plug-in piece 11 and a second fastener 12. The first plug-in piece 11 is provided with a fixed end 111 and a plug-in end 112, and the first plug-in piece 11 penetrates the partition strip 200. The second fastener 12 is arranged at the fixed end 111 of the first plug-in piece 11 and is threadedly connected with the fixed end 111. When the fireproof door frame 100 is installed, first, the first plug-in piece 11 penetrates the partition strip 200, so that the fixed end 111 of the first plug-in piece 11 is located at the side of the partition strip 200 away from the fireproof door opening 300, and the plug-in end 112 is located at the side of the partition strip 200 close to the fireproof door opening 300, the fixed end 111 is threadedly connected with the second fastener 12, so that the fixed end 111 is connected with the partition strip 200, and the plug-in end 112 extends out of the partition strip 200 and extends into the fireproof door opening 300 and is arranged in the connecting hole 1001 of the fireproof door frame 100, and is used for threadedly connecting with the first fastener 2.
[0042] Optionally, the first plug-in piece 11 penetrates the partition strip 200 along the thickness direction of the partition strip 200, which can ensure that the fireproof door frame 100 is uniformly stressed, avoid eccentric torsional force on the first plug-in piece 11, prevent the first plug-in piece 11 from being deformed and twisted, and ensure the stability of the overall structure.
[0043] Exemplarily, the first plug-in piece 11 comprises a plug-in screw, and the first fastener 2 and the second fastener 12 each comprise a fastening nut.
[0044] Optionally, as shown in Figs. 1-3 The connecting assembly 1 further comprises a first protective gusset 13 and a second protective gusset 14. The first protective gusset 13 is arranged in the fixed end 111 of the first plug-in piece 11 and is clamped between the second fastener 12 and the partition strip 200. The second protective gusset 14 is arranged in the plug-in end 112 of the first plug-in piece 11, and the second protective gusset 14 is located in the inner cavity of the fireproof door frame 100 and is clamped between the first fastener 2 and the inner wall of the fireproof door frame 100. By arranging the first protective gusset 13, the contact area between the second fastener 12 and the partition strip 200 can be increased, which is beneficial to dispersing the fastening pressure of the second fastener 12, avoiding stress concentration, preventing the partition strip 200 from being damaged, and improving the stability of the connecting joint. Similarly, by arranging the second protective gusset 14, the contact area between the first fastener 2 and the fireproof door frame 100 can be increased, which can prevent the fireproof door frame 100 from being damaged.
[0045] Exemplarily, the first protective gusset 13 and the second protective gusset 14 each comprise a steel gusset.
[0046] Optionally, the first protective pad 13 and the second fastener 12 are embedded in the accommodating groove of the partition strip 200, so that the first protective pad 13 and the second fastener 12 are flush with the side surface of the partition strip 200. By embedding the first protective pad 13 and the second fastener 12 in the accommodating groove of the partition strip 200, the installation gap between the partition strip 200 and the adjacent partition strip 200 can be avoided, and the construction difficulty can be prevented from being increased.
[0047] In some embodiments, the connecting assembly 1 comprises a connecting sleeve and a second plug-in piece. The connecting sleeve is embedded in the partition strip 200, and the fixed end 111 of the second plug-in piece is threaded into the connecting sleeve and the plug-in end 112 of the second plug-in piece is configured to penetrate the connecting hole 1001 of the fire door frame 100.
[0048] Exemplarily, the second plug-in piece comprises a plug-in screw.
[0049] Embodiment two
[0050] The embodiment provides a fixing method of a fire door frame, which adopts the fire door frame fixing device in the embodiment one. The fixing method of the fire door frame comprises the following steps:
[0051] A plurality of connecting assemblies 1 are penetrated in the partition strip 200 on both sides of the fire door opening 300 along the width direction of the fire door, and the plurality of connecting assemblies 1 on any side of the partition strip 200 are vertically spaced, the fixed end 111 of the connecting assembly 1 is connected with the partition strip 200, and the plug-in end 112 of the connecting assembly 1 extends out of the partition strip 200 and extends into the fire door opening 300;
[0052] The fire door frame 100 is placed in the fire door opening 300, and the plug-in end 112 is penetrated into the connecting hole 1001 of the fire door frame 100;
[0053] The first fastener 2 is sleeved on the plug-in end 112, and the plug-in end 112 is threadedly connected with the plug-in end 112 by using the installation tool, so that the fire door frame 100 is connected with the connecting assembly 1.
[0054] By penetrating a plurality of connecting assemblies 1 on the partition strip 200 and cooperating with a plurality of first fasteners 2, the fire door frame 100 and the partition strip 200 are connected, which can ensure the firmness of the installation of the fire door frame 100, thereby effectively improving the stability of the installation of the fire door and ensuring the normal use of the fire door.
[0055] Obviously, the above embodiments of the present invention are merely examples for clearly illustrating the present invention, and are not intended to limit the implementation of the present invention. Those skilled in the art will be able to make various obvious changes, readjustments, and substitutions without departing from the scope of protection of the present invention. It is neither necessary nor possible to exhaustively describe all embodiments here. Any modifications, equivalent substitutions, and improvements made within the spirit and principles of the present invention should be included within the scope of protection of the claims of the present invention.
Claims
1. A fire door frame fixing device for fixing a fire door frame (100) to the partition strips (200) on both sides of a fire door opening (300), characterized in that, The utility model relates to a fireproof door frame connecting assembly, including: Connecting assembly (1), the fireproof door opening (300) both sides of the partition strip (200) are all along vertical interval and are provided with a plurality of connecting assembly (1), connecting assembly (1) is along the fireproof door width direction and is arranged in the partition strip (200), and each connecting assembly (1) includes fixed end (111) and plug-in end (112), the fixed end (111) is connected with the partition strip (200), the plug-in end (112) is stretched out the partition strip (200) and is stretched into the fireproof door opening (300), and the plug-in end (112) is configured to be arranged in the connecting hole (1001) of the fireproof door frame (100); First fastener (2) is provided with a plurality of, a plurality of first fastener (2) and a plurality of connecting assembly (1) plug-in end (112) one to one, and the first fastener (2) is connected with the plug-in end (112) threadedly, so that the fireproof door frame (100) is connected with connecting assembly (1).
2. The fire door jamb fixture of claim 1, wherein, The connecting assembly (1) includes a first plug-in piece (11) and a second fastener (12), the first plug-in piece (11) is provided with the fixed end (111) and the plug-in end (112), the first plug-in piece (11) penetrates the partition strip (200), and the second fastener (12) is arranged on the fixed end (111) of the first plug-in piece (11) and is connected with the fixed end (111) threadedly.
3. A fire door frame fixing device according to claim 2, characterised in that, The first plug-in piece (11) penetrates the partition strip (200) along the thickness direction of the partition strip (200).
4. The fire door jamb fixture of claim 2, wherein, The connecting assembly (1) further includes a first protective pad (13) and a second protective pad (14), the first protective pad (13) is arranged on the fixed end (111) of the first plug-in piece (11) and is clamped between the second fastener (12) and the partition strip (200), the second protective pad (14) is arranged on the plug-in end (112) of the first plug-in piece (11), and the second protective pad (14) is located in the inner cavity of the fireproof door frame (100), and the second protective pad (14) is clamped between the first fastener (2) and the inner wall of the fireproof door frame (100).
5. A fire door frame fixing device according to claim 4, wherein The first protective pad (13) and the second fastener (12) are embedded in the accommodating groove of the partition strip (200), so that the first protective pad (13) and the second fastener (12) are flush with the side surface of the partition strip (200).
6. The fire door jamb fixture of claim 4, wherein, The first plug-in piece (11) includes a plug-in screw, and the first fastener (2) and the second fastener (12) both include a fastening nut.
7. The fire door jamb fixture of claim 1, wherein, The connecting assembly (1) comprises a connecting sleeve and a second plug-in piece, the connecting sleeve is embedded in the partition strip (200), the fixed end (111) of the second plug-in piece is threaded in the partition strip (200) and is screwed in the connecting sleeve, and the plug-in end (112) of the second plug-in piece is configured to penetrate the connecting hole (1001) of the fire door frame (100).
8. A method of securing a fire door frame, characterised in that, The fixing method of the fire door frame comprises the following steps: A plurality of connecting assemblies (1) are threaded on the partition strips (200) on both sides of the fire door opening (300) along the width direction of the fire door, the connecting assemblies (1) on the partition strips (200) on either side are vertically spaced, the fixed end (111) of the connecting assembly (1) is connected with the partition strip (200), and the plug-in end (112) of the connecting assembly (1) extends out of the partition strip (200) and into the fire door opening (300); The fire door frame (100) is placed in the fire door opening (300), and the plug-in end (112) is threaded in the connecting hole (1001) of the fire door frame (100); The first fastener (2) is sleeved on the plug-in end (112), and the plug-in end (112) is threadedly connected with the plug-in end (112) by using an installation tool, so that the fire door frame (100) is connected with the connecting assembly (1).