Fireproof door mounting structure

By installing a gap-sealing protection device at the top of the fire door mounting frame and using a gap-sealing sleeve made of multiple layers of fire-resistant needle-punched felt, the problem of the bottom gap of the fire door being unable to be sealed is solved, achieving an effective blocking effect against dense smoke and heat, and improving the protective performance of the fire door.

CN223634589UActive Publication Date: 2025-12-05南京艾思迈尔装饰材料有限公司
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Patent Information

Application Number
CN202423217275.9
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-12-26
Publication Date
2025-12-05
Estimated Expiration
2034-12-26

AI Technical Summary

Technical Problem

Traditional fire door installation structures cannot effectively seal the gaps at the bottom of the fire door, allowing dense smoke from a fire to enter the protected area through these gaps, threatening lives and property.

Method used

A gap sealing protection device is installed at the top of the fire door mounting frame, including a horizontal sealing bracket, a metal fixing plate, a fixing block, a lifting sliding sleeve and a vertical guide rod. The gap sealing sleeve is made of multi-layer fireproof needle-punched felt and is fixedly connected by adhesive. It is sealed with an internal thread locking cylinder and a hand-tightening locking bolt.

Benefits of technology

It effectively prevents dense smoke and heat from entering through the gaps at the bottom of the fire door, improves the sealing performance of the fire door, has excellent fire resistance and heat insulation effect, and does not require large-scale modification of the fire door, reducing installation costs and construction difficulty.

✦ Generated by Eureka AI based on patent content.

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Patent Text Reader

Abstract

The utility model discloses a fireproof door installation structure which comprises a fireproof door installation frame and a plurality of hinge installation reserved grooves formed in the inner wall of the left end of the fireproof door installation frame, the hinge installation reserved grooves are formed in the inner wall of the left end of the fireproof door installation frame in a leftward concave mode, and the hinge installation reserved grooves are overall rectangular grooves. A novel gap sealing protection device is additionally arranged at the top of a fireproof door mounting frame, when a fire disaster occurs, a fireproof door can be closed and locked in a fireproof door sealing frame so as to play a role in fire retardance and fire prevention, but in order to normally open and close the fireproof door, a gap exists between the bottom end of the fireproof door and the ground, so that the fireproof door cannot be opened or closed normally. Dense smoke generated by the fire can intrude into a protection area through a gap in the bottom, and the gap sealing protection device can play a role in sealing and protecting the gap between the bottom end of the fireproof door and the ground so as to prevent the dense smoke generated by the fire from intruding into the area protected by the fireproof door through the gap; therefore, the fire protection effect of the fireproof door can be improved.
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Description

TECHNICAL FIELD

[0001] The utility model belongs to the related technical field of fire fighting equipment, specifically relates to a fireproof door mounting structure. BACKGROUND

[0002] With the continuous development of society and the gradual improvement of people's safety consciousness, fire safety problems are more and more widely concerned. In buildings, fire doors as important fireproof partition facilities play a crucial role;

[0003] When a fire occurs, the fire door will be closed and locked inside the fire door sealing frame to play a role in fire prevention. However, since the fire door needs to be designed to be normally opened and closed, there must be a gap between the bottom end of the fire door and the ground. The dense smoke produced by the fire has strong mobility and diffusivity, and these dense smoke will invade the protection area through the gap at the bottom of the fire door, thereby causing serious threats to the life safety and property of personnel;

[0004] At present, the traditional fire door mounting structure has certain deficiencies in the sealing treatment of the gap at the bottom of the fire door, and cannot effectively prevent the invasion of dense smoke. Therefore, it is of great practical significance and urgency to develop a new type of fire door mounting structure, especially a device that can effectively seal and protect the gap at the bottom of the fire door. CONTENT OF THE UTILITY MODEL

[0005] The utility model aims at providing a fire door mounting structure to solve the problem that since the fire door needs to be designed to be normally opened and closed, there must be a gap between the bottom end of the fire door and the ground, and when a fire occurs, the dense smoke produced by the fire has strong mobility and diffusivity, and these dense smoke will invade the protection area through the gap at the bottom of the fire door.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical scheme: a fire door mounting structure, comprising a fire door mounting frame and a plurality of hinge mounting reserved slots arranged on the left end inner wall of the fire door mounting frame, the hinge mounting reserved slots are recessed to the left on the left end inner wall of the fire door mounting frame, and the hinge mounting reserved slots are overall rectangular grooves, a plurality of hinge mounting reserved screw holes are equidistantly arranged on the left end inner wall of the hinge mounting reserved slots, and the plurality of hinge mounting reserved screw holes are located inside the left end of the fire door mounting frame, and the top of the fire door mounting frame is provided with a gap sealing and protecting device.

[0007] Preferably, the gap sealing protection device comprises a horizontal sealing support, a metal fixing plate, a fixing block, a lifting sliding sleeve and a vertical guide rod, the metal fixing plate is welded at the top of the right end of the fireproof door mounting frame, the metal fixing plate is flush with the outer wall of the front end of the fireproof door mounting frame, the front end of the metal fixing plate is welded with the fixing block, the bottom end of the fixing block is provided with the vertical guide rod, the vertical guide rod is externally sleeved with the lifting sliding sleeve, and the lifting sliding sleeve is welded with the horizontal sealing support at the left end.

[0008] Preferably, the gap sealing protection device further comprises a gap sealing sleeve, the gap sealing sleeve is fixedly sleeved outside the horizontal sealing support, the gap sealing sleeve is formed by mutually stacking a plurality of layers of fireproof needle punching felt, and after the mutually stacked plurality of layers of fireproof needle punching felt is sleeved outside the horizontal sealing support, the horizontal sealing support is fixedly connected through an adhesive.

[0009] Preferably, the outer wall of the rear end of the gap sealing sleeve is closely attached to the outer wall of the front end of the fireproof door mounting frame, the inside of the gap sealing sleeve is densely provided with micropores, and the outer walls of the left and right ends of the gap sealing sleeve are respectively located on the left side of the inner wall of the left end and the right side of the inner wall of the right end of the fireproof door mounting frame.

[0010] Preferably, the gap sealing protection device further comprises an internally threaded locking cylinder and a hand-screwed locking bolt, the lifting sliding sleeve is internally provided with a reserved hole, the internally threaded locking cylinder is inserted and fixed in the reserved hole, the hand-screwed locking bolt is threadedly inserted in the internally threaded locking cylinder, and after the hand-screwed locking bolt is screwed, the bolt rod left end can be extruded and attached to the outer wall of the right end of the vertical guide rod.

[0011] Preferably, the lifting sliding sleeve can slide up and down outside the vertical guide rod, the lifting sliding sleeve cannot rotate outside the vertical guide rod, and the bottom end of the vertical guide rod is flush with the bottom end of the fireproof door mounting frame.

[0012] Preferably, the fireproof door mounting frame is in the form of a U-shaped frame structure with the opening direction downward, and mounting frame sleeve grooves are connected to the inside of the left and right ends and the top end of the fireproof door mounting frame.

[0013] Preferably, the U-shaped inner wall of the fireproof door mounting frame is provided with a fireproof door sealing inner frame, the outer wall of the front end of the fireproof door sealing inner frame is located at the rear side of the outer wall of the front end of the fireproof door mounting frame, and when the fireproof door is closed in the fireproof door mounting frame, the fireproof door sealing inner frame can form a sealing effect with the closed fireproof door through a sealing gasket.

[0014] Compared with the prior art, the fireproof door mounting structure has the following beneficial effects:

[0015] The utility model discloses a novel gap sealing protection device is added to the top of fireproof door mounting frame, when encountering fire, the fireproof door will close and lock in the inside of fireproof door sealing frame, to play the role of fire prevention, but the fireproof door is in order to be able to normally open and close, so there is a gap between the bottom end of fireproof door and ground, and the thick smoke of fire will invade the protection area through the gap of bottom, and the novel gap sealing protection device can play the sealing protection effect to the gap between the bottom end of fireproof door and ground, prevents the thick smoke of fire from invading the area protected by the fireproof door through the gap, and the gap sealing protection device in sealing state is mainly sealed in the gap between the bottom end of fireproof door and ground outside through the gap sealing sleeve outside the horizontal support, and the gap sealing sleeve is made of multilayer fireproof needled felt, has excellent fireproof performance, and the multilayer structure not only increases the fireproof effect, but also can better block the transmission of thick smoke and heat. The micropore densely distributed in the fireproof needled felt not only can play a certain heat insulation effect when preventing thick smoke from passing, but also further improve the protection performance of fireproof door, and the gap sealing protection device is closely matched with the fireproof door mounting frame, can effectively integrate into the existing fireproof door mounting structure, need not to carry out large-scale reform to fireproof door, improves the sealing performance of fireproof door, and will not increase too many installation costs and construction difficulty, has higher practical value and popularization prospect. BRIEF DESCRIPTION OF DRAWINGS

[0016] Figure 1 It is a side view three-dimensional structure schematic diagram of a fireproof door mounting structure of the utility model.

[0017] Figure 2 It is a front view plane structure schematic diagram of a fireproof door mounting structure of the utility model.

[0018] Figure 3 It is a whole three-dimensional structure schematic diagram of a gap sealing protection device of the utility model.

[0019] Figure 4 It is a partial three-dimensional structure schematic diagram of a gap sealing protection device of the utility model.

[0020] In the drawing: 1, fireproof door mounting frame;2, fireproof door sealing inner frame;3, hinge installation reserved slot;4, hinge installation reserved screw hole;5, mounting frame sleeve groove;6, gap sealing protection device;7, horizontal sealing support;8, gap sealing sleeve;9, metal fixed plate;10, fixed block;11, lifting sliding sleeve;12, vertical guide rod;13, internal thread locking cylinder;14, hand screw type locking bolt. DETAILED DESCRIPTION

[0021] With reference to the drawings of the embodiments of the present application, the technical solutions in the embodiments of the present application will be clearly and completely described, obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments of the present application, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of the present application.

[0022] The utility model provides a fireproof door mounting structure as Figures 1-4 The utility model provides a fireproof door mounting structure as shown in a kind of fireproof door mounting frame 1 and the multiple hinge installation reserved slot 3 of setting in the left end inner wall of fireproof door mounting frame 1, hinge installation reserved slot 3 is recessed to set in the left end inner wall of fireproof door mounting frame 1, and hinge installation reserved slot 3 is overall rectangular recess, multiple hinge installation reserved screw hole 4 are equidistantly provided in the left end inner wall of hinge installation reserved slot 3, multiple hinge installation reserved screw hole 4 are all located in the left end interior of fireproof door mounting frame 1, hinge installation reserved slot 3 provides specific position space for the installation of hinge, and multiple hinge installation reserved screw hole 4 equidistantly set, so that hinge can be firmly installed on fireproof door mounting frame 1 by bolt etc. fastener, such design ensures that hinge can withstand greater force during the opening and closing process of fireproof door, guarantees the normal use of fireproof door, and fireproof door mounting frame 1 is overall U-shaped frame structure with the opening direction downwards, this design can provide stable installation foundation for fireproof door, and the setting of installation frame sleeve groove 5 makes installation process more convenient and accurate, can ensure the close connection of fireproof door mounting frame 1 and surrounding structure, and installation frame sleeve groove 5 is connected to the left and right ends and top end interior of fireproof door mounting frame 1, fireproof door sealing inner frame 2 is provided on the U-shaped inner wall of fireproof door mounting frame 1, and the front end outer wall of fireproof door sealing inner frame 2 is located at the rear side of the front end outer wall of fireproof door mounting frame 1, after fireproof door is closed in the interior of fireproof door mounting frame 1, fireproof door sealing inner frame 2 can form sealing effect with closed fireproof door through sealing gasket, when fireproof door is closed in the interior of fireproof door mounting frame 1, fireproof door sealing inner frame 2 is in close contact with closed fireproof door through sealing gasket, and forms sealing effect, and this sealing design can effectively prevent fire and smoke from spreading in the gap between fireproof door and installation frame, and the material of sealing gasket generally has good high-temperature resistance, flame resistance and sealing performance, can maintain sealing state when fire occurs, and improve the protection effect of fireproof door.

[0023] As shown in Figure 1 , Figure 3 and Figure 4As shown, the fireproof door mounting frame 1 top is provided with a gap sealing protection device 6, which includes a horizontal sealing support 7, a metal fixed plate 9, a fixed block 10, a lifting sliding sleeve 11 and a vertical guide rod 12. The metal fixed plate 9 is welded at the right end top of the fireproof door mounting frame 1, flush with the front end outer wall of the fireproof door mounting frame 1. The front end of the metal fixed plate 9 is welded with the fixed block 10. The fixed block 10 is provided with a vertical guide rod 12 at the bottom center. The vertical guide rod 12 is externally sleeved with the lifting sliding sleeve 11. The lifting sliding sleeve 11 is welded with the horizontal sealing support 7 at the left end. The gap sealing protection device 6 further includes a gap sealing sleeve 8, which is externally sleeved and fixed on the horizontal sealing support 7. The gap sealing sleeve 8 is formed by stacking multiple layers of fireproof needle felt. After being sleeved on the outside of the horizontal sealing support 7, the multiple layers of fireproof needle felt are fixedly connected with the horizontal sealing support 7 through an adhesive. The multiple layers of fireproof needle felt have good fireproof performance and sealing effect. The internal dense micropores can block the transmission of smoke and heat to a certain extent, without affecting the normal use of the fireproof door. The rear end outer wall of the gap sealing sleeve 8 is tightly attached to the front end outer wall of the fireproof door mounting frame 1. The left and right end outer walls are respectively located on the left side of the left end inner wall and the right side of the right end inner wall of the fireproof door mounting frame 1, ensuring comprehensive coverage and sealing of the gap. The rear end outer wall of the gap sealing sleeve 8 is tightly attached to the front end outer wall of the fireproof door mounting frame 1. The gap sealing sleeve 8 is internally densely provided with micropores. The left and right end outer walls of the gap sealing sleeve 8 are respectively located on the left side of the left end inner wall and the right side of the right end inner wall of the fireproof door mounting frame 1.

[0024] As Figure 1 , Figure 3 and Figure 4As shown, the gap sealing protection device 6 further comprises an internally threaded locking cylinder 13 and a hand-tightened locking bolt 14, the right end of the lifting sliding sleeve 11 is internally provided with a reserved hole, the internally threaded locking cylinder 13 is inserted and fixed in the reserved hole, the hand-tightened locking bolt 14 is threadedly inserted in the internally threaded locking cylinder 13, and the left end of the bolt shank of the hand-tightened locking bolt 14 can be extruded and attached to the outer wall of the right end of the vertical guide rod 12 after being tightened, and the internally threaded locking cylinder 13 and the hand-tightened locking bolt 14 constitute a locking device, when the lifting sliding sleeve 11 is adjusted to a suitable position, the hand-tightened locking bolt 14 is tightened to extrude and attach the left end of the bolt shank to the outer wall of the right end of the vertical guide rod 12, thereby realizing the locking of the lifting sliding sleeve 11, and the locking mode is simple and convenient to operate, which can ensure that the lifting sliding sleeve 11 will not slide accidentally during use, thereby ensuring the stability and reliability of the gap sealing protection device 6, the lifting sliding sleeve 11 can slide up and down outside the vertical guide rod 12, the lifting sliding sleeve 11 cannot rotate outside the vertical guide rod 12, the bottom end of the vertical guide rod 12 is flush with the bottom end of the fireproof door mounting frame 1, and the lifting sliding sleeve 11 can slide up and down outside the vertical guide rod 12, and the purpose of this design is flexibility in use, when the fireproof door is normally used, in order not to hinder the opening and closing of the fireproof door, the lifting sliding sleeve 11 can be slid to the highest position and locked by the hand-tightened locking bolt 14, so that the horizontal sealing bracket 7 and the gap sealing sleeve 8 will not hinder the normal operation of the fireproof door, and when a fire occurs and sealing protection is needed, the lifting sliding sleeve 11 can be slid down to a suitable position, so that the gap sealing sleeve 8 can effectively seal the gap between the fireproof door and the ground.

[0025] Finally, it should be noted that: the above only describes preferred embodiments of the present application and is not intended to limit the present application, although the present application has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions described in the foregoing embodiments or make equivalent replacements for some technical features, and any modification, equivalent replacement, improvement, etc. made within the spirit and principles of the present application shall be included in the protection scope of the present application.

Claims

1. A fireproof door mounting structure, comprising a fireproof door mounting frame (1) and a plurality of hinge mounting reserved slots (3) arranged on the inner wall of the left end of the fireproof door mounting frame (1), the hinge mounting reserved slots (3) are recessed to the left on the inner wall of the left end of the fireproof door mounting frame (1), and the hinge mounting reserved slots (3) are overall rectangular recesses, a plurality of hinge mounting reserved screw holes (4) are equidistantly arranged on the inner wall of the left end of the hinge mounting reserved slots (3), and the plurality of hinge mounting reserved screw holes (4) are located inside the left end of the fireproof door mounting frame (1), characterized in that: The fireproof door mounting frame (1) top is provided with gap sealing protection device (6); The gap sealing protection device (6) comprises horizontal sealing support (7), metal fixed plate (9), fixed block (10), lifting sliding sleeve (11) and vertical guide rod (12), the metal fixed plate (9) is welded at the right end top of the fireproof door mounting frame (1), the metal fixed plate (9) is flush with the front end outer wall of the fireproof door mounting frame (1), the metal fixed plate (9) is welded with fixed block (10) at the front end, the fixed block (10) is provided with vertical guide rod (12) at the bottom center, the vertical guide rod (12) is sleeved with lifting sliding sleeve (11) outside, and the lifting sliding sleeve (11) is welded with horizontal sealing support (7) at the left end.

2. A fire door installation arrangement according to claim 1, characterised in that: The gap sealing protection device (6) further comprises gap sealing sleeve (8), which is sleeved and fixed outside the horizontal sealing support (7), the gap sealing sleeve (8) is formed by stacking multiple layers of fireproof needle felt, and after the multiple layers of fireproof needle felt are sleeved outside the horizontal sealing support (7), they are fixedly connected with the horizontal sealing support (7) by adhesive.

3. A fire door installation arrangement according to claim 2, wherein: The rear end outer wall of the gap sealing sleeve (8) is closely attached to the front end outer wall of the fireproof door mounting frame (1), the inside of the gap sealing sleeve (8) is densely covered with micropores, and the left and right end outer walls of the gap sealing sleeve (8) are respectively located on the left side of the left end inner wall and the right side of the right end inner wall of the fireproof door mounting frame (1).

4. A fire door installation arrangement according to claim 3, wherein: The gap sealing protection device (6) further comprises internal thread locking cylinder (13) and hand screw locking bolt (14), the right end of the lifting sliding sleeve (11) is provided with a reserved hole, the internal thread locking cylinder (13) is inserted and fixed in the reserved hole, the hand screw locking bolt (14) is screwed in the internal thread locking cylinder (13), and the bolt shank left end can be extruded and attached to the right end outer wall of the vertical guide rod (12) after the hand screw locking bolt (14) is tightened.

5. A fire door installation arrangement according to claim 4, wherein: The lifting sliding sleeve (11) can slide up and down outside the vertical guide rod (12), the lifting sliding sleeve (11) cannot rotate outside the vertical guide rod (12), and the bottom end of the vertical guide rod (12) is flush with the bottom end of the fireproof door mounting frame (1).

6. A fire door mounting structure according to claim 1, wherein: The fireproof door mounting frame (1) is integrally formed as a U-shaped frame structure with the opening direction downward, and the mounting frame sleeve groove (5) is connected inside the left and right ends and the top end of the fireproof door mounting frame (1).

7. A fire door mounting structure according to claim 1, wherein: The fireproof door mounting frame (1) is provided with a fireproof door sealing inner frame (2) on the U-shaped inner wall, the front end outer wall of the fireproof door sealing inner frame (2) is located on the rear side of the front end outer wall of the fireproof door mounting frame (1), and the fireproof door sealing inner frame (2) can form a sealing effect with the closed fireproof door through the sealing gasket when the fireproof door is closed inside the fireproof door mounting frame (1).