Anti-blocking fire-fighting smoke exhaust device

Abstract

The utility model relates to the technical field of fire protection engineering, and discloses an anti-blocking type fire protection smoke exhaust device which comprises a filter box, and the two opposite sides of the filter box are fixedly connected with a smoke inlet pipeline and a smoke outlet pipeline correspondingly. According to the anti-blocking type fire-fighting smoke exhaust device, by arranging fastening bolts, when a top cover is mounted, people place the top cover in a mounting frame, after placement is completed, people screw a plurality of rotating blocks and move a plurality of fastening bolts to the top of the top cover, and after moving is completed, people rotate a plurality of fastening bolts and push an extrusion block to move downwards; the bottom of an extrusion block is clamped in an extrusion hole, a plurality of fastening bolts are screwed, through the pressing design of the fastening bolts, sealing of the cover plate can be enhanced, smoke leakage can be prevented, meanwhile, under the action of a convex sealing strip and a concave sealing strip, tight contact can be formed between the top cover and the mounting frame, the sealing effect is further improved, and smoke is prevented from escaping.

Description

TECHNICAL FIELD

[0001] The application relates to the technical field of fire engineering, in particular to a fire smoke exhaust device capable of preventing blockage. BACKGROUND

[0002] A smoke control system is a general term for a smoke control system and a smoke exhaust system. The smoke control system adopts a mechanical pressurized air supply mode or a natural ventilation mode, and is a system for preventing smoke from entering an evacuation passage. The smoke exhaust system adopts a mechanical smoke exhaust mode or a natural ventilation mode, and is a system for exhausting smoke to the outside of a building. The smoke control system is an important fire-fighting facility in fire engineering.

[0003] The existing patent (publication number: CN 221881694 U) discloses a building fire smoke exhaust device, which belongs to the technical field of smoke exhaust devices. The building fire smoke exhaust device comprises a smoke exhaust pipeline, an output shaft of a motor is fixedly connected with a rotating shaft penetrating through the smoke exhaust pipeline, an outer side of the rotating shaft is sleeved with a frame body connected with the smoke exhaust pipeline, a plurality of insertion grooves are uniformly formed on an upper surface of the frame plate, a filter element is inserted into each insertion groove, a rectangular through hole is formed on an upper surface of the smoke exhaust pipeline, and a cover plate is hingedly connected to an inner side of the rectangular through hole. The building fire smoke exhaust device is started by the motor, the frame plate connected with the output shaft of the motor is driven to rotate, and the frame body is used in cooperation, so that the filter element can continuously rotate, the service life is increased, the filter element is inserted into the insertion groove, the filter element is convenient to replace, the building fire smoke exhaust device is provided with the filter element inside the building fire smoke exhaust device to reduce pollution of external air, the filter element is fixed in position, the filter element needs to be cleaned frequently, and the filter element is not convenient to replace.

[0004] Although the device in the above-mentioned comparative document solves the problem that the building fire smoke exhaust device is provided with the filter element inside the building fire smoke exhaust device to reduce pollution of external air, the filter element is fixed in position, the filter element needs to be cleaned frequently, and the filter element is not convenient to replace, the device has poor sealing performance, the cover plate is closed only by relying on the self-weight or simple hinging, and high-temperature smoke gas may escape from the edge of the cover plate. In order to solve the above-mentioned problems, the fire smoke exhaust device capable of preventing blockage is provided. TECHNICAL SOLUTION

[0005] In view of the defects of the prior art, the fire smoke exhaust device capable of preventing blockage has the advantages of high sealing performance and solves the problem that the cover plate is closed only by relying on the self-weight or simple hinging, and high-temperature smoke gas escapes from the edge of the cover plate.

[0006] To achieve the above object, the application provides the following technical scheme: a fire-fighting smoke exhaust device capable of preventing blockage, comprising a filter box, opposite sides of the filter box are respectively fixedly connected with an inlet smoke pipeline and an outlet smoke pipeline, an air exhaust structure is arranged in the outlet smoke pipeline, a mounting frame is fixedly connected to the top of the filter box, a top cover is clamped in the mounting frame, an activated carbon filter plate and a filter screen plate are fixedly connected to the bottom of the top cover.

[0007] A fixing rod is fixedly connected to each of the four corners of the top of the mounting frame, a rotating block is rotatably connected to the top end of the fixing rod through a bearing, a connecting plate is fixedly connected to the surface of the rotating block, a threaded cap is fixedly connected in the connecting plate, a fastening bolt is threadedly connected in the threaded cap, an extrusion block is fixedly connected to the bottom end of the fastening bolt, an extrusion hole is formed in each of the four corners of the top of the top cover, the bottom end of the extrusion block is clamped in the extrusion hole, a convex sealing strip is fixedly connected to the bottom end in the mounting frame, a concave sealing strip is fixedly connected to the bottom of the top cover, the convex sealing strip is clamped in the concave sealing strip, a positioning disc is fixedly connected to each of the four corners of the top of the mounting frame, a plurality of contraction grooves are formed in the rotating block, a connecting spring is fixedly connected to the top end in the contraction groove, a positioning block is fixedly connected to the bottom end of the connecting spring, the bottom end of the positioning block is clamped in the positioning disc, a sliding cylinder is fixedly connected to the top end of the positioning block, and the sliding cylinder is slidingly connected in the contraction groove.

[0008] Through the above scheme, by arranging the fastening bolt, when the top cover is installed in the mounting frame, the top cover is placed in the mounting frame, after the placement is completed, the rotating blocks are twisted, the fastening bolts are moved to the top of the top cover, after the movement is completed, the fastening bolts are rotated, the extrusion block is pushed downward, the bottom of the extrusion block is clamped in the extrusion hole, and the fastening bolts are screwed, the sealing of the cover plate can be strengthened by the compression design of the fastening bolt, the leakage of smoke can be prevented, under the action of the convex sealing strip and the concave sealing strip, the top cover and the mounting frame can be in close contact, the sealing effect is further improved, and the escape of smoke is avoided.

[0009] Further, a fixing box is fixedly connected to the top of the top cover, a fixing shell is fixedly connected to the top of the fixing box, a rotating rod is rotatably connected to the top of the fixing box and the bottom of the fixing shell through a bearing, a threaded rod and a first gear are fixedly connected to the bottom end and the top end of the rotating rod, respectively.

[0010] Through the above scheme, by arranging the fixing box, the rotating rod and related moving parts can be fixed and supported, and the stable operation of the rotating rod and other parts can be ensured.

[0011] Further, a threaded cylinder is threadedly connected to the surface of the threaded rod, a sliding block is fixedly connected to the surface of the threaded cylinder, a stepping motor is fixedly connected to the bottom end in the fixing shell, a second gear is fixedly connected to the output end of the stepping motor, and the first gear and the second gear are meshed with each other.

[0012] Through the above scheme, by setting the stepper motor, the movement of the scraper and the spray head can be powered controlled.

[0013] Further, the bottom end of the sliding block slides through the fixed box, and the scraper and the metal spray head are fixedly connected.

[0014] Through the above scheme, through the movement of the scraper, the dust attached to the filter screen plate can be scraped off.

[0015] Further, the rotating rod, the threaded rod and the top of the fixed shell are all provided with through holes, and the connecting hose is placed in the through holes, and the output end of the connecting hose is fixedly connected to the input end of the metal spray head.

[0016] Through the above scheme, through the connecting hose, the external water source or the cleaning agent can be connected, and then through the spraying assistance of the metal spray head, the stubborn stains and residues can be removed, so that the cleaning effect of the filter screen plate can be improved.

[0017] Further, the sliding block is provided with a heat insulation layer inside.

[0018] Through the above scheme, by setting the heat insulation layer, the connecting hose inside the sliding block can be protected from high temperature.

[0019] Further, the top of the top cover is fixedly connected with two handles.

[0020] Through the above scheme, by setting the handle, the disassembly operation of the top cover is facilitated, and the maintenance convenience is improved.

[0021] Further, the bottom of the filter box is fixedly connected with a drain valve.

[0022] Through the above scheme, by setting the drain valve at the bottom of the filter box, the deposited dirt or liquid can be discharged regularly, and the maintenance frequency can be reduced.

[0023] Compared with the prior art, the technical scheme of the present application has the following beneficial effects:

[0024] The anti-clogging fire smoke exhaust device is provided with a plurality of fastening bolts, and when the top cover is installed, the top cover is placed in the installation frame, and after the placement is completed, the plurality of rotating blocks are twisted to move the plurality of fastening bolts to the top of the top cover, and after the movement is completed, the plurality of fastening bolts are rotated to push the extrusion block downward, so that the extrusion block is clamped in the extrusion hole at the bottom, and the plurality of fastening bolts are tightened, and the sealing of the cover plate can be strengthened to prevent smoke leakage, and under the action of the convex sealing strip and the concave sealing strip, the top cover and the installation frame can be in close contact, and the sealing effect is further improved, and smoke escape is avoided. BRIEF DESCRIPTION OF DRAWINGS

[0025] Figure 1 It is a front view structural schematic diagram of the present application;

[0026] Figure 2 It is a front view structural schematic diagram of the present application;

[0027] Figure 3 It is Figure 1 It is a front view structural schematic diagram of the present application;

[0028] Figure 4 It is Figure 2 It is a front view structural schematic diagram of the present application;

[0029] Figure 5 It is Figure 2 It is a front view structural schematic diagram of the present application.

[0030] In the figure:

[0031] 1, filter box; 101, smoke inlet pipe; 102, smoke outlet pipe; 103, mounting frame; 104, convex sealing strip; 105, contraction groove; 106, fixed rod; 107, rotating block; 108, connecting plate; 109, threaded cap; 1010, fastening bolt; 1011, extrusion block; 1012, positioning disc; 1013, connecting spring; 1014, positioning block; 1015, sliding cylinder;

[0032] 2, top cover; 201, concave sealing strip; 202, extrusion hole; 203, handle; 204, fixed box; 205, activated carbon filter plate; 206, filter screen plate; 207, fixed shell; 208, rotating rod; 209, threaded rod; 2010, first gear; 2011, stepping motor; 2012, second gear; 2013, threaded cylinder; 2014, sliding block; 2015, through hole; 2016, connecting hose; 2017, scraper; 2018, metal nozzle; 2019, heat insulation layer; 2020, drain valve. DETAILED DESCRIPTION

[0033] 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 of the present application. 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.

[0034] Please refer to Figure 1 and Figure 3The anti-blocking fire smoke exhaust device in the embodiment comprises a filter box 1, the opposite sides of the filter box 1 are fixedly connected with an inlet smoke pipeline 101 and an outlet smoke pipeline 102 respectively, the outlet smoke pipeline 102 is internally provided with an exhaust structure, the top of the filter box 1 is fixedly connected with a mounting frame 103, the mounting frame 103 is internally clamped with a top cover 2, the bottom of the top cover 2 is fixedly connected with an activated carbon filter plate 205 and a filter screen plate 206, the activated carbon filter plate 205 is arranged to remove harmful gases and odors in smoke by using the adsorption performance of activated carbon, so that the content of toxic and harmful components in smoke can be significantly reduced, and air quality can be improved, the filter screen plate 206 is arranged to intercept and intercept small solid particles, so that the cleanliness of smoke is further improved, and the passing of tiny particles is prevented.

[0035] The top of the mounting frame 103 is fixedly connected with a fixed rod 106 at four corners, the top end of the fixed rod 106 is rotatably connected with a rotating block 107 through a bearing, the surface of the rotating block 107 is fixedly connected with a connecting plate 108, the connecting plate 108 is fixedly connected with a threaded cap 109 inside, the threaded cap 109 is internally and threadedly connected with a fastening bolt 1010, the bottom end of the fastening bolt 1010 is fixedly connected with an extrusion block 1011, the top of the top cover 2 is provided with an extrusion hole 202 at four corners, the bottom end of the extrusion block 1011 is clamped in the extrusion hole 202, the bottom end of the mounting frame 103 is fixedly connected with a convex sealing strip 104 inside, the bottom of the top cover 2 is fixedly connected with a concave sealing strip 201, the convex sealing strip 104 is clamped in the concave sealing strip 201, the top of the mounting frame 103 is fixedly connected with a positioning disc 1012 at four corners, a plurality of contraction grooves 105 are formed in the rotating block 107, a connecting spring 1013 is fixedly connected with the inside top end of the contraction groove 105, a positioning block 1014 is fixedly connected with the bottom end of the connecting spring 1013, the bottom end of the positioning block 1014 is clamped in the positioning disc 1012, the top end of the positioning block 1014 is fixedly connected with a sliding cylinder 1015, the sliding cylinder 1015 is slidingly connected in the contraction groove 105, the fastening bolt 1010 is arranged to install the top cover 2, when the top cover 2 is placed in the mounting frame 103, after the placement is completed, the rotating block 107 is twisted to move the fastening bolt 1010 to the top of the top cover 2, after the movement is completed, the fastening bolt 1010 is rotated to push the extrusion block 1011 to move downward, the bottom of the extrusion block 1011 is clamped in the extrusion hole 202, and the fastening bolt 1010 is tightened, the extrusion block 1011 is pressed by the fastening bolt 1010, so that the sealing of the cover plate is strengthened to prevent smoke leakage, the top cover 2 and the mounting frame 103 are in close contact under the action of the convex sealing strip 104 and the concave sealing strip 201, so that the sealing effect is further improved, and smoke leakage is avoided.

[0036] Please refer to Figure 1 , Figure 4 and Figure 5The top of the top cover 2 is fixedly connected with a fixed box 204, the top of the fixed box 204 is fixedly connected with a fixed shell 207, the top of the fixed box 204 and the bottom of the fixed shell 207 are rotatably connected with a rotating rod 208 through a bearing, the bottom end and the top end of the rotating rod 208 are fixedly connected with a threaded rod 209 and a first gear 2010 respectively, the fixed box 204 is arranged, the rotating rod 208 and related moving parts can be fixed and supported, the stable operation of the rotating rod 208 and other parts can be ensured, the surface of the threaded rod 209 is threadedly connected with a threaded cylinder 2013, the surface of the threaded cylinder 2013 is fixedly connected with a sliding block 2014, the bottom end in the fixed shell 207 is fixedly connected with a stepping motor 2011, the output end of the stepping motor 2011 is fixedly connected with a second gear 2012, the first gear 2010 and the second gear 2012 are meshed with each other, the stepping motor 2011 operates, the second gear 2012 can rotate, through the meshing of the first gear 2010 and the second gear 2012, the rotating rod 208 and the threaded rod 209 can be driven to rotate, the threaded cylinder 2013 can move on the surface of the threaded rod 209, the sliding block 2014 at the bottom end slides through the fixed box 204 and is fixedly connected with a scraper 2017 and a metal nozzle 2018, through the movement of the scraper, the soot attached to the filter screen plate 206 can be scraped off, the rotating rod 208, the threaded rod 209 and the top of the fixed shell 207 are all provided with through holes 2015, a connecting hose 2016 is placed in the through holes 2015, the output end of the connecting hose 2016 is fixedly connected with the input end of the metal nozzle 2018, through the connecting hose 2016, an external water source or a cleaning agent can be connected, then the stubborn stains and residues can be removed through the spraying assistance of the metal nozzle 2018, so that the cleaning effect of the filter screen plate 206 can be improved.

[0037] Please refer to Figure 1 、 Figure 2 and Figure 3 , a heat insulation layer 2019 is arranged in the sliding block 2014, through the arrangement of the heat insulation layer 2019, the connecting hose 2016 in the sliding block 2014 can be protected, and the connecting hose 2016 is prevented from being affected by high temperature, the top of the top cover 2 is fixedly connected with two handles 203, through the arrangement of the handles 203, the top cover 2 can be conveniently disassembled and operated, and the maintenance convenience is improved, the bottom of the filter box 1 is fixedly connected with a drain valve 2020, through the arrangement of the drain valve 2020 at the bottom of the filter box 1, deposited dirt or liquid can be discharged regularly, and the maintenance frequency is reduced.

[0038] In the embodiment, by setting the fastening bolts 1010, people rotate the plurality of fastening bolts 1010, push the extrusion block 1011 to move downward, make the bottom of the extrusion block 1011 clamped in the extrusion hole 202, and tighten the plurality of fastening bolts 1010. By the compression design of the fastening bolts 1010, the sealing of the cover plate can be strengthened to prevent smoke leakage. At the same time, under the action of the convex sealing strip 104 and the concave sealing strip 201, the top cover 2 and the mounting frame 103 can form a close contact, further improving the sealing effect and avoiding smoke escape.

[0039] The working principle of the above embodiment is as follows: in use, people place the top cover 2 in the mounting frame 103, after placement, people turn the plurality of rotating blocks 107 to move the plurality of fastening bolts 1010 to the top of the top cover 2, after moving, people rotate the plurality of fastening bolts 1010 to push the extrusion block 1011 to move downward, make the bottom of the extrusion block 1011 clamped in the extrusion hole 202, and tighten the plurality of fastening bolts 1010. After tightening, the device can be used. The smoke flows into the filter box 1 through the smoke inlet pipe 101, and is filtered by the double filtering of the filter screen plate 206 and the activated carbon filter plate 205, so that the smoke can be efficiently purified. The clean gas after filtration can be discharged through the smoke outlet pipe 102. The internal exhaust structure can enhance the flow efficiency of the smoke.

[0040] When it is necessary to disassemble and maintain the activated carbon filter plate 205 and the filter screen plate 206, people rotate the plurality of knobs to rotate the fastening bolts 1010 to separate the extrusion block 1011 from the extrusion hole 202. After separation, people turn the rotating block 107 to move the fastening bolts 1010 out of the top of the top cover 2. After moving out, people can disassemble the cover plate. After disassembly, the activated carbon filter plate 205 and the filter screen plate 206 can be disassembled and maintained.

[0041] By setting the stepping motor 2011, the stepping motor 2011 can rotate the second gear 2012. Through the meshing of the first gear 2010 and the second gear 2012, the rotating rod 208 and the threaded rod 209 can be rotated. The threaded cylinder 2013 can move on the surface of the threaded rod 209. The scraper 2017 and the metal spray head 2018 can be pushed downward. By moving the scraper 2017 downward, the impurities on the surface of the filter screen plate 206 can be cleaned. At the same time, the connecting hose 2016 can be connected to an external water source or a cleaning agent. How to assist in spraying through the metal spray head 2018 can improve the cleaning effect of the filter screen plate 206.

[0042] It is to be understood that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting; it is not intended to exclude myriad other embodiments of the present application that other inventors can develop based on the same general inventive concepts embodied by the enclosed claims. That is, although the present application is described in terms of particular embodiments and illustrative figures, it should be apparent that the application can be varied in a multitude of ways. Such alterations, many of which will be apparent to those skilled in the art, can be based on current technology, and as such, this application should not be limited to the particular embodiments described herein, but should be understood to include all embodiments that are within the scope of the appended claims and their equivalents.

[0043] While the embodiments of the application have been shown and described herein, it will be understood by those skilled in the art that many changes, modifications, substitutions and alterations to these embodiments can be made without departing from the principles and spirits of the application, which can be limited only by the scope of the appended claims and their equivalents.

Claims

1. A fire smoke extraction device of the anti-clogging type comprising a filter box (1), characterized in that: The filter box (1) is fixedly connected with an inlet pipe (101) and an outlet pipe (102) on opposite sides, respectively, an air exhaust structure is arranged inside the outlet pipe (102), the filter box (1) is fixedly connected with a mounting frame (103) on the top, the mounting frame (103) is clamped with a top cover (2) inside, the top cover (2) is fixedly connected with an activated carbon filter plate (205) and a filter screen plate (206) on the bottom. The mounting frame (103) is fixedly connected with a fixed rod (106) on the top of each corner, the fixed rod (106) is rotatably connected with a rotating block (107) on the top end through a bearing, the rotating block (107) is fixedly connected with a connecting plate (108) on the surface, the connecting plate (108) is fixedly connected with a threaded cap (109) inside, the threaded cap (109) is threadedly connected with a fastening bolt (1010) inside, the fastening bolt (1010) is fixedly connected with an extrusion block (1011) on the bottom end, the top cover (2) is provided with an extrusion hole (202) on the top of each corner, the extrusion block (1011) is clamped in the extrusion hole (202) on the bottom end, the mounting frame (103) is fixedly connected with a convex sealing strip (104) on the inside and bottom end, the top cover (2) is fixedly connected with a concave sealing strip (201) on the bottom, the convex sealing strip (104) is clamped in the concave sealing strip (201), the mounting frame (103) is fixedly connected with a positioning disc (1012) on the top of each corner, a plurality of contraction grooves (105) are arranged in the rotating block (107), the contraction groove (105) is fixedly connected with a connecting spring (1013) on the inside and top end, the connecting spring (1013) is fixedly connected with a positioning block (1014) on the bottom end, the positioning block (1014) is clamped in the positioning disc (1012) on the bottom end, the positioning block (1014) is fixedly connected with a sliding cylinder (1015) on the top end, and the sliding cylinder (1015) is slidingly connected in the contraction groove (105).

2. A clog resistant fire smoke evacuation device according to claim 1, wherein: The top cover (2) is fixedly connected with a fixed box (204) on the top, the fixed box (204) is fixedly connected with a fixed shell (207) on the top, and the fixed box (204) is rotatably connected with a rotating rod (208) on the top and the bottom of the fixed shell (207) through a bearing, and the rotating rod (208) is fixedly connected with a threaded rod (209) and a first gear (2010) on the bottom end and the top end, respectively.

3. A clog resistant fire smoke evacuation device according to claim 2, wherein: The threaded rod (209) is threadedly connected with a threaded cylinder (2013) on the surface, the threaded cylinder (2013) is fixedly connected with a sliding block (2014) on the surface, the fixed shell (207) is fixedly connected with a stepping motor (2011) on the inside and bottom end, the stepping motor (2011) is fixedly connected with a second gear (2012) on the output end, and the first gear (2010) and the second gear (2012) are meshed with each other.

4. A clog resistant fire smoke evacuation device according to claim 3, wherein: The sliding block (2014) is slidingly connected with a scraper (2017) and a metal nozzle (2018) on the bottom end.

5. A clog resistant fire smoke evacuation device according to claim 4, wherein: The rotating rod (208), the threaded rod (209) and the top of the fixed shell (207) are all provided with through holes (2015), a connecting hose (2016) is placed in the through holes (2015), and the output end of the connecting hose (2016) is fixedly connected to the input end of a metal spray head (2018).

6. A clog resistant fire smoke evacuation device according to claim 3, wherein: The sliding block (2014) is internally provided with a heat insulation layer (2019).

7. A clog resistant fire smoke evacuation device according to claim 1, wherein: The top cover (2) is fixedly connected with two handles (203) at the top.

8. A clog resistant fire smoke evacuation device according to claim 1, wherein: The filter box (1) is fixedly connected with a discharge valve (2020) at the bottom.

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