Fireproof door

Abstract

The utility model discloses a fireproof door and relates to the field of safety doors and windows. Comprising a protection frame, a connecting piece and a fireproof door plate are arranged on the protection frame, and the connecting piece is arranged on a side edge structure of the protection frame to be connected with the fireproof door plate; the protection structure is arranged on the protection frame and comprises a smoke isolation structure and an adjusting mechanism, the smoke isolation structure comprises a sliding structure and a smoke isolation assembly connected with the sliding structure in a sliding mode, the sliding structure is arranged in the fireproof door plate, the smoke isolation assembly is arranged in the fireproof door plate to be connected with the adjusting mechanism, and the adjusting mechanism is arranged in the fireproof door plate and can control sliding of the smoke isolation assembly; the escape assembly comprises an observation opening and an escape opening, the observation opening can be checked by people, and the escape opening can be opened so that people can pass through the escape opening to escape. The utility model has the advantages of better fire-resistant and fire-proof effects and better sealing performance, prevents toxic smoke from entering a room, has higher safety coefficient, enables people to enter and exit from the room at any time, improves the rescue efficiency, and reduces casualties and property loss as much as possible.

Description

Technical Field

[0001] The utility model relates to the field of safety doors and windows, in particular to a fireproof door. Background Art

[0002] In modern society, commercial buildings, factories, residential buildings, etc. often have large floor areas and building scales. In the event of a fire, if the fire spreads rapidly, it will cause immeasurable losses. Therefore, it is particularly important to install fire doors in such buildings. When a fire occurs, fire doors can effectively prevent the spread of fire and minimize casualties and property losses.

[0003] Chinese patent CN205876107U discloses a fireproof door, which belongs to the field of fireproof doors, and includes a door frame, a door leaf, and an anti-mistake locking mechanism for limiting the door leaf from rotating around its door axis in the direction of closing the door leaf, wherein the door frame includes two oppositely arranged cross beams and two oppositely arranged longitudinal beams, the cross beams are perpendicular to the longitudinal beams, and adjacent cross beams are fixedly connected to the longitudinal beams; the door leaf is installed in the door frame, and the upper and lower ends of the door leaf are respectively rotatably connected to the two cross beams, the axis of rotation of the door leaf relative to the cross beams is parallel to the longitudinal beams, and the anti-mistake locking mechanism is arranged on the door leaf.

[0004] In the prior art, although fire doors can be used to prevent fires, when a fire occurs and the door leaves are closed, if there is a gap between the door leaves and the door frames, the thick smoke generated by the fire will enter the safe space blocked by the fire doors through the gap, thereby causing harm to the trapped people. In addition, the structure of the fire doors and door leaves may change under the long-term exposure, making it impossible to open the door leaves, making it difficult for people to be rescued from the safe space by rescue workers, thereby wasting precious rescue time and increasing the difficulty of rescue. Utility Model Content

[0005] In view of the deficiencies in the prior art, the purpose of the present invention is to provide a fireproof door. The present invention has good fire resistance and fire prevention effects, good sealing to prevent toxic smoke from entering the room, a higher safety factor, and a protective frame and an escape opening to provide double protection, which can ensure that personnel can enter and exit the room to escape at any time, and is also convenient for rescue personnel to carry out rescue, thereby improving rescue efficiency and minimizing casualties and property losses as much as possible.

[0006] The above technical purpose of the utility model is achieved through the following technical solutions: The utility model proposes a fire door, comprising:

[0007] A protection frame, wherein a connecting piece and a fireproof door panel are provided on the protection frame, wherein the connecting piece is provided on the side structure of the protection frame to be connected with the fireproof door panel, and the fireproof door panel can be opened or closed by rotating the connecting piece as an axis;

[0008] A protective structure, the protective structure is arranged on the protective frame, and includes a smoke isolation structure and an adjustment mechanism, the smoke isolation structure includes a sliding structure and a slidably connected smoke isolation component, the sliding structure is arranged in the fireproof door panel, the smoke isolation component is arranged in the fireproof door panel to be connected to the adjustment mechanism, and the adjustment mechanism is arranged in the fireproof door panel to control the sliding of the smoke isolation component;

[0009] An escape component is arranged on the fireproof door panel, comprising an observation port and an escape opening, wherein the observation port can be used for observation by personnel, and the escape opening can be opened for personnel to escape.

[0010] In a specific embodiment, the smoke isolation assembly includes a sealing horizontal plate and a sealing side plate, and the sealing horizontal plate and the sealing side plates are in two groups. A groove is provided on the inner structure of the protective frame. The sliding structure includes a sliding member, a first sliding groove and a second sliding groove. The sliding members are in multiple groups. At least part of the structure is arranged on the first sliding groove to be connected to the sealing side plate, and the remaining structure is arranged on the second sliding groove to be connected to the sealing horizontal plate. The adjustment mechanism can drive the smoke isolation assembly to connect with the groove.

[0011] In a specific embodiment, the adjustment mechanism includes a mounting groove, a driving structure and a sealing card plate. The sealing card plate is arranged on the mounting groove and can be opened or closed. The mounting groove is arranged in the fireproof door panel. The number of the driving structures is multiple groups to match the number of the sealing cross plates and the sealing side plates. At least part of the driving structure is arranged in the mounting groove to be connected to the smoke isolation assembly.

[0012] In a specific embodiment, the driving structure includes a pushing member, a driving rod, a rotating structure and a clamping plate. The rotating structure is arranged on the two end structures of the driving rod. The driving rods are multiple groups arranged between the pushing member and the clamping plate. The pushing member is provided with multiple groups of first supporting members to support the rotating structure located on one end structure of the driving rod, and the clamping plate can push and clamp the smoke isolation assembly.

[0013] In a specific embodiment, the clamping plate can clamp the side structure of the sealing cross plate and the sealing side plate, and a second supporting member is provided on the side structure of the clamping plate to support the rotating structure located on the other end structure of the driving rod, and the pushing member can push the clamping plate to fix the smoke isolation assembly and the groove as a whole.

[0014] In a specific embodiment, a card slot is provided in the installation slot, and the pushing member can be pushed by pressing to engage with the card slot. A notch is provided on the side structure of the pushing member, and the notch can allow the driving rod to pass through after the pushing member is coupled with the card slot.

[0015] In a specific embodiment, the escape opening is arranged at the bottom position of the fire door panel, and the escape opening is also provided with a sealing plate and a locking structure. The locking structure is arranged on one side of the sealing plate, and the other side structure of the sealing plate is arranged on the escape opening and can be flipped to cover the escape opening. The locking structure can fix the sealing plate and the escape opening as a whole.

[0016] In a specific embodiment, the structure at the opening of the escape opening is provided with a rotating rod to connect with the sealing plate, and a sealing structure is also provided at the connection between the two for sealing. The locking structure includes a locking piece provided on a side structure of the sealing plate and a connecting groove provided on a side structure of the escape opening, and the locking piece can be connected to the connecting groove by rotating.

[0017] In a specific embodiment, a fireproof heat insulation board and a handle structure are provided on the sealing plate. The fireproof heat insulation board is arranged on the sealing plate located on the exit side of the escape opening. The handle structure can be pushed by personnel to separate the sealing plate from the escape opening.

[0018] In a specific embodiment, the connecting member includes a fixing groove, a rotating shaft and a connecting plate. The fixing groove is arranged on the side structure of the protective frame. The rotating shaft is arranged in the fixing groove to be connected to the structure of one end of the connecting plate. The structure of the other end of the connecting plate can be connected to the fireproof door panel.

[0019] In summary, the utility model has the following beneficial effects:

[0020] 1. Good fire resistance and fire prevention effect;

[0021] 2. Better sealing to prevent toxic smoke from entering the room, with a higher safety factor;

[0022] 3. It is easier for people to escape and be rescued, with high rescue efficiency, minimizing casualties and property losses;

[0023] 4. Simple structure, easy operation, time-saving and labor-saving, and good practicality. BRIEF DESCRIPTION OF THE DRAWINGS

[0024] Figure 1 It is a front view of a fire door;

[0025] Figure 2 It is a cross-sectional schematic diagram of a fire door;

[0026] Figure 3 This is a left view of a fire door;

[0027] Figure 4 The present invention is a schematic diagram showing the connection relationship between the driving structure of a fire door and a smoke isolation component.

[0028] Reference numerals: 1. protection frame; 101. connecting member; 102. fireproof door panel; 103. groove; 104. fixing groove; 105. rotating shaft; 106. connecting plate; 2. protection structure; 201. smoke isolation structure; 202. adjustment mechanism; 203. sliding structure; 204. smoke isolation assembly; 205. sealing horizontal plate; 206. sealing side plate; 207. sliding member; 208. first slide groove; 209. second slide groove; 210. mounting groove; 211. driving structure; 212. 2. Sealing card plate; 213. Pushing member; 214. Driving rod; 215. Rotating structure; 216. Clamping plate; 217. First supporting member; 218. Second supporting member; 219. Card slot; 220. Notch; 3. Escape assembly; 301. Observation port; 302. Escape opening; 303. Sealing plate; 304. Locking structure; 305. Rotating rod; 306. Sealing structure; 307. Locking member; 308. Connecting slot; 309. Fireproof insulation board; 310. Handle structure. DETAILED DESCRIPTION

[0029] The utility model is further described in detail below in conjunction with the accompanying drawings.

[0030] In order to more clearly understand the above-mentioned purpose, features and advantages of the utility model, the utility model is further described in detail below in conjunction with the accompanying drawings and specific implementation methods. It should be noted that the embodiments of the present application and the features in the embodiments can be combined with each other without conflict.

[0031] In the following description, many specific details are set forth to facilitate a full understanding of the present invention. However, the present invention may also be implemented in other ways different from those described herein. Therefore, the protection scope of the present invention is not limited to the specific embodiments disclosed below.

[0032] Refer to the following Figures 1 to 4 To describe some embodiments of the present invention.

[0033] like Figures 1 to 4 As shown, the first embodiment of the utility model provides a fire door, comprising:

[0034] A protection frame 1, wherein a connecting piece 101 and a fireproof door panel 102 are provided on the protection frame 1, wherein the connecting piece 101 is provided on the side structure of the protection frame 1 to be connected to the fireproof door panel 102, and the fireproof door panel 102 can be opened or closed by rotating the connecting piece 101 as an axis;

[0035] A protective structure 2, the protective structure 2 is arranged on the protective frame 1, and includes a smoke isolation structure 201 and an adjustment mechanism 202, the smoke isolation structure 201 includes a sliding structure 203 and a slidably connected smoke isolation component 204, the sliding structure 203 is arranged in the fireproof door panel, the smoke isolation component 204 is arranged in the fireproof door panel 102 to be connected with the adjustment mechanism 202, and the adjustment mechanism 202 is arranged in the fireproof door panel 102 to control the sliding of the smoke isolation component 204;

[0036] The escape component 3 is arranged on the fireproof door panel 102, and includes an observation port 301 and an escape opening 302. The observation port 301 can be used for observation by personnel, and the escape opening 302 can be opened for personnel to escape.

[0037] In this embodiment, a protection frame 1, a protection structure 2 and an escape assembly 3 are included. The protection frame 1 is an integrally formed structure or is fixed by four groups of rods through welding or detachable connection. The detachable connection is a threaded connection or a clamping connection. A sealing structure is also provided at the connection of the rods to seal the gap. A clamping groove and a sealing gasket are provided on the inner structure of the protection frame 1. The sealing gasket is at least provided on the inner wall of the clamping groove. The number of connecting members 101 is multiple groups, including a fixed groove, a rotating member and a connecting rod. The fixed groove is provided on the side structure of the protection frame 1 at a certain distance. A support member is provided in the fixed groove to support the rotating member without affecting its rotation. One end of the connecting rod is connected to the rotating member, and the other end structure is provided with a connecting plate connected to the fireproof door panel 102. The smoke-proof structure 201 can seal the gap between the protective frame 1 and the fireproof door panel 102 to prevent toxic smoke from entering the room and causing harm to the human body. The sliding structure 203 is arranged in multiple groups in the fireproof door panel 102, including a first sliding groove, a second sliding groove and a sliding block structure. At least part of the structure of the sliding block structure can be slidably connected to the first sliding groove, and the remaining structure can be slidably connected to the second sliding groove. The smoke-proof component 204 includes a first sealing plate slidably connected to the first sliding groove and a second sealing plate connected to the second sliding groove. The two groups of sealing plates can seal the gaps on the four sides of the protective frame 1 and the fireproof door panel 102. The adjustment mechanism 202 includes a driving rod, a control structure and a pushing structure. The driving rod is arranged in multiple groups between the control structure and the pushing structure. The pushing structure can push the two groups of sealing plates to couple with the clamping groove. The control structure can manually push or pull the driving rod so that the pushing structure controls the two groups of sealing plates. The escape component 3 can be used for escape when the fireproof door panel 102 cannot be opened due to accidental deformation of the protection frame 1, and the safety factor is higher. A vacuum structure is provided at the observation port 301 to play a role of heat insulation. The observation port 301 is convenient for trapped personnel to check and judge the fire situation. The escape opening 302 is arranged at the bottom of the fireproof door panel 102. A support frame is provided on the structure at the opening. The support frame is an integrated structure. The material is selected from materials with high hardness and strength to support the opening. A sealing cover is also provided at the escape opening 302. A fireproof insulation board is provided on the side structure of the sealing cover, and a handle is provided on the inner structure for people to grasp and push. A fixing piece is provided on the sealing cover to fix it to the side structure of the escape opening 302, and then the sealing cover is covered with the escape opening 302 to prevent smoke from entering the room.

[0038] It can be seen that the utility model has good fire resistance and fire prevention effect and good sealing, which can prevent toxic smoke from entering the room and has a higher safety factor. The protective frame 1 and the escape opening 302 provide double protection, which can ensure that people can escape from the room at any time, and it is also convenient for rescue personnel to carry out rescue, improve rescue efficiency, and minimize casualties and property losses.

[0039] The second embodiment of the utility model provides a fire door, and based on any of the above embodiments, as Figure 2 As shown, the smoke isolation component 204 includes a sealing transverse plate 205 and a sealing side plate 206, and the sealing transverse plate 205 and the sealing side plate 206 are in two groups. A groove 103 is provided on the inner structure of the protective frame 1. The sliding structure 203 includes a sliding member 207, a first sliding groove 208 and a second sliding groove 209. The sliding member 207 is in multiple groups, at least part of the structure is arranged on the first sliding groove 208 to connect with the sealing side plate 206, and the rest of the structure is arranged on the second sliding groove 209 to connect with the sealing transverse plate 205. The adjusting mechanism 202 can drive the smoke isolation component 204 to connect with the groove 103.

[0040] In this embodiment, the sealing horizontal plate 205 can seal the top and top structure of the protection frame 1 and the fireproof door panel 102, and the sealing side plate 206 can seal the protection frame 1 and the side structure of the fireproof door panel 102. The size of the groove 103 is adapted to the size of the side structure of the sealing horizontal plate 205 and the sealing side plate 206. A sealing structure is provided on the inner wall of the groove 103 to seal the overall structure after coupling, so as to prevent toxic smoke from entering the room and causing harm to the human body. The number of the first slide groove 208 and the second slide groove 209 is multiple groups. The first slide groove 208 is provided on the two side structures inside the fireproof door panel 102, and the second slide groove 209 is provided on the top and bottom positions inside the fireproof door panel 102. The sliding members 207 on the two groups of slide grooves can slide independently without affecting each other. The sliding member 207 is fixed to the sealing horizontal plate 205 and the sealing side plate 206 by a detachable connection, and the detachable connection is a threaded connection or a clamping connection.

[0041] The third embodiment of the present utility model provides a fireproof door, and based on any of the above embodiments, as Figure 1 to Figure 2 As shown, the adjustment mechanism 202 includes a mounting groove 210, a driving structure 211 and a sealing card plate 212. The sealing card plate 212 is arranged on the mounting groove 210 and can be opened or closed. The mounting groove 210 is arranged in the fireproof door panel 102. The number of the driving structures 211 is multiple groups to match the number of the sealing cross plates 205 and the sealing side plates 206. At least part of the driving structure 211 is arranged in the mounting groove 210 to be connected to the smoke isolation assembly 204.

[0042] In this embodiment, the mounting groove 210 is provided on the fireproof door panel 102, and a heat insulation board is provided on the structure outside the mounting groove 210, and the heat insulation board is provided on the inner wall of the fireproof door panel 102 through a detachable connection to protect the mounting groove 210, and one side structure of the sealing card plate 212 is connected to the side structure of the mounting groove 210, and the two are connected through a rotating member, and the rotating member is a rotating rod or a rotating shaft. The sealing card plate 212 can be rotated by the rotating member as an axis to cover the mounting groove 210 or separate the two, and a sealing gasket is provided on the edge structure of the sealing card plate 212 and the side structure of the mounting groove 210 to improve the sealing of the overall structure after coupling. The driving structure 211 can control the sealing horizontal plate 205 and the sealing side plate 206 to improve the sealing of the structure at the connection between the protection frame 1 and the fireproof door panel 102.

[0043] The fourth embodiment of the present utility model provides a fire door, and based on any of the above embodiments, as Figure 4 As shown, the driving structure 211 includes a pushing member 213, a driving rod 214, a rotating structure 215 and a clamping plate 216. The rotating structure 215 is arranged on the two end structures of the driving rod 214. The driving rods 214 are multiple groups arranged between the pushing member 213 and the clamping plate 216. The pushing member 213 is provided with multiple groups of first supporting members 217 to support the rotating structure 215 located on one end structure of the driving rod 214. The clamping plate 216 can push and clamp the smoke isolation component 204.

[0044] In this embodiment, the pusher 213 can be pushed by a person, and the number of driving rods 214 is multiple groups. Multiple groups of driving rods 214 can improve the driving effect of the abutting plate 216. Through holes are provided at both ends of the driving rod 214, and the through holes can be used for the rotation structure 215 to pass through. The rotation structure 215 can be a rotation rod. The pusher 213 pushes the driving rod 214 by pressing, so that the driving rod 214 pushes the abutting plate 216, and the abutting plate 216 can push the smoke isolation component 204 toward the groove 103. The first support member 217 is provided in the pusher 213. The first support member 217 is a clamping groove. The two side structures in the clamping groove are provided with circular holes. The circular holes can be used for the structures at both ends of the rotation structure 215 to form a coupling. A friction pair is also provided between the circular hole and the rotation structure 215 to assist the rotation of the rotation structure 215.

[0045] The fifth embodiment of the present utility model provides a fireproof door, and based on any of the above embodiments, as Figure 4As shown, the clamping plate 216 can clamp the side structures of the sealing cross plate 205 and the sealing side plate 206, and a second support member 218 is provided on the side structure of the clamping plate 216 to support the rotating structure 215 located on the other end structure of the driving rod 214, and the pushing member 213 can push the clamping plate 216 to fix the smoke isolation assembly 204 and the groove 103 as a whole.

[0046] In this embodiment, the clamping plate 216 is a U-shaped structure, and the two groups of side structures can clamp the side structures of the sealing horizontal plate 205 and the sealing side plate 206. The horizontal structure of the clamping plate 216 is provided with a connecting piece that can be connected with the two groups of plate bodies. The second support member 218 is arranged on the side structure of the clamping plate 216 by welding or a detachable connection. The detachable connection is a threaded connection or a clamping connection. The second support member 218 is a groove-shaped structure. A support rod is provided in the groove body to support the structures on both sides of the rotating structure 215 at one end of the driving rod 214 without affecting its rotation. The pushing member 213 can couple the smoke isolation assembly 204 with the groove 103 by pushing, and then seal the gap between the protective frame 1 and the fireproof door panel 102, thereby preventing toxic smoke from entering the room and causing harm to personnel.

[0047] The sixth embodiment of the present utility model provides a fire door, and based on any of the above embodiments, as Figure 2 As shown, a card slot 219 is provided in the installation slot 210, and the pushing member 213 can be pushed by pressing to engage with the card slot 219. A notch 220 is provided on the side structure of the pushing member 213, and the notch 220 can allow the driving rod 214 to pass through after the pushing member 213 is coupled with the card slot 219.

[0048] In this embodiment, the size of the slot 219 is adapted to the size of the pushing member 213. The pushing member 213 can be pushed and pressed to make part of itself engage with the slot 219. A plurality of groups of engaging members are provided on the side structure of the pushing member 213 to connect with the slot 219. The side structure of the slot 219 is provided with a pressing member. At least part of the structure of the pressing member is arranged in the slot 219, and the rest of the structure is arranged on the outside thereof for people to push. The structure of the pressing member arranged in the slot 219 can be pressed to push the engaging member to separate it from the side structure of the slot 219, thereby separating the pushing member 213 from the slot 219. The number of notches 220 is adapted to the number of drive rods 214.

[0049] The seventh embodiment of the present utility model provides a fire door, and based on any of the above embodiments, as Figure 1As shown, the escape opening 302 is arranged at the bottom position of the fire door panel 102, and the escape opening 302 is also provided with a sealing plate 303 and a locking structure 304. The locking structure 304 is arranged on one side of the sealing plate 303, and the other side structure of the sealing plate 303 is arranged on the escape opening 302 and can be turned over to cover the escape opening 302. The locking structure 304 can fix the sealing plate 303 and the escape opening 302 as a whole.

[0050] In this embodiment, a protective support frame is also provided on the structure at the opening of the escape opening 302. The protective support frame has a high hardness and can support the structure at the opening. The protective support frame is an integrated structure or is composed of four groups of support rods. The support rods are made of a material with a high hardness. Reinforcements are also provided between adjacent support rods to further improve the strength of the overall structure and facilitate the passage of personnel. A protective soft strip is provided on the edge structure of the protective support frame to facilitate the passage of personnel through the opening. The side structure of the sealing plate 303 is provided with a fireproof baffle, which is made of a fireproof and heat-insulating material. The number of locking structures 304 is multiple groups, at least part of which is provided on the sealing plate 303, and the rest of the structure is provided on the edge structure of the escape opening 302 so that the sealing plate 303 can cover the escape opening 302.

[0051] The eighth embodiment of the present utility model provides a fire door, and based on any of the above embodiments, as Figure 1 As shown, the structure at the opening of the escape opening 302 is provided with a rotating rod 305 to connect with the sealing plate 303, and a sealing structure 306 is also provided at the connection between the two for sealing. The locking structure 304 includes a locking member 307 arranged on a side structure of the sealing plate 303 and a connecting groove 308 arranged on the side structure of the escape opening 302, and the locking member 307 can be connected to the connecting groove 308 by rotating.

[0052] In this embodiment, a channel is provided on one side of the sealing plate 303 for the rotating rod 305 to pass through, and the sealing plate 303 can rotate around the rotating rod 305 to a certain extent. The sealing structure 306 is a sealing gasket made of fireproof material and is provided on the side edge structure of the sealing plate 303 to couple with the escape opening 302. The sealing structure 306 can improve the sealing of the overall structure, prevent toxic smoke from entering and causing harm to the human body, and improve safety. The locking member 307 is provided with an annular structure, which can be driven by a person to connect with the connecting groove 308. The number of locking members 307 can be set in multiple groups, at least on the side position of the sealing plate 303, the locking member 307 has at least one side structure that is connected to the connecting groove 308 by rotation, a fixing member is provided between the locking member 307 and the sealing plate 303, the locking member 307 rotates around the fixing member to a certain extent, and an opening is provided on the structure on one side of the connecting groove 308 for the locking member 307 part structure to enter to form a coupling to cover the escape opening 302 with the sealing plate 303.

[0053] The ninth embodiment of the present utility model provides a fire door, and based on any of the above embodiments, Figures 1 to 4 As shown, the sealing plate 303 is provided with a fireproof heat insulation plate 309 and a handle structure 310. The fireproof heat insulation plate 309 is arranged on the sealing plate 303 located on the exit side of the escape opening 302. The handle structure 310 can be pushed by a person to separate the sealing plate 303 from the escape opening 302.

[0054] In this embodiment, the side structure of the sealing plate 303 is provided with an installation groove, the size of the installation groove is adapted to the size of the fireproof insulation board 309 so as to clamp it, and a plurality of connecting parts are also provided between the fireproof insulation board 309 and the installation groove to fix the two as a whole, and a sealing gasket is provided on the structure in contact with the escape opening 302 of the sealing plate 303. The sealing gasket is made of refractory fiber material to improve the sealing of the overall structure after the escape opening 302 and the sealing plate 303 are coupled, so as to prevent smoke from entering from the connecting gap and causing harm to personnel. A groove and a shielding cover are provided on the sealing plate 303, and the shielding cover is provided at the opening of the groove, and the groove can be covered or opened by pulling and sliding. The handle structure 310 is provided in the groove and is provided with a wooden kit on the structure in contact with the human hand for the human hand to grasp, and the shielding cover can hide the handle structure 310 in non-emergency situations, which is more beautiful.

[0055] The tenth embodiment of the present utility model provides a fire door, and based on any of the above embodiments, as Figure 1As shown, the connecting member 101 includes a fixing groove 104, a rotating shaft 105 and a connecting plate 106. The fixing groove 104 is arranged on the side structure of the protective frame 1. The rotating shaft 105 is arranged in the fixing groove 104 to be connected to one end structure of the connecting plate 106. The other end structure of the connecting plate 106 can be connected to the fire door panel 102.

[0056] In this embodiment, there are multiple groups of connecting members 101, and the fixing grooves 104 are arranged at a certain distance on a side structure of the protective frame 1. The fixing grooves 104 are fixed by a detachable connection, and the detachable connection is a threaded connection or a clamping connection. The side structure of the fixing groove 104 is provided with a supporting structure to support the structures on both sides of the rotating shaft 105 without affecting its rotation. The structure at one end of the connecting plate 106 is provided with a through hole, and the through hole allows the rotating shaft 105 to pass through to form a coupling. The structure at the other end of the connecting plate 106 is provided with a coupling plate to connect with the fire door panel 102. The coupling plate is provided with multiple connecting holes that can be fixed by screws or connectors.

[0057] In this specification, the schematic representation of the above terms does not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials or characteristics described may be combined in any one or more embodiments or examples in a suitable manner. The specific embodiments are merely explanations of the utility model, and they are not limitations of the utility model. After reading this specification, those skilled in the art may make modifications to the embodiments as needed without creative contributions, but they are protected by patent law as long as they are within the scope of the claims of the utility model.

Claims

1. A fire door, characterized in that: include: A protection frame (1), wherein a connecting piece (101) and a fireproof door panel (102) are provided on the protection frame (1), wherein the connecting piece (101) is provided on a side structure of the protection frame (1) to be connected to the fireproof door panel (102), and the fireproof door panel (102) can be opened or closed by rotating around the connecting piece (101) as an axis; A protective structure (2), the protective structure (2) being arranged on the protective frame (1), and comprising a smoke isolation structure (201) and an adjustment mechanism (202), the smoke isolation structure (201) comprising a sliding structure (203) and a slidably connected smoke isolation component (204), the sliding structure (203) being arranged in the fireproof door panel (102), the smoke isolation component (204) being arranged in the fireproof door panel (102) to be connected to the adjustment mechanism (202), and the adjustment mechanism (202) being arranged in the fireproof door panel (102) to control the sliding of the smoke isolation component (204); An escape component (3), the escape component (3) being arranged on the fireproof door panel (102), comprising an observation port (301) and an escape opening (302), the observation port (301) being capable of being viewed by a person, and the escape opening (302) being capable of being opened to allow a person to escape through.

2. A fire door according to claim 1, characterized in that: The smoke isolation component (204) includes a sealing transverse plate (205) and a sealing side plate (206), and the sealing transverse plate (205) and the sealing side plate (206) are provided in two groups. A groove (103) is provided on the inner structure of the protection frame (1). The sliding structure (203) includes a sliding member (207), a first sliding groove (208) and a second sliding groove (209). The sliding member (207) is provided in multiple groups, and at least part of the structure is provided on the first sliding groove (208) to be connected to the sealing side plate (206), and the rest of the structure is provided on the second sliding groove (209) to be connected to the sealing transverse plate (205). The adjustment mechanism (202) can drive the smoke isolation component (204) to be connected to the groove (103).

3. A fire door according to claim 2, characterized in that: The adjustment mechanism (202) comprises a mounting groove (210), a driving structure (211) and a sealing card plate (212); the sealing card plate (212) is arranged on the mounting groove (210) and can be opened or closed; the mounting groove (210) is arranged in the fireproof door panel (102); the driving structure (211) is provided in a plurality of groups to match the number of the sealing transverse plate (205) and the sealing side plate (206); at least a portion of the driving structure (211) is arranged in the mounting groove (210) to be connected to the smoke isolation component (204).

4. A fire door according to claim 3, characterized in that: The driving structure (211) comprises a pushing member (213), a driving rod (214), a rotating structure (215) and a clamping plate (216); the rotating structure (215) is arranged on the structures at both ends of the driving rod (214); the driving rod (214) is provided in a plurality of groups between the pushing member (213) and the clamping plate (216); the pushing member (213) is provided with a plurality of groups of first supporting members (217) for supporting the rotating structure (215) located on the structure at one end of the driving rod (214); and the clamping plate (216) can push and clamp the smoke isolation component (204).

5. A fire door according to claim 4, characterized in that: The clamping plate (216) can clamp the side structures of the sealing transverse plate (205) and the sealing side plate (206); a second support member (218) is provided on the side structure of the clamping plate (216) to support the rotating structure (215) located on the other end structure of the driving rod (214); and the pushing member (213) can push the clamping plate (216) to fix the smoke isolation assembly (204) and the groove (103) into a whole.

6. A fire door according to claim 5, characterized in that: A clamping slot (219) is provided in the installation slot (210), and the pushing member (213) can be pushed by pressing to engage with the clamping slot (219). A notch (220) is provided on the side structure of the pushing member (213), and the notch (220) can allow the driving rod (214) to pass through after the pushing member (213) is coupled to the clamping slot (219).

7. A fire door according to claim 1, characterized in that: The escape opening (302) is arranged at the bottom of the fireproof door panel (102), and the escape opening (302) is also provided with a sealing plate (303) and a locking structure (304). The locking structure (304) is arranged on one side of the sealing plate (303), and the other side structure of the sealing plate (303) is arranged on the escape opening (302) and can be turned over to cover the escape opening (302). The locking structure (304) can fix the sealing plate (303) and the escape opening (302) into a whole.

8. A fire door according to claim 7, characterized in that: The structure at the opening of the escape opening (302) is provided with a rotating rod (305) for connecting with the sealing plate (303), and a sealing structure (306) is also provided at the connection between the two for sealing. The locking structure (304) comprises a locking member (307) provided on a side structure of the sealing plate (303) and a connecting groove (308) provided on a side structure of the escape opening (302), and the locking member (307) can be connected with the connecting groove (308) by rotating.

9. A fire door according to claim 8, characterized in that: The sealing plate (303) is provided with a fireproof heat insulation plate (309) and a handle structure (310); the fireproof heat insulation plate (309) is provided on the sealing plate (303) located on one side of the exit of the escape opening (302); and the handle structure (310) can be pushed by a person to separate the sealing plate (303) from the escape opening (302).

10. A fire door according to claim 1, characterized in that: The connecting member (101) comprises a fixing groove (104), a rotating shaft (105) and a connecting plate (106); the fixing groove (104) is arranged on the side structure of the protection frame (1); the rotating shaft (105) is arranged in the fixing groove (104) to be structurally connected to one end of the connecting plate (106); and the other end of the connecting plate (106) can be structurally connected to the fireproof door panel (102).

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