Smoke-blocking fireproof door and mounting method thereof

Abstract

The invention discloses a smoke-blocking fireproof door and a mounting method thereof, and relates to the technical field of smoke-blocking fireproof doors. The smoke-blocking fireproof door comprises a door frame assembly, the door frame assembly comprises a door frame body and a first smoke-blocking fireproof unit, and an adaptive mounting groove is formed in the top end of the door frame body; the installation method comprises the following steps that S1, the door frame assembly is installed; firstly, the door frame assembly is assembled, then the door frame assembly is installed at a designated position, and then an electromagnetic valve of the first smoke-blocking fireproof unit is connected with a fire-fighting pipeline, so that water flow in the fire-fighting pipeline can enter a water guide connecting pipe. Clearances possibly existing in the flame-retardant fireproof door are blocked through the structures such as the first smoke-blocking fireproof unit and the second smoke-blocking fireproof unit, the possibility that smoke penetrates through the smoke-blocking fireproof door to diffuse is reduced, meanwhile, fire-fighting water flow is matched, the fire behavior resistance of the smoke-blocking fireproof door is improved, and the influence of the fire behavior on the lower space is reduced.

Description

Technical Field

[0001] The invention relates to the technical field of smoke-barrier fireproof doors, and in particular to a smoke-barrier fireproof door and an installation method thereof. 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 fireproof partitions with certain fire resistance, located between fire compartments, evacuation stairwells, vertical shafts, etc.

[0003] After searching, the Chinese patent application No. 202311696472.0 discloses a smoke-proof fire door, including a fire door frame, a fire door body is installed on the fire door frame through a hinge, the top of the fire door body is connected to the top of the fire door frame through a door closer, a handle is installed on the fire door body, and also includes a smoke-proof device installed on the fire door body; the smoke-proof device is composed of a shell, a shaking device, a plate body, a foam bottle, a nitrogen bottle, a pipe, a connecting head and a metal pipe; a shaking device is installed inside the shell, a groove is provided on the circumference of the fire door body and corresponding to the position of the fire door frame, and a metal pipe is fixedly installed inside the groove; the shaking device shakes the foam bottle and the nitrogen bottle on the plate body, and first opens the nitrogen bottle through the solenoid valve of the pipe, so that the nitrogen in the nitrogen bottle is injected into the metal pipe, and then opens the foam bottle through the solenoid valve of the pipe, so that the foam in the foam bottle is injected into between the fire door body and the fire door frame through the metal pipe.

[0004] The smoke-barrier fire door in the above-mentioned patent has the following deficiencies: the device injects foam glue between the fire door frame and the fire door body, and the foam glue in the foam glue bottle is injected into the space between the fire door body and the fire door frame through a metal tube. The foam glue expands when it encounters air and fills the space between the fire door body and the fire door frame to seal and prevent the smoke from the fire from spreading upward through the stairwell; however, in actual use, the foam glue will solidify rapidly after expansion, and the expansion of the foam glue is uncontrollable, and it is easy to spread to the connection gap between the fire door and the door frame, forming large foam on the fire door, which is not conducive to the reopening of the fire door and brings great obstacles to people escaping through the fire door. Summary of the invention

[0005] The purpose of the present invention is to solve the shortcomings in the prior art and to propose a smoke-proof fire door and an installation method thereof.

[0006] In order to achieve the above object, the present invention adopts the following technical solutions: A smoke-proof fire door, comprising: The door frame assembly comprises a door frame body and a smoke and fireproof unit 1, an adaptor installation groove is provided at the top of the door frame body, the smoke and fireproof unit 1 is arranged inside the adaptor installation groove, the smoke and fireproof unit 1 comprises an electromagnetic valve and a water guide connecting pipe connected to each other, a plurality of diversion water pipes are fixedly connected to the front of the water guide connecting pipe, a diversion connecting pipe is fixedly installed at the bottom end of the diversion water pipe, an extrusion connecting plate is fixedly connected to the middle of the diversion connecting pipe, and a sealing top plate is fixedly connected to the lower surface of the extrusion connecting plate; A main door panel assembly, the main door panel assembly includes a main door panel body and a second smoke and fireproof unit, the second smoke and fireproof unit is arranged inside the main door panel body, the second smoke and fireproof unit includes a plurality of sliding connection pipes and a connection water tank, the bottom end of the connection water tank is fixedly connected with a plurality of positioning mounting columns, the bottom ends of the plurality of positioning mounting columns are fixedly installed with a fixed connection plate, the outer wall of the fixed connection plate is fixedly sleeved with a bottom end sealing gasket, the top end of the connection water tank is fixedly connected with a plurality of internal threaded connection pipes, the inside of the internal threaded connection pipe is fixedly installed with an external threaded connection pipe, and the plurality of external threaded connection pipes are respectively fixedly connected to the bottom ends of the plurality of sliding connection pipes; The auxiliary door panel assembly comprises an auxiliary door panel body and a plurality of hinges 2, wherein the plurality of hinges 2 are fixedly installed at equal intervals on one side of the front face of the auxiliary door panel body.

[0007] As a preferred embodiment of the present invention: sealing pads are fixedly installed on the inner walls on both sides of the door frame body, and the bottom end of the inner wall on one side of the door frame body is fixedly connected to a connecting bottom plate, the top end of the connecting bottom plate is clamped with a sealing bottom plate, and the lower surface of the sealing bottom plate is fixedly connected to an elastic pad.

[0008] As a preferred embodiment of the present invention: a plurality of guide lifting columns are fixedly connected to the upper surface of the extruded connecting plate, wherein the outer walls of the plurality of guide lifting columns are threadedly sleeved with internally threaded gear cylinders, the outer walls of the plurality of internally threaded gear cylinders are meshedly connected with matching gear plates, and an electric telescopic rod is fixedly installed at one end of the matching gear plate.

[0009] As a preferred embodiment of the present invention: a limited sealing edge is fixedly connected to the back side of the inner wall of the door frame body, a controller is fixedly installed on one side of the top of the door frame body, a connecting slot is opened on the other side, and smoke alarms are fixedly installed on the top of both the front and back sides of the door frame body.

[0010] As a preferred embodiment of the present invention: a plurality of adapter mounting holes are opened at the top of the main door panel body, the sliding connecting pipe is slidably installed inside the adapter mounting holes, and a plurality of hinges are fixedly installed at equal intervals on one side of the front side of the main door panel body.

[0011] As a preferred embodiment of the present invention: a strong support spring is slidably sleeved on the outer wall of the sliding connecting tube, a fixed gasket is fixedly connected to the bottom end of the strong support spring, and a connecting clamp is fixedly connected to the top end of the sliding connecting tube, and a hexagonal clamping groove is provided on the top end of the connecting clamp.

[0012] As a preferred embodiment of the present invention: a sealing edge is fixedly connected to one side of the front side of the main door panel body, a sealing convex strip is fixedly connected to one side of the back side of the sealing edge, a sealing groove is opened on one side of the back side of the main door panel body, and a convex strip card groove is opened on one side of the front groove wall of the sealing groove.

[0013] As a preferred embodiment of the present invention: a sealing edge 2 is fixedly connected to one side of the back side of the auxiliary door panel main body, a sealing convex strip 2 is fixedly connected to one side of the front side of the sealing edge 2, a sealing groove 2 is opened on one side of the front side of the auxiliary door panel main body, and a convex strip card groove 2 is opened on one side of the groove wall on the back side of the sealing groove 2.

[0014] As a preferred embodiment of the present invention, the main door panel body is rotatably connected to the door frame body through hinge 1, the auxiliary door panel body is rotatably connected to the door frame body through hinge 2, and the main door panel body is engaged with the auxiliary door panel body.

[0015] A method for installing a smoke-barrier fire door comprises the following steps: S1: Install the door frame assembly; first assemble the door frame assembly, then install the door frame assembly to the designated position, then connect the solenoid valve of the smoke and fire protection unit 1 to the fire protection pipe so that the water flow inside the fire protection pipe can enter the water guide connecting pipe; S2: Install the main door panel assembly; first assemble the main door panel assembly, then connect the main door panel assembly to the door frame body of the door frame assembly through hinge 1, and check the rotation performance of the main door panel assembly; S3: Install the auxiliary door panel assembly; first assemble the auxiliary door panel assembly, then connect the auxiliary door panel assembly to the door frame body of the door frame assembly through hinge 2, and check the rotation performance of the auxiliary door panel assembly; S4: Performance test; close the main door panel body and the auxiliary door panel body, then start the electric telescopic rod through the controller and open the solenoid valve to allow the fire water flow to enter the smoke and fire protection unit 1 and the smoke and fire protection unit 2 to test the overall device's smoke blocking performance and water flow performance.

[0016] The beneficial effects of the present invention are: 1. The smoke-barrier fire door seals possible gaps in the flame-retardant fire door through the smoke-barrier fire unit 1 and the smoke-barrier fire unit 2, thereby reducing the possibility of smoke spreading through the smoke-barrier fire door. At the same time, it cooperates with the fire water flow to improve the ability of the smoke-barrier fire door to resist fire and reduce the impact of the fire on the lower space. At the same time, the working mode of the device is simple and the control is fast. It will not affect the use of the smoke-barrier fire door. When a fire occurs, it can also be opened quickly to ensure that escapees and firefighters can use it smoothly.

[0017] 2. The smoke-proof fire door improves the use effect of the auxiliary door panel assembly by setting structures such as a connecting bottom plate, a sealing bottom plate, and an elastic bottom plate. It cooperates with the bottom sealing gasket to close the gap between the door panel and the ground, thereby fully blocking the smoke. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] The drawings constituting a part of this application are used to provide a further understanding of this application, so that other features, purposes and advantages of this application become more obvious. The schematic embodiment drawings and their descriptions of this application are used to explain this application and do not constitute an improper limitation on this application. In the drawings: Figure 1 It is a schematic diagram of the three-dimensional structure of the overall assembly of the present invention; Figure 2 It is a schematic diagram of a partial cross-sectional structure of the overall assembly of the present invention; Figure 3 It is a three-dimensional structural schematic diagram of the door frame assembly of the present invention; Figure 4 It is a partial cross-sectional structural schematic diagram of the door frame assembly of the present invention; Figure 5 The three-dimensional structure of the main door panel assembly of the present invention is shown in FIG. Figure 1 ; Figure 6 The three-dimensional structure of the main door panel assembly of the present invention is shown in FIG. Figure 2 ; Figure 7 It is a partial cross-sectional structural schematic diagram of the main door panel assembly of the present invention; Figure 8 It is a schematic diagram of the three-dimensional structure of the auxiliary door panel assembly of the present invention.

[0019] In the figure: 1. Door frame assembly; 101. Door frame body; 102. Limit sealing edge; 103. Sealing pad; 104. Connecting bottom plate; 105. Sealing bottom plate; 106. Elastic pad; 107. Smoke alarm; 108. Connecting slot; 109. Adapter mounting slot; 110. Solenoid valve; 111. Water inlet pipe head; 112. Water guide connecting pipe; 113. Diverter pipe; 114. Diverter connecting pipe; 115. Extrusion connecting plate; 116. Sealing top plate; 117. Guide lifting column; 118. Internal threaded gear cylinder; 119. Matching gear plate; 120. Electric telescopic rod; 121. Controller; 2. Main door panel assembly; 201. Main door panel body; 202. Sealing edge 1; 203. Sealing convex strip 1; 204. Sealing Sealing groove one; 205, convex strip card slot one; 206, fixed door lock; 207, connecting handle; 208, hinge one; 209, adapter installation hole; 210, sliding connection pipe; 211, connecting clamp; 212, hexagonal card slot; 213, strong support spring; 214, fixed gasket; 215, external thread connection pipe; 216, internal thread connection pipe; 217, water tank connection; 218, positioning installation column; 219, fixed connection plate; 220, bottom end sealing gasket; 3, auxiliary door panel assembly; 301, auxiliary door panel body; 302, sealing edge two; 303, sealing convex strip two; 304, sealing groove two; 305, convex strip card slot two; 306, adapter lock hole; 307, dowel slide groove; 308, fixed dowel; 309, hinge two. DETAILED DESCRIPTION

[0020] In order to enable those skilled in the art to better understand the solution of the present application, the technical solution in the embodiments of the present application will be clearly and completely described below in conjunction with the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, not all of the embodiments. Based on the embodiments in the present application, all other embodiments obtained by ordinary technicians in this field without creative work should fall within the scope of protection of the present application.

[0021] It should be noted that the terms "first", "second", etc. in the specification and claims of the present application and the above-mentioned drawings are used to distinguish similar objects, and are not necessarily used to describe a specific order or sequential order. It should be understood that the data used in this way can be interchanged where appropriate, so that the embodiments of the present application described here. In addition, the terms "including" and "having" and any of their variations are intended to cover non-exclusive inclusions, for example, a process, method, system, product or device comprising a series of steps or units is not necessarily limited to those steps or units clearly listed, but may include other steps or units that are not clearly listed or inherent to these processes, methods, products or devices.

[0022] In the present application, the terms "upper", "lower", "left", "right", "front", "back", "top", "bottom", "inner", "outer", "middle", "vertical", "horizontal", "lateral", "longitudinal" and the like indicate positions or positional relationships based on the positions or positional relationships shown in the drawings. These terms are mainly used to better describe the present application and its embodiments, and are not used to limit the indicated devices, elements or components to have a specific orientation, or to be constructed and operated in a specific orientation.

[0023] In addition, some of the above terms may be used to express other meanings in addition to indicating orientation or positional relationship. For example, the term "on" may also be used to express a certain dependency or connection relationship in some cases. For those of ordinary skill in the art, the specific meanings of these terms in this application can be understood according to specific circumstances.

[0024] In addition, the term "plurality" shall mean two or more.

[0025] It should be noted that, in the absence of conflict, the embodiments and features in the embodiments of the present application can be combined with each other. The present application will be described in detail below with reference to the accompanying drawings and in combination with the embodiments.

[0026] Embodiment 1: A smoke-proof fire door, such as Figures 1 to 8 The present invention comprises: a door frame assembly 1, a main door panel assembly 2 and a secondary door panel assembly 3. The main door panel assembly 2 and the secondary door panel assembly 3 are both rotatably installed inside the door frame assembly 1, and the main door panel assembly 2 and the secondary door panel assembly 3 are correspondingly engaged, so as to completely seal the passage inside the door frame assembly 1, thereby playing the role of smoke blocking and fire prevention.

[0027] The door frame assembly 1 includes a door frame body 101 and a smoke and fire prevention unit 1. The door frame body 101 is fixedly connected to the wall, and the connection is sealed; Figure 3 As shown, the inner wall on the back of the door frame body 101 is fixedly connected to a limited sealing edge 102, and the inner walls on both sides of the door frame body 101 are provided with a card slot 1, and a sealing pad 103 is fixedly installed inside the card slot 1; smoke alarms 107 are fixedly installed on the top of both the front and back sides of the door frame body 101.

[0028] like Figure 4 As shown, a connecting bottom plate 104 is integrally formed at the bottom end of the inner wall on one side of the door frame body 101, a second card slot is opened at the top of the connecting bottom plate 104, an elastic pad 106 is fixedly installed at the bottom end of the inner cavity of the second card slot, and a sealing bottom plate 105 is fixedly connected to the upper surface of the elastic pad 106.

[0029] Combination Figure 2When the auxiliary door panel assembly 3 is closed, the bottom end of the auxiliary door panel assembly 3 squeezes the sealing bottom plate 105, and the sealing bottom plate 105 compresses the elastic pad 106, thereby making the upper surface of the sealing pad 103 fully fit with the bottom end of the auxiliary door panel assembly 3.

[0030] like Figure 2 and Figure 4 As shown, an adapter installation groove 109 is opened at the top of the door frame main body 101, a connecting through groove is opened in the middle of the groove wall on one side of the adapter installation groove close to the auxiliary door panel assembly 3, and a connecting card groove 108 is opened at the top of one side of the door frame main body 101 close to the auxiliary door panel assembly 3, and an installation groove is opened at the top of the other side, and a controller 121 is fixedly installed inside the installation groove.

[0031] The controller 121 establishes a feedback connection with the smoke alarm 107. When the smoke alarm 107 detects a large amount of smoke, the controller 121 automatically controls the smoke barrier and fire protection unit to start working. At the same time, the controller 121 establishes a connection with the building fire protection system. When a fire occurs in the building, the controller 121 automatically controls the smoke barrier and fire protection unit to start working.

[0032] The smoke and fire prevention unit 1 includes an electromagnetic valve 110 and a water connecting pipe 112 which are connected to each other. The electromagnetic valve 110 is fixedly installed inside the connecting groove and is fixedly connected to the water connecting pipe 112 through a high-pressure resistant hose. One end of the electromagnetic valve 110 is fixedly connected to a water inlet pipe head 111, and the water inlet pipe head 111 is connected to a fire water pipe.

[0033] A plurality of diversion water pipes 113 are fixedly connected to the front of the water-guiding connecting pipe 112, a diversion connecting pipe 114 is fixedly installed at the bottom end of the diversion water pipe 113, the diversion connecting pipe 114 passes through the adapter mounting groove 109 and extends downward, an extrusion connecting plate 115 is fixedly connected to the middle of the extended end, and a sealing top plate 116 is fixedly connected to the lower surface of the extrusion connecting plate 115.

[0034] A card slot three is provided on the top inner wall of the door frame body 101, and an extruded connecting plate 115 and a sealing top plate 116 are both installed inside the card slot three; and a plurality of guide lifting columns 117 are fixedly connected to the upper surface of the extruded connecting plate 115, and the top ends of the guide lifting columns 117 penetrate through the top groove wall of the card slot three and extend to the inside of the adapter mounting groove 109.

[0035] The outer walls of multiple guide lifting columns 117 are threadedly sleeved with internally threaded gear cylinders 118, which are rotatably installed on the bottom groove wall of the adapter mounting groove 109, and the interior of the internally threaded gear cylinder 118 is provided with internal threads, and the corresponding outer walls of the guide lifting columns 117 are provided with matching external threads; the outer wall of the internally threaded gear cylinder 118 is provided with teeth, and the backs of multiple internally threaded gear cylinders 118 are meshedly connected with matching tooth plates 119, one end of which is fixedly installed with an electric telescopic rod 120, and the electric telescopic rod 120 is fixedly installed at one end of the adapter mounting groove 109.

[0036] like Figure 7 As shown, the main door panel assembly 2 includes a main door panel body 201 and a smoke and fireproof unit 2. A plurality of hinges 208 are equidistantly fixedly installed on one side of the front of the main door panel body 201 . The hinge 208 is fixedly connected to one side of the door frame body 101 .

[0037] A plurality of adapter mounting holes 209 are provided at the top of the main door panel body 201 , and an adapter card slot is provided at the bottom of the main door panel body 201 . A plurality of connection holes communicating with the adapter mounting holes 209 are provided at the top slot wall of the adapter card slot.

[0038] The second smoke and fire prevention unit includes a plurality of sliding connecting pipes 210 and a connecting water tank 217. The sliding connecting pipes 210 are slidably installed inside the adapter mounting hole 209, and the outer wall of the sliding connecting pipe 210 is sleeved with a strong support spring 213. The bottom end of the strong support spring 213 is fixedly connected with a fixed gasket 214, and the fixed gasket 214 is fitted with the bottom end hole wall of the adapter mounting hole 209.

[0039] A connecting clamp 211 is integrally formed at the top of the sliding connecting tube 210, and a hexagonal clamping groove 212 is opened at the top of the connecting clamp 211; multiple sliding connecting tubes 210 correspond to multiple diversion connecting tubes 114, and when the diversion connecting tube 114 moves downward, the bottom end of the diversion connecting tube 114 is inserted into the hexagonal clamping groove 212 to inject fire water into the sliding connecting tube 210.

[0040] The connecting water tank 217 is slidably installed inside the adapter slot, and a plurality of internally threaded connecting pipes 216 are equidistantly welded at the top of the connecting water tank 217. The plurality of internally threaded connecting pipes 216 are respectively slidably installed inside a plurality of connecting holes, and an externally threaded connecting pipe 215 is installed on the internal threads of the internally threaded connecting pipe 216, and the externally threaded connecting pipe 215 is welded to the bottom end of the sliding connecting pipe 210.

[0041] The bottom end of the water tank 217 is fixedly connected to a plurality of positioning mounting columns 218, the bottom ends of the plurality of positioning mounting columns 218 are fixedly mounted with a fixed connecting plate 219, the outer wall of the fixed connecting plate 219 is fixedly sleeved with a bottom sealing gasket 220, and the bottom end of the water tank 217 is provided with a plurality of water outlet grooves for facilitating the discharge of water flow and soaking the bottom sealing gasket 220.

[0042] A connecting handle 207 is installed in the middle of one side of the front and back sides of the main door panel body 201 close to the auxiliary door panel assembly 3, and a fixed door lock 206 is fixedly installed on the inner wall of the main door panel body 201 below the connecting handle 207.

[0043] like Figure 1 and Figure 5 As shown, a sealing edge 202 is fixedly connected to one side of the front side of the main door panel body 201, a sealing convex strip 203 is fixedly connected to one side of the back side of the sealing edge 202, a sealing groove 204 is opened on one side of the back side of the main door panel body 201, and a convex strip card groove 205 is opened on one side of the front groove wall of the sealing groove 204.

[0044] like Figure 8 As shown, the auxiliary door panel assembly 3 includes an auxiliary door panel body 301 and a plurality of hinges 309 . The plurality of hinges 309 are equidistantly fixedly installed on one side of the front side of the auxiliary door panel body 301 and are fixedly connected to the door frame body 101 .

[0045] A sealing edge 2 302 is fixedly connected to one side of the back of the auxiliary door panel body 301 , and a sealing convex strip 2 303 is fixedly connected to one side of the front of the sealing edge 202 . The sealing edge 2 302 is engaged in the inside of the sealing groove 1 204 , and the sealing convex strip 2 303 is engaged in the inside of the convex strip engaging groove 1 205 .

[0046] A sealing groove 2 304 is provided on one side of the front of the auxiliary door panel body 301 , a convex strip card groove 2 305 is provided on one side of the groove wall on the back of the sealing groove 204 , the sealing edge 1 202 is carded in the sealing groove 2 304 , and the sealing convex strip 1 203 is carded in the sealing groove 2 304 .

[0047] An adapting lock hole 306 is provided in the middle of one side of the auxiliary door panel body 301 close to the main door panel body 201, which is used in conjunction with the fixed door lock 206; and a dowel groove 307 is provided at the bottom of one side of the auxiliary door panel body 301 close to the main door panel body 201, and a fixed dowel groove 308 is slidably installed inside the dowel groove 307, and the bottom end of the fixed dowel 308 can penetrate the connecting bottom plate 104 and the sealing bottom plate 105 to fix the auxiliary door panel body 301 to the door frame body 101.

[0048] When the present embodiment is in use, in the absence of a fire, the main door panel assembly 2 and the auxiliary door panel assembly 3 are in a normally closed state, the main door panel assembly 2 can be opened as required, and should be kept in a closed state after use; when a fire occurs, the smoke alarm 107 detects a large amount of smoke and feeds back to the controller 121, or the building monitoring center detects a fire and sends a command to the controller 121, the controller 121 first turns on the electric telescopic rod 120, the electric telescopic rod 120 extends, driving the matching tooth plate 119 to move, the matching tooth plate 119 engages the internal threaded gear cylinder 118, causing the internal threaded gear cylinder 118 to rotate clockwise, and during the rotation of the internal threaded gear cylinder 118, the threaded guide lifting column 117 is prompted to move downward, and then the extrusion connecting plate 115 and the sealing top plate 116 are driven to move downward, so that the sealing top plate 1 16 is fitted with the main door panel body 201; the extrusion connecting plate 115 is continuously lowered, the sealing top plate 116 is squeezed, the bottom end of the shunt connecting pipe 114 is inserted into the corresponding hexagonal slot 212, and the sliding connecting pipe 210 is squeezed to make the sliding connecting pipe 210 slide downward and squeeze the strong support spring 213; the sliding connecting pipe 210 drives the fixed connecting plate 219 to move downward through the connecting water tank 217 and the positioning installation column 218, and the fixed connecting plate 219 causes the bottom end sealing gasket 220 to fit closely with the ground; then the controller 121 opens the solenoid valve 110, so that the water flow inside the fire-fighting pipe enters the water guide connecting pipe 112, and then enters the connecting water tank 217 through the shunt water pipe 113, the shunt connecting pipe 114, and the sliding connecting pipe 210, and flows out through the water outlet trough.

[0049] Note: In the above content, by continuously twisting the connecting handle 207 for three to five seconds, the controller 121 automatically controls the solenoid valve 110 to close, and controls the electric telescopic rod 120 to retract, so that the main door panel assembly 2 can be opened smoothly.

[0050] Note: The sealing pad 103, sealing bottom plate 105, sealing top plate 116, sealing convex strip 1 203, bottom sealing pad 220, and sealing convex strip 2 303 in the above content are all made of flexible materials, such as high temperature and corrosion resistant modified rubber.

[0051] Embodiment 2: A method for installing a smoke-barrier fire door comprises the following steps: S1: Install the door frame assembly 1; first assemble the door frame assembly 1, then install the door frame assembly 1 to the designated position, then connect the solenoid valve 110 of the smoke and fire protection unit 1 with the fire protection pipe, so that the water flow inside the fire protection pipe can enter the water guide connecting pipe 112 and can flow out from the diversion connecting pipe 114, and the electric telescopic rod 120 can make the matching tooth plate 119 mesh with the internal threaded tooth cylinder 118, and drive the extrusion connecting plate 115 to rise and fall through the corresponding guide lifting column 117; S2: Install the main door panel assembly 2; first assemble the main door panel assembly 2, then connect the main door panel assembly 2 to the door frame body 101 of the door frame assembly 1 through the hinge 1 208, and check the rotation performance of the main door panel assembly 2 to ensure that the bottom sealing gasket 220 has no contact with the ground, and the sliding connection pipe 210 can compress the strong support spring 213 through the connection clamp 211; S3: Install the auxiliary door panel assembly 3; first assemble the auxiliary door panel assembly 3, then connect the auxiliary door panel assembly 3 to the door frame body 101 of the door frame assembly 1 through the hinge 2 309, and check the rotation performance of the auxiliary door panel assembly 3, and the fixing dowel 308 can be inserted into the sealing bottom plate 105 to fix the auxiliary door panel body 301 to the door frame body 101; S4: Performance test; close the main door panel body 201 and the auxiliary door panel body 301, then start the electric telescopic rod 120 through the controller 121, and open the solenoid valve 110, so that the whole device works according to the working method of Example 1, so that the fire water flow enters the smoke and fire protection unit 1 and the smoke and fire protection unit 2, and the smoke blocking performance of the whole device and the flow performance of the water flow are tested.

[0052] The above description is only the preferred embodiment of the present application and is not intended to limit the present application. For those skilled in the art, the present application may have various modifications and variations. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present application shall be included in the protection scope of the present application.

Claims

1. A smoke-proof fire door, characterized in that: include: A door frame assembly (1), the door frame assembly (1) comprising a door frame body (101) and a smoke and fireproofing unit 1, the top of the door frame body (101) being provided with an adaptor mounting groove (109), the smoke and fireproofing unit 1 being arranged inside the adaptor mounting groove (109), the smoke and fireproofing unit 1 comprising an electromagnetic valve (110) and a water guide connecting pipe (112) connected to each other, a plurality of diversion water pipes (113) being fixedly connected to the front of the water guide connecting pipe (112), a diversion connecting pipe (114) being fixedly installed at the bottom end of the diversion water pipe (113), an extrusion connecting plate (115) being fixedly connected to the middle of the diversion connecting pipe (114), and a sealing top plate (116) being fixedly connected to the lower surface of the extrusion connecting plate (115); A main door panel assembly (2), the main door panel assembly (2) comprising a main door panel body (201) and a second smoke and fireproofing unit, the second smoke and fireproofing unit being arranged inside the main door panel body (201), the second smoke and fireproofing unit comprising a plurality of sliding connection pipes (210) and a connection water tank (217), the bottom end of the connection water tank (217) being fixedly connected to a plurality of positioning mounting columns (218), the bottom ends of the plurality of positioning mounting columns (218) being fixedly mounted with a fixed connection plate (219), the outer wall of the fixed connection plate (219) being fixedly sleeved with a bottom end sealing gasket (220), the top end of the connection water tank (217) being fixedly connected to a plurality of internally threaded connection pipes (216), the interior of the internally threaded connection pipes (216) being fixedly mounted with externally threaded connection pipes (215), the plurality of externally threaded connection pipes (215) being respectively fixedly connected to the bottom ends of the plurality of sliding connection pipes (210); A secondary door panel assembly (3), the secondary door panel assembly (3) comprising a secondary door panel body (301) and a plurality of hinges (309), the plurality of hinges (309) being fixedly mounted at equal intervals on one side of the front face of the secondary door panel body (301).

2. A smoke-barrier fire door according to claim 1, characterized in that: Sealing pads (103) are fixedly mounted on both inner walls of the door frame body (101), and a connecting bottom plate (104) is fixedly connected to the bottom end of the inner wall of one side of the door frame body (101), a sealing bottom plate (105) is clamped on the top end of the connecting bottom plate (104), and an elastic pad (106) is fixedly connected to the lower surface of the sealing bottom plate (105).

3. The smoke-barrier fire door according to claim 1, characterized in that: A plurality of guide lifting columns (117) are fixedly connected to the upper surface of the extruded connection plate (115), wherein the outer walls of the plurality of guide lifting columns (117) are threadedly sleeved with internally threaded gear cylinders (118), and the outer walls of the plurality of internally threaded gear cylinders (118) are meshingly connected with matching gear plates (119), and an electric telescopic rod (120) is fixedly mounted on one end of the matching gear plate (119).

4. The smoke-barrier fire door according to claim 1, characterized in that: A limited sealing edge (102) is fixedly connected to the back side of the inner wall of the door frame body (101), a controller (121) is fixedly mounted on one side of the top of the door frame body (101), a connecting slot (108) is provided on the other side, and smoke alarms (107) are fixedly mounted on the tops of both the front and back sides of the door frame body (101).

5. The smoke-barrier fire door according to claim 1, characterized in that: A plurality of adapting installation holes (209) are provided at the top of the main door panel body (201), the sliding connection tube (210) is slidably installed inside the adapting installation hole (209), and a plurality of hinges (208) are fixedly installed at equal intervals on one side of the front side of the main door panel body (201).

6. The smoke-barrier fire door according to claim 1, characterized in that: A strong support spring (213) is slidably sleeved on the outer wall of the sliding connection tube (210), a fixed washer (214) is fixedly connected to the bottom end of the strong support spring (213), and a connecting clamp (211) is fixedly connected to the top end of the sliding connection tube (210), and a hexagonal clamping groove (212) is provided at the top end of the connecting clamp (211).

7. The smoke-barrier fire door according to claim 1, characterized in that: A sealing edge (202) is fixedly connected to one side of the front side of the main door panel body (201), a sealing convex strip (203) is fixedly connected to one side of the back side of the sealing edge (202), a sealing groove (204) is provided on one side of the back side of the main door panel body (201), and a convex strip card groove (205) is provided on one side of the front groove wall of the sealing groove (204).

8. The smoke-barrier fire door according to claim 1, characterized in that: A sealing edge 2 (302) is fixedly connected to one side of the back side of the auxiliary door panel main body (301), a sealing convex strip 2 (303) is fixedly connected to one side of the front side of the sealing edge 2 (302), a sealing groove 2 (304) is provided on one side of the front side of the auxiliary door panel main body (301), and a convex strip card groove 2 (305) is provided on one side of the groove wall of the back side of the sealing groove 2 (304).

9. The smoke-barrier fire door according to claim 1, characterized in that: The main door panel body (201) is rotatably connected to the door frame body (101) via hinge 1 (208), the auxiliary door panel body (301) is rotatably connected to the door frame body (101) via hinge 2 (309), and the main door panel body (201) is engaged with the auxiliary door panel body (301).

10. A method for installing a smoke-barrier fire door according to any one of claims 1 to 9, characterized in that: The steps include: S1: installing the door frame assembly (1); first assembling the door frame assembly (1), then installing the door frame assembly (1) to a designated position, and then establishing a connection between the solenoid valve (110) of the smoke and fire protection unit 1 and the fire protection pipe, so that the water flow inside the fire protection pipe can enter the water guide connecting pipe (112); S2: installing the main door panel assembly (2); first assembling the main door panel assembly (2), then connecting the main door panel assembly (2) to the door frame body (101) of the door frame assembly (1) via hinge 1 (208), and inspecting the rotation performance of the main door panel assembly (2); S3: installing the auxiliary door panel assembly (3); first assembling the auxiliary door panel assembly (3), then connecting the auxiliary door panel assembly (3) to the door frame body (101) of the door frame assembly (1) via the second hinge (309), and inspecting the rotation performance of the auxiliary door panel assembly (3); S4: Performance test; the main door panel body (201) and the auxiliary door panel body (301) are closed, and then the electric telescopic rod (120) is started through the controller (121), and the solenoid valve (110) is opened to allow the fire water flow to enter the smoke and fire protection unit 1 and the smoke and fire protection unit 2, and the smoke blocking performance of the overall device and the flow performance of the water flow are tested.

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