Safety fireproof door convenient to disassemble and maintain

Abstract

The invention relates to the technical field of safety fireproof doors, and discloses a safety fireproof door convenient to disassemble and maintain, which comprises a wall body, an outer frame is fixedly mounted on the inner side of the wall body, a fixing assembly is arranged on the inner side of the outer frame, and a fireproof door assembly extending to the inner side of the fixing assembly is arranged on the inner side of the outer frame. A smoke blocking mechanism which extends to the inner side of the outer frame and is attached to the fireproof door assembly is arranged at the top of the outer frame, an observation window mechanism is arranged on the inner side of the fireproof door assembly, a cleaning mechanism attached to the observation window mechanism is arranged on the inner side of the fireproof door assembly, the fixing assembly comprises a mounting groove, and the mounting groove is formed in the inner top wall of the outer frame. According to the safety fireproof door convenient to disassemble and maintain, by arranging the smoke blocking mechanism, the purpose of preventing smoke leakage of gaps through the smoke blocking mechanism is achieved, and by arranging the observation window mechanism and the cleaning mechanism, the purpose of arranging an observation window is achieved.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of safety fireproof doors, in particular to a safety fireproof door convenient to disassemble and maintain. BACKGROUND

[0002] According to the search, the Chinese patent No. CN218206451U discloses a safety fireproof door convenient to disassemble and maintain, which comprises a positioning frame. The mounting frame is arranged between the fireproof door and the positioning frame, so that the entire fireproof door can be disassembled without disassembling the fireproof door, thereby avoiding damage to the connection part. The safety fireproof door is convenient to disassemble and maintain, and the efficiency of disassembling the safety fireproof door is improved. However, the existing technical solution has the following defects: after the fireproof door is closed, a gap is left between the door leaf and the door frame, and no corresponding smoke blocking structure is arranged. During a fire, the dense smoke generated by the fire can enter the safety space through the gap, endangering the refugees staying in the space. In addition, the fireproof door does not have an observation window, so the fire situation cannot be observed in real time, which may lead to the failure of the fire-fighting operation. Therefore, a safety fireproof door convenient to disassemble and maintain is proposed to solve the above-mentioned problems. SUMMARY

[0003] In view of the deficiencies of the prior art, the present application provides a safety fireproof door convenient to disassemble and maintain, which has the advantages of being provided with a smoke blocking structure to prevent smoke leakage through the gap and being provided with an observation window, thereby solving the problems mentioned in the background technology.

[0004] To achieve the above-mentioned purpose of being provided with a smoke blocking structure to prevent smoke leakage through the gap and being provided with an observation window, the present application provides the following technical solution: a safety fireproof door convenient to disassemble and maintain, comprising a wall body, an outer frame fixedly installed on the inner side of the wall body, a fixing assembly arranged on the inner side of the outer frame, a fireproof door assembly extending to the inner side of the fixing assembly, a smoke blocking mechanism arranged on the top of the outer frame and extending to the inner side thereof and abutting against the fireproof door assembly, an observation window mechanism arranged on the inner side of the fireproof door assembly, and a cleaning mechanism abutting against the observation window mechanism and arranged on the inner side of the fireproof door assembly. The fixing assembly comprises a mounting slot, the inner top wall of the outer frame is provided with the mounting slot, a pull rod extending to the inner side of the mounting slot is slidingly installed on the top of the outer frame, and a pressing plate is fixedly installed on the bottom of the pull rod.

[0005] Preferably, the fireproof door assembly comprises a door frame, the inner side of the outer frame is movably provided with the door frame, the bottom and the left and right sides of the door frame are fixedly provided with fixed blocks extending to the inner side of the outer frame, the right inner wall of the door frame is hingedly provided with a fireproof door, the inner top wall of the door frame is provided with a mounting cavity, the inner top wall of the mounting cavity is slidably provided with a wedge-shaped block extending to the inner side of the mounting cavity and abutting against the bottom of the pressing plate, the bottom of the wedge-shaped block is fixedly provided with an extension spring fixedly connected with the inner bottom wall of the mounting cavity, the bottom of the wedge-shaped block is fixedly provided with left and right lateral plates slidably connected with the side walls of the mounting cavity, and the inner walls of the mounting cavity are fixedly provided with support rods penetrating through the lateral plates.

[0006] Preferably, the smoke blocking mechanism comprises connecting plates, the left and right sides of the outer frame are slidably provided with two connecting plates extending to the inner side of the outer frame, the left and right sides of the upper and lower connecting plates are fixedly provided with smoke blocking plates abutting against the back side of the door frame and the fireproof door, the inner top wall of the outer frame is fixedly provided with a mounting plate located at the back side of the smoke blocking plate, the front side of the mounting plate is fixedly provided with a support plate extending to the inner side of the two smoke blocking plates, the left and right sides of the upper and lower connecting plates are fixedly provided with vertical rods located at the outer side of the outer frame, the top of the outer frame is fixedly provided with a box body, the inner top wall of the box body is fixedly provided with a double-shaft servo motor, the two output shafts of the double-shaft servo motor are fixedly provided with threaded rods rotatably connected with the inner wall of the box body, the outer side of the threaded rod is threadedly connected with a threaded block slidably connected with the inner top wall of the box body, the bottom of the threaded block is fixedly provided with a connecting rod extending to the bottom of the box body, and the bottom end of the connecting rod is fixedly connected with the vertical rod.

[0007] Preferably, the observation window mechanism comprises a mounting hole, the inside of the fireproof door is provided with a mounting hole, and the inside of the mounting hole is movably provided with a glass window.

[0008] Preferably, the cleaning mechanism comprises a mounting box, the inside of the fireproof door is fixedly provided with a mounting box located above the glass window, the left inner wall of the mounting box is fixedly provided with a servo motor, the output shaft of the servo motor is fixedly provided with a threaded rotating rod rotatably connected with the right inner wall of the mounting box, the outer side of the threaded rotating rod is threadedly connected with a threaded moving block, the front and rear sides of the threaded moving block are fixedly provided with limiting plates, the top of the limiting plate is slidably provided with a connecting plate extending to the bottom of the mounting box, the bottom end of the connecting plate is fixedly provided with a cleaning brush abutting against the glass window, the left and right inner walls of the mounting box are fixedly provided with a limiting frame located above the threaded rotating rod, and the top of the two connecting plates is fixedly provided with a connecting rod penetrating through the limiting frame and slidably connected with the limiting frame.

[0009] Preferably, the back side of the smoke blocking plate is provided with a sliding groove, the size of the sliding groove is matched with the support plate, and the left and right inner walls of the outer frame are provided with rectangular holes matched with the connecting plates.

[0010] Preferably, the inner bottom wall of the mounting box is provided with a strip hole matched with the moving track of the connecting plate, a sealing strip is fixedly installed on the inner side of the strip hole, the inner part of the limiting plate is provided with a limiting hole matched with the connecting plate, the inner part of the limiting frame is provided with a wave-shaped limiting hole, and the inner part of the fireproof door is provided with a rectangular hole body matched with the mounting box.

[0011] Preferably, the rear side of the wedge-shaped block is designed to be inclined, the inner top wall of the door frame is provided with a through hole communicated with the inner top wall of the mounting cavity, the size of the through hole is matched with the wedge-shaped block, and the inner part of the horizontal plate is provided with a circular hole matched with the supporting rod.

[0012] Preferably, the front side of the outer frame is provided with five grooves matched with the fixing blocks.

[0013] Compared with the prior art, the safe fireproof door convenient to disassemble and maintain has the following beneficial effects: 1. The safe fireproof door convenient to disassemble and maintain is provided with a smoke blocking mechanism, when a fire occurs, a double-shaft servo motor is started to drive a threaded rod to rotate, a threaded block slides along the inner wall of the box body, a connecting rod and a vertical rod pull a connecting plate to move relatively, the connecting plate drives a smoke blocking plate to move relatively along the outer frame, a supporting plate is embedded in the sliding groove at the rear side of the smoke blocking plate, the stability of the movement of the two smoke blocking plates is ensured, the smoke blocking plate is matched with the gap between the door frame and the fireproof door, the spread of smoke is prevented, and the purpose of preventing smoke from leaking through the gap by providing the smoke blocking structure is achieved.

[0014] 2. The safe fireproof door convenient to disassemble and maintain is provided with an observation window mechanism and a cleaning mechanism, a glass window is embedded in the mounting hole of the fireproof door to provide a visual function during a fire, a servo motor drives a threaded rotating rod to rotate, a threaded moving block drives a limiting plate and a connecting plate to move horizontally, a cleaning brush slides along the surface of the glass window to remove smoke dust or stains, the wave-shaped limiting hole of the limiting frame enables the connecting plate to move stably and move up and down, the cleaning brush moves left and right and brushes up and down at the same time, the cleaning effect is improved, the glass window is cleaned regularly to ensure good observation effect, and the sealing strip prevents dust and smoke from entering the mounting box, and the purpose of providing the observation window is achieved. BRIEF DESCRIPTION OF DRAWINGS

[0015] Figure 1 It is a structure perspective view of the present application; Figure 2 It is a local structure right view explosion diagram of the present application; Figure 3 It is a local structure sectional perspective view of the present application; Figure 4 It is a local structure bottom view sectional perspective view of the present application; Figure 5It is a partial structure sectional view of the present application; Figure 6 It is a partial structure sectional view of the present application; Figure 7 It is a partial structure sectional view of the present application; Figure 8 It is a partial structure sectional view of the present application; Figure 9 It is a partial structure sectional view of the present application; Figure 10 It is a partial structure sectional view of the present application.

[0016] In the figure: 1 wall, 2 outer frame, 3 fixed assembly, 31 mounting groove, 32 pull rod, 33 pressing plate, 4 fireproof door assembly, 41 door frame, 42 fixed block, 43 fireproof door, 44 mounting cavity, 45 wedge-shaped block, 46 extension spring, 47 horizontal plate, 48 support rod, 5 smoke blocking mechanism, 501 connecting plate, 502 smoke blocking plate, 503 mounting plate, 504 support plate, 505 box body, 506 double-shaft servo motor, 507 threaded rod, 508 threaded block, 509 connecting rod, 510 vertical rod, 6 observation window mechanism, 61 mounting hole, 62 glass window, 7 cleaning mechanism, 71 mounting box, 72 servo motor, 73 threaded rotating rod, 74 threaded moving block, 75 limiting frame, 76 limiting plate, 77 connecting plate, 78 cleaning brush, 79 connecting rod. DETAILED DESCRIPTION

[0017] The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the present application.

[0018] Please refer to Figures 1-10 The present application provides a technical solution: a safety fireproof door convenient to disassemble and maintain, comprising a wall 1, an outer frame 2 fixedly installed on the inner side of the wall 1, a fixed assembly 3 arranged on the inner side of the outer frame 2, a fireproof door assembly 4 arranged on the inner side of the outer frame 2 and extending to the inner side of the fixed assembly 3, a smoke blocking mechanism 5 arranged on the top of the outer frame 2 and extending to the inner side thereof and abutting against the fireproof door assembly 4, an observation window mechanism 6 arranged on the inner side of the fireproof door assembly 4, and a cleaning mechanism 7 arranged on the inner side of the fireproof door assembly 4 and abutting against the observation window mechanism 6.

[0019] The fixed assembly 3 comprises a mounting groove 31, the inner top wall of the outer frame 2 is provided with the mounting groove 31, and a pull rod 32 extending to the inner side of the mounting groove 31 is slidingly installed on the top of the outer frame 2, and the bottom of the pull rod 32 is fixedly installed with a pressing plate 33.

[0020] The fireproof door assembly 4 comprises a door frame 41, the inner side of the outer frame 2 is movably mounted with the door frame 41, the bottom and the left and right sides of the door frame 41 are fixedly mounted with fixed blocks 42 extending to the inner side of the outer frame 2, the fixed blocks 42 are embedded in the grooves on the front side of the outer frame 2 to provide preliminary positioning of the bottom and the two sides, and cooperate with the wedge-shaped blocks 45 to realize three-dimensional fixing, the inner wall of the right side of the door frame 41 is hingedly connected with a fireproof door 43, the fireproof door 43 is a normally closed type, and is one-way opened through a hinge to meet the fire protection standard, an installation cavity 44 is formed in the inner top wall of the door frame 41, a wedge-shaped block 45 extending to the inner side of the installation groove 31 and abutting against the bottom of the pressing plate 33 is slidably mounted on the inner top wall of the installation cavity 44, the installation groove 31 and the wedge-shaped block 45 cooperate to form a buckle structure, the door frame 41 is fixed by mechanical embedding, the bottom of the wedge-shaped block 45 is fixedly mounted with a telescopic spring 46 fixedly connected with the inner bottom wall of the installation cavity 44, the elastic coefficient of the telescopic spring 46 can be set according to requirements, the bottom of the wedge-shaped block 45 is fixedly mounted with a horizontal plate 47 slidably connected with the side wall of the installation cavity 44, and the inner wall of the installation cavity 44 is fixedly mounted with a support rod 48 penetrating through the horizontal plate 47.

[0021] The rear side of the wedge-shaped block 45 is designed to be inclined, the inner top wall of the door frame 41 is provided with a through hole in communication with the inner top wall of the installation cavity 44, the size of the through hole is matched with that of the wedge-shaped block 45, the inside of the horizontal plate 47 is provided with a circular hole matched with the support rod 48, and the front side of the outer frame 2 is provided with grooves, the size of the grooves is matched with that of the fixed blocks 42, and the number of the grooves is five.

[0022] The smoke blocking mechanism 5 comprises a connecting plate 501, the left and right sides of the outer frame 2 are slidably mounted with two connecting plates 501 extending to the inner side of the outer frame 2, the left and right sides of the upper and lower connecting plates 501 are fixedly mounted with smoke blocking plates 502 abutting against the rear side of the door frame 41 and the fireproof door 43, the inner top wall of the outer frame 2 is fixedly mounted with an installation plate 503 located at the rear side of the smoke blocking plate 502, the front side of the installation plate 503 is fixedly mounted with a support plate 504 extending to the inner side of the two smoke blocking plates 502, the left and right sides of the upper and lower connecting plates 501 are fixedly mounted with vertical rods 510 located at the outer side of the outer frame 2, the top of the outer frame 2 is fixedly mounted with a box body 505, the box body 505 is made of fireproof steel plate and coated with a heat insulation coating in the inside, the inner top wall of the box body 505 is fixedly mounted with a double-shaft servo motor 506, the two output shafts of the double-shaft servo motor 506 are fixedly mounted with threaded rods 507 rotatably connected with the inner wall of the box body 505, the outer sides of the two threaded rods 507 are provided with two sections of threads of equal length and opposite directions, the outer sides of the threaded rods 507 are threadedly connected with threaded blocks 508 slidably connected with the inner top wall of the box body 505, the bottom of the threaded block 508 is fixedly mounted with a connecting rod 509 extending to the bottom of the box body 505, and one end of the bottom of the connecting rod 509 is fixedly connected with the vertical rod 510.

[0023] The rear side of the smoke baffle 502 is provided with a sliding groove, the size of the sliding groove is matched with the supporting plate 504, the inner wall of the outer frame 2 is provided with a rectangular hole matched with the connecting plate 501 on the left and right sides, the inner side of the rectangular hole is coated with a lubricating layer to reduce friction resistance, the vertical rod 510 is connected with the upper and lower connecting plates 501, the rectangular hole provides a sliding track for the connecting plate 501, and the movement direction is limited.

[0024] The observation window mechanism 6 comprises a mounting hole 61, the inside of the fireproof door 43 is provided with the mounting hole 61, the inside of the mounting hole 61 movably installs a glass window 62, the glass window 62 is made of fireproof glass, the fire resistance limit is greater than or equal to one hour, and the visual function is provided, the glass window 62 is filled with fireproof sealant between the mounting hole 61, and smoke leakage is prevented.

[0025] The cleaning mechanism 7 comprises a mounting box 71, the inside of the fireproof door 43 is fixedly provided with the mounting box 71 above the glass window 62, the inside wall of the mounting box 71 is fixedly provided with a servo motor 72 on the left side, the output shaft of the servo motor 72 is fixedly provided with a threaded rotating rod 73 rotatably connected with the right side of the inside wall of the mounting box 71, the outer side of the threaded rotating rod 73 is threadedly connected with a threaded moving block 74, the front and rear sides of the threaded moving block 74 are fixedly provided with a limiting plate 76, the top of the limiting plate 76 is slidably provided with a connecting plate 77 extending to the bottom of the mounting box 71, the bottom of one end of the connecting plate 77 is fixedly provided with a cleaning brush 78 abutting the glass window 62, the inside wall of the mounting box 71 is fixedly provided with a limiting frame 75 above the threaded rotating rod 73 between the left and right sides, the top of the two connecting plates 77 is fixedly provided with a connecting rod 79 penetrating through the limiting frame 75 and slidably connected with the limiting frame 75, and the structures in the cleaning mechanism 7 are all made of fireproof materials.

[0026] The inner bottom wall of the mounting box 71 is provided with a strip hole matched with the moving track of the connecting plate 77, the inner side of the strip hole is fixedly provided with a sealing strip, the sealing strip is made of silicone rubber material, is high-temperature resistant and has good elasticity, the inside of the limiting plate 76 is provided with a limiting hole matched with the connecting plate 77, the inside of the limiting frame 75 is provided with a wave-shaped limiting hole, the wave-shaped limiting hole makes the connecting plate 77 move up and down slightly when moving, improves the cleaning effect, and the inside of the fireproof door 43 is provided with a rectangular hole body matched with the mounting box 71.

[0027] In use, push down the pull rod 32, so that the pressure plate 33 extrude the wedge block 45, the wedge block 45 compression telescopic spring 46 causes the wedge block 45 and the installation groove 31 of the outer frame 2 disengaged, the fixed block 42 of the door frame 41 from the outer frame 2 slot body, realize the overall disassembly, the fixed block 42 of the door frame 41 aligns the outer frame 2 slot body, the wedge block 45 back to extrusion and into the installation groove 31, telescopic spring 46 reset push the wedge block 45 up, complete the fixed, fire alarm system trigger double shaft servo motor 506, baffle 502 automatically relative movement and adhere to the back side of the door frame 41 and fire door 43, form a sealed barrier, through regular cleaning glass window 62 effectively prevent dust adhere, start servo motor 72, cleaning brush 78 automatically clean, ensure clear vision, normally closed fire door need to keep closed state, prohibit the pile of sundries or private modification, in violation of the People's Republic of China Fire Control Law the sixtieth clause first clause first item will face fine, monthly test pull rod 32, telescopic spring 46 and double shaft servo motor 506 and other components flexibility, ensure that baffle 502 and cleaning brush 78 no jam, avoid the use of corrosive cleaning agent wipe glass window 62 or door frame 41, prevent damage to fireproof material or sealing strip.

[0028] All structural parts in the application adopt A-grade fireproof material, the overall fire resistance limit is greater than or equal to one and a half hours.

[0029] Meanwhile, the contents not described in detail in the specification all belong to the prior art known to those skilled in the art.

[0030] In conclusion, the safety fireproof door convenient to disassemble and maintain, through the setting smoke blocking mechanism 5, when fire, double shaft servo motor 506 starts, drives threaded rod 507 to rotate, threaded block 508 slides along the inner wall of box body 505, through connecting rod 509 and vertical rod 510, pulls the relative movement of connecting plate 501, connecting plate 501 drives the relative movement of smoke blocking plate 502 along outer frame 2, support plate 504 is embedded in the sliding groove at the back side of smoke blocking plate 502, the stability of the movement of both sides of smoke blocking plate 502 is guaranteed, the gap between smoke blocking plate 502 and door frame 41 and fireproof door 43 is fitted, the spread of smoke is prevented, the purpose of preventing the gap from leaking smoke is realized, through the setting observation window mechanism 6 and cleaning mechanism 7, glass window 62 is embedded in the mounting hole 61 of fireproof door 43, the visual function during fire is provided, servo motor 72 drives threaded rotating rod 73 to rotate, threaded moving block 74 drives limiting plate 76 and connecting plate 77 to move horizontally, cleaning brush 78 slides along the surface of glass window 62, removes the soot or stains, the wavy limiting hole of limiting frame 75 is provided, so that connecting plate 77 moves stably and can move up and down, so that cleaning brush 78 moves left and right while brushing up and down, the cleaning effect is improved, through the regular cleaning of glass window 62, the better observation effect is guaranteed, and then the sealing strip prevents dust and smoke from entering the mounting box 71, the purpose of providing the observation window is realized, the problem that when the fireproof door is closed, the gap is left between the door leaf and the door frame, the corresponding smoke blocking structure is not provided, the dense smoke generated during fire can enter the safety space through the gap, and the evacuees staying in the space are harmed, and the fireproof door does not provide the observation window, so that the fire situation cannot be observed in real time, and the fire fighting action is prone to failure.

[0031] It should be noted that, in the present document, relational terms such as first and second and the like can be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises", "comprising", or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but can include other elements not expressly listed or inherent to such process, method, article, or apparatus. Additionally, unless otherwise specified, the use of the terms "first", "second", etc., to describe a process, method, or article, does not indicate that the process, method, or article is limited to a single element or step, but rather that the process, method, or article can include one or more elements or steps.

[0032] While embodiments of the application have been shown and described, it is to be understood that the application is not limited to the details of the embodiments described, since numerous modifications and changes can be made to the embodiments without departing from the spirit and scope of the application as defined by the appended claims and their equivalents.

Claims

1. A fireproof safety door that is easy to disassemble and maintain, comprising a wall (1), wherein an outer frame (2) is fixedly installed on the inner side of the wall (1), a fixing component (3) is provided on the inner side of the outer frame (2), and a fireproof door assembly (4) extending to the inner side of the fixing component (3) is provided on the inner side of the outer frame (2), characterized in that: The top of the outer frame (2) is provided with a smoke-blocking mechanism (5) that extends to its inner side and fits with the fire door assembly (4). The inner side of the fire door assembly (4) is provided with an observation window mechanism (6). The inner side of the fire door assembly (4) is provided with a cleaning mechanism (7) that fits with the observation window mechanism (6). The fixing component (3) includes a mounting groove (31), the inner top wall of the outer frame (2) is provided with a mounting groove (31), a pull rod (32) extending to the inner side of the mounting groove (31) is slidably installed on the top of the outer frame (2), and a pressure plate (33) is fixedly installed on the bottom of the pull rod (32).

2. The fireproof safety door that is easy to disassemble and maintain according to claim 1, characterized in that: The fire door assembly (4) includes a door frame (41). The door frame (41) is movably installed on the inner side of the outer frame (2). The bottom and left and right sides of the door frame (41) are fixedly installed with fixing blocks (42) extending to the inner side of the outer frame (2). The right side of the inner wall of the door frame (41) is hinged with a fire door (43). The inner top wall of the door frame (41) is provided with an installation cavity (44). The inner top wall of the installation cavity (44) is slidably installed with a wedge block (45) extending to the inner side of the installation groove (31) and fitting against the bottom of the pressure plate (33). The bottom of the wedge block (45) is fixedly installed with a telescopic spring (46) fixedly connected to the inner bottom wall of the installation cavity (44). The left and right ends of the bottom of the wedge block (45) are fixedly installed with a horizontal plate (47) slidably connected to the side wall of the installation cavity (44). The upper and lower sides of the inner wall of the installation cavity (44) are fixedly installed with a support rod (48) penetrating the horizontal plate (47).

3. A fireproof safety door that is easy to disassemble and maintain according to claim 2, characterized in that: The smoke-blocking mechanism (5) includes a connecting plate (501). Two connecting plates (501) extending to the inside of the outer frame (2) are slidably installed on both the left and right sides of the outer frame (2). A smoke-blocking plate (502) that fits against the back of the door frame (41) and the fire door (43) is fixedly installed between one side of the connecting plates (501) on the upper and lower sides. An mounting plate (503) located behind the smoke-blocking plate (502) is fixedly installed on the inner top wall of the outer frame (2). A support plate (504) extending to the inside of the two smoke-blocking plates (502) is fixedly installed on the front side of the mounting plate (503). A support plate (504) located behind the outer frame (502) is fixedly installed between one side of the connecting plates (501) on the upper and lower sides. 2) The outer vertical rod (510) is fixedly installed on the top of the outer frame (2). A box body (505) is fixedly installed on the inner top wall of the box body (505). A dual-axis servo motor (506) is fixedly installed on both output shafts of the dual-axis servo motor (506). A threaded rod (507) is rotatably connected to the inner wall of the box body (505). A threaded block (508) is threadedly connected to the outer side of the threaded rod (507) and slidably connected to the inner top wall of the box body (505). A connecting rod (509) extending to the bottom of the box body (505) is fixedly installed on the bottom of the threaded block (508). One end of the bottom of the connecting rod (509) is fixedly connected to the vertical rod (510).

4. A fireproof safety door that is easy to disassemble and maintain according to claim 2, characterized in that: The observation window mechanism (6) includes a mounting hole (61), and the fire door (43) has a mounting hole (61) inside, and a glass window (62) is movably installed inside the mounting hole (61).

5. A fireproof safety door that is easy to disassemble and maintain according to claim 4, characterized in that: The cleaning mechanism (7) includes a mounting box (71). The mounting box (71) is fixedly installed inside the fire door (43) above the glass window (62). A servo motor (72) is fixedly installed on the left side of the inner wall of the mounting box (71). A threaded rotating rod (73) that is rotatably connected to the right side of the inner wall of the mounting box (71) is fixedly installed at the output shaft of the servo motor (72). A threaded moving block (74) is threadedly connected to the outer side of the threaded rotating rod (73). Both the front and rear sides of the threaded moving block (74) are... A limiting plate (76) is fixedly installed. A connecting plate (77) extending to the bottom of the mounting box (71) is slidably installed on the top of the limiting plate (76). A cleaning brush (78) that fits against the glass window (62) is fixedly installed at one bottom end of the connecting plate (77). A limiting frame (75) located above the threaded rotating rod (73) is fixedly installed between the left and right sides of the inner wall of the mounting box (71). A connecting rod (79) that passes through the limiting frame (75) and is slidably connected to it is fixedly installed between the tops of the two connecting plates (77).

6. A fireproof safety door that is easy to disassemble and maintain according to claim 3, characterized in that: The smoke baffle (502) has a sliding groove on its rear side, the size of which is adapted to the support plate (504). The inner walls of the outer frame (2) have rectangular holes on both the left and right sides that are adapted to the connecting plate (501).

7. A fireproof safety door that is easy to disassemble and maintain according to claim 5, characterized in that: The inner bottom wall of the mounting box (71) is provided with a strip hole that matches the movement trajectory of the connecting plate (77). A sealing strip is fixedly installed on the inner side of the strip hole. The interior of the limiting plate (76) is provided with a limiting hole that matches the connecting plate (77). The interior of the limiting frame (75) is provided with a wavy limiting hole. The interior of the fire door (43) is provided with a rectangular hole that matches the mounting box (71).

8. A fireproof safety door that is easy to disassemble and maintain according to claim 2, characterized in that: The rear side of the wedge block (45) is inclined. The inner top wall of the door frame (41) is provided with a through hole that communicates with the inner top wall of the mounting cavity (44). The size of the through hole is adapted to the wedge block (45). The interior of the horizontal plate (47) is provided with a round hole that is adapted to the support rod (48).

9. A fireproof safety door that is easy to disassemble and maintain according to claim 2, characterized in that: The outer frame (2) has a groove on its front side. The size of the groove is adapted to the fixing block (42). There are five grooves.

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