Multifunctional escape fireproof door

By designing hinge connections, handle components and maintenance components on the fire door, the problem of difficulty in opening the fire door after a fire is solved, and the convenience of maintenance is improved, achieving a safer and more reliable escape and maintenance effect.

CN222513456UActive Publication Date: 2025-02-21XIAN SITENG ENVIRONMENTAL TECH CO LTD
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Patent Information

Application Number
CN202421214430.9
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-05-30
Publication Date
2025-02-21
Estimated Expiration
2034-05-30

AI Technical Summary

Technical Problem

In the case of fire, the door body and the door frame are closely connected due to thermal expansion and contraction, making it difficult to open, increasing the risk of injury to personnel and lacking effective maintenance auxiliary functions.

Method used

A multi-functional escape fire door is designed, using hinges to connect the door frame and the protective door body, and a handle assembly and maintenance assembly are installed on one side of the protective door body. The handle assembly is magnetically connected and chute slider structure for easy grip and pulling; the maintenance assembly is structured through rectangular grooves, rotating plates and threaded rods, making it easier for workers to step on and perform maintenance.

Benefits of technology

The fire door is designed with the handle assembly to facilitate opening with force, and can be easily opened even when the heat expansion and contraction after the fire, reducing the risk of injury. The design of the maintenance components makes the regular maintenance of the door closer more convenient, and improves the reliability and service life of the equipment.

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Abstract

The utility model discloses a multifunctional escape fireproof door, relates to the field of fireproof doors, and solves the problems that the surface of an existing fireproof door is not provided with any leveraging handle, and the fireproof door expands with heat and contracts with cold once a fire breaks out, so that a door body and a door frame are very tight, and the existing fireproof door is very difficult to open; the protective door comprises a door frame and a protective door body, the door frame and the protective door body are connected through a hinge, a handle assembly is fixedly installed on one side of the protective door body, and a maintenance assembly is arranged on one side of the protective door body; the handle assembly comprises a first handle and a sliding groove, and the first handle is arranged on one side of the protective door body. According to the fireproof door, force can be conveniently leveraged, two hands can participate in opening the fireproof door body, the fireproof door body can be conveniently opened even if the fireproof door body expands with heat and contracts with cold in a fire, opening is easy and convenient, the situation that people are injured due to inconvenient opening is avoided, and the using effect is better.
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Description

Technical Field

[0001] The utility model relates to the technical field of fire doors, in particular to a multifunctional escape fire door. Background Art

[0002] Fire doors refer to doors that can meet the requirements of fire resistance stability, integrity and thermal insulation within a certain period of time. They are installed in fire compartments, evacuation stairwells, vertical shafts and other places. They are fire partitions with a certain fire resistance. Normally open fire doors are kept open at ordinary times to facilitate the passage of personnel. They can be used for fire evacuation in the event of a fire; normally closed fire doors must always be kept closed to effectively block the invasion of thick smoke and flames after a fire occurs.

[0003] Patent announcement number "CN219081412U" discloses "a multifunctional escape fire door, including a fire door, two cameras are symmetrically arranged on the back of the fire door, a toolbox and a display screen are arranged on the front of the fire door, one end of the display screen is fixedly connected to the side wall of the fire door, the toolbox is arranged on the left side of the display screen, a box door is arranged on the lower side of the toolbox, and three escape auxiliary doors are evenly arranged on the lower side of the display screen. Through the above structure, when a fire occurs and you need to escape, you can directly loosen the bolts of the escape auxiliary door and pull up the escape auxiliary door. The operation is simple and convenient for people to escape. The camera can shoot the fire outside the protective door, the second placement box slot and the toolbox can place escape tools, the second placement box slot and the lower end of the toolbox are provided with a first placement box slot, a disinfection lamp is arranged inside the first placement box slot, and some masks, cloths and other sanitary products can be placed inside the first placement box slot."

[0004] In response to the above-mentioned related problems, there are no handles on the surface of existing fire doors for leverage. Once a fire occurs, the fire doors will expand and contract due to heat and cold, making the door body and the door frame very tight. Therefore, the existing fire doors are difficult to open. If they are not opened in time, it is easy to cause personal injury. In addition, there is no good auxiliary maintenance function, and it is not easy to repair the door closer when it is aged.

[0005] Therefore, the utility model provides a multifunctional escape fire door to solve the above problems. Utility Model Content

[0006] 1. Technical issues to be resolved

[0007] In view of the problems existing in the above-mentioned prior art, the present invention provides a multifunctional escape fire door, which solves the problem that the above-mentioned existing fire doors do not have any handles on the surface for leverage. Once a fire occurs, the fire door will expand and contract due to heat and cold, making the door body and the door frame very tight. Therefore, the existing fire door is difficult to open, and if it is not opened in time, it is easy to cause personal injury.

[0008] (II) Technical solution

[0009] To achieve the above objectives, the utility model is implemented through the following technical solutions: a multifunctional escape fire door, comprising a door frame and a protective door body, the door frame and the protective door body are connected by a hinge, a handle assembly is fixedly installed on one side of the protective door body, and a maintenance assembly is provided on one side of the protective door body; the handle assembly comprises a handle 1 and a slide groove, the handle 1 is provided on one side of the protective door body, the slide groove is opened on the top of the handle 1, a slider is slidably connected to the inner side wall of the slide groove, a U-shaped frame is fixedly installed on one side of the slider, a magnet 1 is fixedly installed on one side of the handle 1, a magnet 2 is provided on the inner side wall of the U-shaped frame, and the magnet 2 is magnetically connected to the magnet 1.

[0010] As a preferred solution of the multifunctional escape fire door described in the utility model, the maintenance assembly includes a rectangular groove and a rotating plate, the rectangular groove is opened on one side of the protective door body, the rotating plate is hinged to the inner wall of the rectangular groove, a placement groove is opened at the bottom of the rotating plate, and a rectangular rod is hinged to the inner wall of the placement groove.

[0011] By adopting the technical solution, it is easy to step on and facilitate maintenance work.

[0012] As a preferred solution of the multifunctional escape fire door described in the utility model, the inspection assembly also includes a connecting plate and a fixed plate, the connecting plate is fixedly installed on the bottom of the rotating plate, a fixed plate is fixedly installed on one side of the protective door body, the top of the fixed plate is threadedly connected to a threaded rod, and the threaded rod and the connecting plate are connected by threads.

[0013] By adopting the above technical solution, the door closer can be easily inspected and repaired.

[0014] As a preferred solution of the multifunctional escape fire door described in the utility model, the inspection assembly further includes a knob, and the knob is fixedly connected to the top end of the threaded rod.

[0015] By adopting the above technical solution, the threaded rod can be conveniently rotated by using the knob, making the rotation of the threaded rod easier.

[0016] As a preferred solution of the multifunctional escape fire door described in the utility model, a fire door closer is provided on one side of the door frame, and the fire door closer is connected to the protective door body.

[0017] By adopting the above technical solution, it is easy to close the protective door body, making it more convenient to close.

[0018] As a preferred solution of the multifunctional escape fire door described in the utility model, a fireproof glass is arranged on one side of the protective door body, and the fireproof glass is connected to the protective door body in an embedded manner.

[0019] By adopting the above technical solution, it is convenient to observe the fire situation so as to judge whether it is possible to escape.

[0020] As a preferred solution of the multifunctional escape fire door described in the utility model, the handle assembly further includes a second handle, and the second handle is fixedly connected to the U-shaped frame.

[0021] By adopting the technical solution, the U-shaped frame can be conveniently pulled by using the handle.

[0022] (III) Beneficial effects

[0023] The utility model provides a multifunctional escape fire door. It has the following beneficial effects:

[0024] 1. The multifunctional fire escape door can be easily leveraged through the handle assembly, so that both hands can be involved in opening the fire door body. Even if the fire occurs and the fire door expands and contracts, it is easy to open. It is simple and convenient to open, and will not cause injuries to people due to the inconvenience of opening, so the use effect will be better.

[0025] 2. The multifunctional escape fire door can be opened through the maintenance component, which is convenient for workers to step on, making it easier for workers to perform regular maintenance on the door closer. The height is suitable, which will not increase the pressure on the workers' arms and shoulders, and will not cause arm pain due to maintenance workers, so the effect of use will be better and the effect of use is effectively guaranteed. BRIEF DESCRIPTION OF THE DRAWINGS

[0026] In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings required for use in the description of the embodiments will be briefly introduced below. 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 work.

[0027] Figure 1 It is a schematic diagram of the overall structure of the utility model.

[0028] Figure 2 This utility model Figure 1 A magnified view of the structure in the middle.

[0029] Figure 3 It is a bottom view of the overall structure of the utility model.

[0030] Figure 4 This utility model Figure 3 A magnified view of the structure at B in the middle.

[0031] In the figure, 1. door frame; 2. protective door body; 3. handle assembly; 31. handle 1; 32. slide groove; 33. slider; 34. U-shaped frame; 35. magnet 1; 36. magnet 2; 37. handle 2; 4. maintenance assembly; 41. rectangular groove; 42. rotating plate; 43. placement groove; 44. rectangular rod; 45. connecting plate; 46. fixing plate; 47. threaded rod; 48. knob; 5. fireproof glass; 6. fireproof door closer. DETAILED DESCRIPTION

[0032] The technical solutions in the embodiments of the present invention will be described clearly and completely below in conjunction with the accompanying drawings in the embodiments of the present invention.

[0033] Example 1

[0034] Reference Figure 1 and Figure 2 , is the first embodiment of the utility model, which provides a multifunctional escape fire door, including a door frame 1 and a protective door body 2, the door frame 1 and the protective door body 2 are connected by a hinge, a handle assembly 3 is fixedly installed on one side of the protective door body 2, and a maintenance assembly 4 is arranged on one side of the protective door body 2; the handle assembly 3 includes a handle 1 31 and a slide groove 32, the handle 1 31 is arranged on one side of the protective door body 2, the slide groove 32 is opened on the top of the handle 1 31, and a slider 33 is slidably connected to the inner side wall of the slide groove 32, a U-shaped frame 34 is fixedly installed on one side of the slider 33, a magnet 1 35 is fixedly installed on one side of the handle 1 31, a magnet 2 36 is arranged on the inner side wall of the U-shaped frame 34, and the magnet 2 36 is magnetically connected to the magnet 1 35.

[0035] Specifically, a fireproof glass 5 is provided on one side of the protective door body 2, and the fireproof glass 5 is connected to the protective door body 2 in an embedded manner. The handle assembly 3 also includes a second handle 37, and the second handle 37 is fixedly connected to the U-shaped frame 34.

[0036] Furthermore, first pulling the handle 2 37 can separate the magnet 2 36 from the magnet 1 35, so as to pull the slider 33 to slide inside the slide groove 32, so that the handle 1 31 and the U-shaped frame 34 can be conveniently held by two hands, and it is also more convenient to turn the handle 1 31 and open the door frame 1. Even after the protective door body 2 expands and contracts due to heat, it can be easily opened to protect personnel, and the safety factor is increased accordingly.

[0037] Example 2

[0038] Reference Figure 3 and Figure 4, which is the second embodiment of the utility model, and this embodiment is based on the previous embodiment. The inspection component 4 includes a rectangular groove 41 and a rotating plate 42. The rectangular groove 41 is opened on one side of the protective door body 2, and the rotating plate 42 is hinged to the inner wall of the rectangular groove 41. A placement groove 43 is opened at the bottom of the rotating plate 42, and a rectangular rod 44 is hinged to the inner wall of the placement groove 43.

[0039] Specifically, the inspection component 4 also includes a connecting plate 45 and a fixed plate 46. The connecting plate 45 is fixedly installed at the bottom of the rotating plate 42. A fixed plate 46 is fixedly installed on one side of the protective door body 2. The top of the fixed plate 46 is threadedly connected to a threaded rod 47. The threaded rod 47 and the connecting plate 45 are connected by threads. The inspection component 4 also includes a knob 48, which is fixedly connected to the top of the threaded rod 47. A fireproof door closer 6 is provided on one side of the door frame 1, and the fireproof door closer 6 is connected to the protective door body 2.

[0040] Furthermore, rotating the knob 48 can drive the threaded rod 47 to rotate, so that the threaded rod 47 can be separated from the connecting plate 45, so as to open the rotating plate 42. At the same time, the rectangular rod 44 will automatically open under gravity inside the placement groove 43, and the rectangular rod 44 can also support the ground. Then, the maintenance worker can step on the rotating plate 42 to make it easier to perform maintenance work on the fire door closer 6, so as to ensure that it can be used normally and the effect of use will be better.

[0041] Working principle: First, pull the handle 2 37 to separate the magnet 2 36 from the magnet 1 35, so as to pull the slider 33 to slide inside the slide groove 32, so that the handle 1 31 and the U-shaped frame 34 can be conveniently held by two hands, and it is also more convenient to turn the handle 1 31 and open the door frame 1. Even if the protective door body 2 expands and contracts due to heat, it can be easily opened.

[0042] Then, turning the knob 48 can drive the threaded rod 47 to rotate, so that the threaded rod 47 can be separated from the connecting plate 45, so as to open the rotating plate 42. At the same time, the rectangular rod 44 will automatically open under gravity inside the placement groove 43, and the rectangular rod 44 can also support the ground. Then, the maintenance worker can step on the rotating plate 42 to make it easier to perform maintenance work on the fire door closer 6.

[0043] It should be noted that, in this document, relational terms such as first and second, etc. are merely used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any actual relationship or order between these entities or operations.

Claims

1. A multifunctional escape fire door, comprising a door frame (1) and a protective door body (2), characterized in that: The door frame (1) and the protective door body (2) are connected via a hinge, a handle assembly (3) is fixedly mounted on one side of the protective door body (2), and an inspection assembly (4) is provided on one side of the protective door body (2); The handle assembly (3) comprises a handle 1 (31) and a slide groove (32), wherein the handle 1 (31) is arranged on one side of the protective door body (2), the slide groove (32) is opened at the top of the handle 1 (31), the inner wall of the slide groove (32) is slidably connected with a slider (33), a U-shaped frame (34) is fixedly installed on one side of the slider (33), a magnet 1 (35) is fixedly installed on one side of the handle 1 (31), and a magnet 2 (36) is arranged on the inner wall of the U-shaped frame (34), and the magnet 2 (36) is magnetically connected to the magnet 1 (35).

2. A multifunctional escape fire door according to claim 1, characterized in that: The inspection assembly (4) comprises a rectangular groove (41) and a rotating plate (42); the rectangular groove (41) is provided on one side of the protective door body (2); the rotating plate (42) is hinged on the inner wall of the rectangular groove (41); a placement groove (43) is provided at the bottom of the rotating plate (42); and a rectangular rod (44) is hinged on the inner wall of the placement groove (43).

3. A multifunctional escape fire door according to claim 2, characterized in that: The inspection assembly (4) also includes a connecting plate (45) and a fixed plate (46), wherein the connecting plate (45) is fixedly mounted on the bottom of the rotating plate (42), a fixed plate (46) is fixedly mounted on one side of the protective door body (2), a threaded rod (47) is threadedly connected to the top of the fixed plate (46), and the threaded rod (47) is threadedly connected to the connecting plate (45).

4. A multifunctional escape fire door according to claim 3, characterized in that: The inspection assembly (4) further comprises a knob (48), wherein the knob (48) is fixedly connected to the top end of the threaded rod (47).

5. The multifunctional fire escape door according to claim 1, characterized in that: A fireproof door closer (6) is provided on one side of the door frame (1), and the fireproof door closer (6) is connected to the protective door body (2).

6. A multifunctional escape fire door according to claim 1, characterized in that: A fireproof glass (5) is provided on one side of the protective door body (2), and the fireproof glass (5) is connected to the protective door body (2) in an embedded manner.

7. The multifunctional fire escape door according to claim 1, characterized in that: The handle assembly (3) further comprises a second handle (37), and the second handle (37) is fixedly connected to the U-shaped frame (34).

Citation Information

Patent Citations

  • Multifunctional escape fireproof door

    CN219081412U