Fireproof door capable of preventing smoke from overflowing
By setting up a installation component in the fire door, the cleaning brush can be disassembled and cleaned, and the cooling function of the atomized nozzle and water tank is used to solve the problem of cleaning and brushing impurities and lack of cooling function in the existing fire door. And high temperature resistance.
Patent Information
- Application Number
- CN202323400370.8
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2023-12-13
- Publication Date
- 2025-01-28
- Estimated Expiration
- 2033-12-13
AI Technical Summary
The existing intelligent fire-fighting fire doors that are anti-fuel gas leakage are prone to impurities after long-term use of the cleaning brush, which affects the cleaning quality of the observation window, and lacks the cooling function of the fire door body.
Design a fire door with a non -flue gas overflow. By setting up a installation component to make the cleaning brush, disassembly and cleaning, avoid impurities attachment, and set the atomized nozzle and water tank in the door frame. Realize cooling.
Effectively avoid the problem of cleaning the impurities after long -term use, improve the cleaning quality of the observation window, and improve the high temperature resistance of the fire door body through the cooling function.
Smart Images

Figure CN222414629U_ABST
Abstract
Description
Technical Field
[0001] The utility model belongs to the technical field of fireproof doors, and in particular relates to a fireproof door capable of preventing smoke from overflowing. Background Art
[0002] Chinese patent application No. 2022226158863 discloses an intelligent fire door for fire prevention against smoke leakage, including a door frame, an observation window, a smoke prevention mechanism and a baffle. The left end of the inner wall of the door frame is hingedly connected with the fire door body; at the same time, a second connection frame is opened inside the lower front end of the door frame, and a smoke alarm is installed inside the second connection frame; the observation window is embedded and connected inside the middle and upper end of the fire door body, and the dust cleaning mechanism is arranged at the front end of the fire door body; the smoke prevention mechanism is arranged at the upper end of the fire door body, and the smoke prevention mechanism includes a first connection frame, a filter screen, an activated carbon filter layer, a connection pipe and an air pump; the baffle is rotatably connected to the left front end of the second connection frame. The intelligent fire door for fire prevention against smoke leakage is convenient for cleaning the observation window to prevent dust from sticking to the observation window, and it is easy to handle smoke to prevent smoke leakage from affecting the environment, and it is convenient to protect the smoke alarm.
[0003] The above-mentioned patent discloses a cleaning brush to clean the observation window, but the cleaning brush cannot be disassembled for cleaning. Impurities are easily attached to the cleaning brush after long-term use, which affects the subsequent cleaning quality of the observation window. At the same time, the original device does not have the function of cooling the fire door body, and the fire door body cannot be cooled when a fire occurs. Utility Model Content
[0004] In order to solve the problems raised in the above background technology, the utility model provides a fire door that can prevent smoke from overflowing, which has the feature that a cleaning brush can be disassembled and assembled for cleaning.
[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a fire door that prevents smoke overflow, comprising a door frame, a fire door body is arranged in the door frame, a smoke alarm is arranged on the lower side of the interior of the fire door body, a baffle is rotatably connected to a position corresponding to the smoke alarm at one end of the fire door body, a filtering and exhausting mechanism is arranged on the upper side of the fire door body, an observation window is arranged on the lower side of the fire door body, a connecting shaft is arranged at a position corresponding to the observation window at one end of the fire door body, a cleaning brush is arranged on the connecting shaft, a driving mechanism is arranged at a position corresponding to the connecting shaft at one end of the fire door body, and the cleaning brush is connected to the connecting shaft through an installation component.
[0006] Preferably, the mounting assembly includes a mounting plate, an arc groove 1, an arc groove 2, a side plate, a fixing bolt, a slot and a convex strip, wherein an arc groove 1 corresponding to the connecting shaft is provided at one end of the cleaning brush, a mounting plate is provided at one end of the cleaning brush, an arc groove 2 corresponding to the connecting shaft is provided at one end of the mounting plate, side plates are provided at both ends of the cleaning brush and the mounting plate, the two side plates are connected by fixing bolts, a convex strip is provided in the arc groove 2, and a slot corresponding to the convex strip is provided at one end of the connecting shaft.
[0007] Preferably, the mounting assembly further comprises a positioning rod and a positioning hole, wherein positioning rods are arranged on both sides of one end of the cleaning brush, and a positioning hole corresponding to the positioning rod is arranged at one end of the mounting plate.
[0008] Preferably, after the convex strip enters the slot, the side edge of the convex strip is in close contact with the inner wall of the slot, threaded holes corresponding to the fixing bolts are arranged on the side plate, and the side plate and the mounting plate are a welded integral structure.
[0009] Preferably, a fixed pipe is provided on the upper side of one end of the door frame, the fixed pipe and the door frame are connected by a support column, a plurality of atomizing nozzles are provided at the lower end of the fixed pipe, a water tank is provided on one side of the upper end of the door frame, a water pump is provided at one end of the water tank, and the water pump and the fixed pipe are connected by a water pipe.
[0010] Preferably, the lower end of the atomizing nozzle is higher than the upper end of the fire door body, a water injection pipe is provided at one end of the water tank, and the support column and the fixed pipe as well as the support column and the door frame are spot welded.
[0011] Compared with the prior art, the beneficial effects of the utility model are:
[0012] 1. The utility model sets a mounting assembly. When the cleaning brush is installed, one end of the cleaning brush is fitted onto the connecting shaft through the arc groove one, and then the mounting plate is fitted onto the connecting shaft through the arc groove two. At the same time, the convex strip at one end of the mounting plate enters the slot of the connecting shaft, and then the mounting plate and the cleaning brush are connected and fixed by the fixing bolts and the side plate, so as to achieve the effect of fixing the cleaning brush. The fixing bolts are screwed out from the side plate, and the cleaning brush and the mounting plate can be removed from the connecting shaft. The cleaning brush can be disassembled and assembled for cleaning by setting the mounting assembly, so as to avoid the cleaning brush being attached with impurities after long-term use, which affects the subsequent cleaning quality of the observation window.
[0013] 2. The utility model supports and fixes the fixed pipe by arranging atomizing nozzles, and the support column supports and fixes the fixed pipe. When a fire occurs, the water pump is turned on, and the water pump transports the water in the water tank to the fixed pipe through the water pipe. A plurality of atomizing nozzles at the lower end of the fixed pipe spray water onto the fire door body, thereby achieving the effect of cooling the fire door body. The atomizing nozzles can be used to dissipate heat and cool the fire door body, so that the high temperature resistance of the fire door body is better, thereby improving the use quality of the fire door body. BRIEF DESCRIPTION OF THE DRAWINGS
[0014] Figure 1 It is a three-dimensional diagram of the utility model;
[0015] Figure 2 This is a three-dimensional diagram of the cleaning brush of the utility model when it is installed;
[0016] Figure 3 This is a three-dimensional diagram of the installation plate of the utility model;
[0017] In the figure: 1. Fire door body; 2. Door frame; 3. Connecting shaft; 4. Mounting assembly; 41. Mounting plate; 42. Arc groove 1; 43. Arc groove 2; 44. Side plate; 45. Fixing bolt; 46. Slot; 47. Positioning rod; 48. Raised strip; 49. Positioning hole; 5. Support column; 6. Water tank; 7. Water pump; 8. Water pipe; 9. Fixed pipe; 10. Atomizing nozzle; 11. Filtering and exhausting smoke mechanism; 12. Observation window; 13. Cleaning brush; 14. Shielding plate; 15. Smoke alarm; 16. Driving mechanism. DETAILED DESCRIPTION
[0018] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.
[0019] Example 1
[0020] See also Figure 1-3 The utility model provides the following technical solutions: a fire door for preventing smoke overflow, comprising a door frame 2, a fire door body 1 is arranged in the door frame 2, a smoke alarm 15 is arranged on the lower side of the interior of the fire door body 1, a shielding plate 14 is rotatably connected to a position corresponding to the smoke alarm 15 at one end of the fire door body 1, a filtering and exhausting smoke mechanism 11 is arranged on the upper side of the fire door body 1, an observation window 12 is arranged on the lower side of the fire door body 1, a connecting shaft 3 is arranged at a position corresponding to the observation window 12 at one end of the fire door body 1, a cleaning brush 13 is arranged on the connecting shaft 3, a driving mechanism 16 is arranged at a position corresponding to the connecting shaft 3 at one end of the fire door body 1, and the cleaning brush 13 is connected to the connecting shaft 3 through an installation component 4.
[0021] Specifically, the mounting assembly 4 includes a mounting plate 41, an arc groove 1 42, an arc groove 2 43, a side plate 44, a fixing bolt 45, a slot 46 and a convex strip 48, wherein an arc groove 1 42 corresponding to the connecting shaft 3 is provided at one end of the cleaning brush 13, a mounting plate 41 is provided at one end of the cleaning brush 13, an arc groove 2 43 corresponding to the connecting shaft 3 is provided at one end of the mounting plate 41, side plates 44 are provided at both ends of the cleaning brush 13 and the mounting plate 41, the two side plates 44 are connected by fixing bolts 45, a convex strip 48 is provided in the arc groove 2 43, and a slot 46 corresponding to the convex strip 48 is provided at one end of the connecting shaft 3.
[0022] By adopting the above technical solution, when installing the cleaning brush 13, one end of the cleaning brush 13 is fitted onto the connecting shaft 3 through the arc groove 1 42, and then the mounting plate 41 is fitted onto the connecting shaft 3 through the arc groove 2 43, and at the same time, the convex strip 48 at one end of the mounting plate 41 enters the slot 46 of the connecting shaft 3, and then the mounting plate 41 and the cleaning brush 13 are connected and fixed by the fixing bolts 45 and the side plate 44, so as to achieve the effect of fixing the cleaning brush 13, and the fixing bolts 45 are unscrewed from the side plate 44, so that the cleaning brush 13 and the mounting plate 41 can be removed from the connecting shaft 3, and the cleaning brush 13 can be disassembled and assembled for cleaning by setting the mounting assembly 4, so as to avoid the cleaning brush 13 being attached with impurities on the cleaning brush 13 after long-term use, thereby affecting the subsequent cleaning quality of the observation window 12.
[0023] Specifically, the mounting assembly 4 further includes a positioning rod 47 and a positioning hole 49 , wherein the positioning rod 47 is disposed on both sides of one end of the cleaning brush 13 , and a positioning hole 49 corresponding to the positioning rod 47 is disposed at one end of the mounting plate 41 .
[0024] By adopting the above technical solution, when the cleaning brush 13 is installed, the positioning rod 47 at one end of the cleaning brush 13 can enter the positioning hole 49 of the mounting plate 41. The positioning rod 47 and the positioning hole 49 are provided to make the cleaning brush 13 more firmly connected to the mounting plate 41 after installation.
[0025] Specifically, after the convex strip 48 enters the slot 46 , the side edge of the convex strip 48 is in close contact with the inner wall of the slot 46 , and the side plate 44 is provided with a threaded hole corresponding to the fixing bolt 45 , and the side plate 44 and the mounting plate 41 are a welded integral structure.
[0026] By adopting the above technical solution, after the protrusion 48 enters the slot 46, the protrusion 48 is more stable in the slot 46, and the side plate 44 is provided with a threaded hole corresponding to the fixing bolt 45, which is convenient for fixing the mounting plate 41 and the cleaning brush 13 through the fixing bolt 45.
[0027] When the present embodiment is used, when the fire door to prevent smoke overflow is used, the device is installed in a suitable position. When a fire occurs, the smoke passes through the baffle plate 14, and the smoke alarm 15 senses the smoke and gives an alarm. At the same time, the smoke filtering and exhausting mechanism 11 can filter the smoke before discharging it, reducing air pollution. The driving mechanism 16 can drive the connecting shaft 3 to rotate, and the connecting shaft 3 drives the cleaning brush 13 to rotate to clean the observation window 12, so that waterproof dust sticks to the observation window 12. By setting the installation component 4, when the cleaning brush 13 is installed, one end of the cleaning brush 13 is attached to the connecting shaft 3 through the arc groove 1 42, and then the mounting plate 41 is attached to the connecting shaft 3 through the arc groove 2 43, and at the same time, the convex strip 48 at one end of the mounting plate 41 is inserted into the The cleaning brush 13 is inserted into the slot 46 of the connecting shaft 3, and then the mounting plate 41 and the cleaning brush 13 are connected and fixed by the fixing bolts 45 and the side plate 44 to achieve the effect of fixing the cleaning brush 13. The fixing bolts 45 are unscrewed from the side plate 44, and the cleaning brush 13 and the mounting plate 41 can be removed from the connecting shaft 3. The cleaning brush 13 can be disassembled and cleaned by setting the mounting component 4 to avoid the cleaning brush 13 from being attached to impurities after long-term use of the cleaning brush 13, which affects the subsequent cleaning quality of the observation window 12. When the cleaning brush 13 is installed, the positioning rod 47 at one end of the cleaning brush 13 can enter the positioning hole 49 of the mounting plate 41. The positioning rod 47 and the positioning hole 49 are set to make the cleaning brush 13 more firmly connected to the mounting plate 41 after installation.
[0028] Example 2
[0029] The difference between this embodiment and embodiment 1 is that: a fixed pipe 9 is arranged on the upper side of one end of the door frame 2, the fixed pipe 9 and the door frame 2 are connected by a support column 5, a plurality of atomizing nozzles 10 are arranged at the lower end of the fixed pipe 9, a water tank 6 is arranged on one side of the upper end of the door frame 2, a water pump 7 is arranged at one end of the water tank 6, and the water pump 7 and the fixed pipe 9 are connected by a water pipe 8.
[0030] By adopting the above technical solution, the support column 5 supports and fixes the fixed pipe 9. When a fire occurs, the water pump 7 is turned on. The water pump 7 transports the water in the water tank 6 to the fixed pipe 9 through the water pipe 8. The multiple atomizing nozzles 10 at the lower end of the fixed pipe 9 spray water onto the fire door body 1, thereby achieving the effect of cooling the fire door body 1. By arranging the atomizing nozzles 10, the fire door body 1 can be cooled and cooled, so that the high temperature resistance of the fire door body 1 is better, thereby improving the use quality of the fire door body 1.
[0031] Specifically, the lower end of the atomizing nozzle 10 is higher than the upper end of the fire door body 1, a water injection pipe is provided at one end of the water tank 6, and the support column 5 and the fixing pipe 9 as well as the support column 5 and the door frame 2 are spot welded.
[0032] By adopting the above technical solution, the fire door body 1 is prevented from hitting the atomizing nozzle 10 when it is opened. A water injection pipe is provided to facilitate water replenishment in the water tank 6. Spot welding makes the support column 5 support the fixed pipe 9 more stably.
[0033] When this embodiment is used, by setting up atomizing nozzles 10, the support column 5 supports and fixes the fixed pipe 9. When a fire occurs, the water pump 7 is turned on, and the water pump 7 transports the water in the water tank 6 to the fixed pipe 9 through the water pipe 8. Several atomizing nozzles 10 at the lower end of the fixed pipe 9 spray water onto the fire door body 1, thereby achieving the effect of cooling the fire door body 1. By setting up the atomizing nozzles 10, the fire door body 1 can be dissipated and cooled, so that the high temperature resistance of the fire door body 1 is better, thereby improving the use quality of the fire door body 1.
[0034] The water pump 7 of the present utility model is an existing disclosed technology, and the selected model is BJZ037.
[0035] The structure and working principle of the fire door body 1, door frame 2, connecting shaft 3, filtering and exhausting smoke mechanism 11, observation window 12, cleaning brush 13, baffle plate 14, smoke alarm 15 and driving mechanism 16 in the utility model have been disclosed in a kind of intelligent fire-fighting fire door for preventing smoke leakage disclosed in Chinese patent application No. 2022226158863. Its working principle is that when a fire occurs, the smoke passes through the baffle plate 14, the smoke alarm 15 senses the smoke and alarms, and at the same time, the filtering and exhausting smoke mechanism 11 can filter the smoke before discharging it to reduce air pollution. The driving mechanism 16 can drive the connecting shaft 3 to rotate, and the connecting shaft 3 drives the cleaning brush 13 to rotate to clean the observation window 12, so that water dust sticks to the observation window 12.
[0036] The working principle and use process of the utility model are as follows: when the fire door that prevents smoke overflow is used, the device is installed in a suitable position. When a fire occurs, the smoke passes through the baffle plate 14, and the smoke alarm 15 senses the smoke and gives an alarm. At the same time, the filtering and exhausting mechanism 11 can filter the smoke before discharging it, reducing the pollution to the air. The driving mechanism 16 can drive the connecting shaft 3 to rotate, and the connecting shaft 3 drives the cleaning brush 13 to rotate to clean the observation window 12, and the waterproof dust sticks to the observation window 12. By setting the mounting assembly 4, when the cleaning brush 13 is installed, one end of the cleaning brush 13 is attached to the connecting shaft 3 through the arc groove 1 42, and then the mounting plate 41 is attached to the connecting shaft 3 through the arc groove 2 43, and at the same time, the convex strip 48 at one end of the mounting plate 41 enters the slot 46 of the connecting shaft 3, and then the mounting plate 41 and the cleaning brush 13 are connected and fixed by the fixing bolts 45 and the side plate 44, so as to achieve the effect of fixing the cleaning brush 13, and the fixing bolts 45 are screwed from the side plate 44. The cleaning brush 13 and the mounting plate 41 can be removed from the connecting shaft 3. The cleaning brush 13 can be disassembled and cleaned by setting the mounting assembly 4, so as to avoid the cleaning brush 13 from being attached with impurities after long-term use, thereby affecting the subsequent cleaning quality of the observation window 12. When the cleaning brush 13 is installed, the positioning rod 47 at one end of the cleaning brush 13 can enter the positioning hole 49 of the mounting plate 41. The positioning rod 47 and the positioning hole 49 are set to make the cleaning brush 13 more firmly connected to the mounting plate 41 after installation. By arranging the atomizing nozzle 10, the support column 5 supports and fixes the fixed pipe 9. When a fire occurs, the water pump 7 is turned on. The water pump 7 transports the water in the water tank 6 to the fixed pipe 9 through the water pipe 8. The several atomizing nozzles 10 at the lower end of the fixed pipe 9 spray water onto the fire door body 1, thereby achieving the effect of cooling the fire door body 1. By arranging the atomizing nozzle 10, the fire door body 1 can be dissipated and cooled, so that the high temperature resistance of the fire door body 1 is better, and the use quality of the fire door body 1 is improved.
[0037] Although the embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.
Claims
1. A fire door for preventing smoke from overflowing, comprising a door frame, characterized in that: A fire door body is arranged in the door frame, a smoke alarm is arranged on the lower side of the interior of the fire door body, a baffle is rotatably connected with a position corresponding to the smoke alarm at one end of the fire door body, a filtering and exhausting mechanism is arranged on the upper side of the fire door body, an observation window is arranged on the lower side of the fire door body, a connecting shaft is arranged at a position corresponding to the observation window at one end of the fire door body, a cleaning brush is arranged on the connecting shaft, a driving mechanism is arranged at a position corresponding to the connecting shaft at one end of the fire door body, and the cleaning brush is connected to the connecting shaft through an installation component.
2. A fire door for preventing smoke from overflowing according to claim 1, characterized in that: The mounting assembly includes a mounting plate, an arc groove 1, an arc groove 2, a side plate, a fixing bolt, a slot and a convex strip, wherein an arc groove 1 corresponding to the connecting shaft is provided at one end of the cleaning brush, a mounting plate is provided at one end of the cleaning brush, an arc groove 2 corresponding to the connecting shaft is provided at one end of the mounting plate, side plates are provided at both ends of the cleaning brush and the mounting plate, the two side plates are connected by fixing bolts, a convex strip is provided in the arc groove 2, and a slot corresponding to the convex strip is provided at one end of the connecting shaft.
3. A fire door for preventing smoke from overflowing according to claim 2, characterized in that: The mounting assembly further comprises a positioning rod and a positioning hole, wherein positioning rods are arranged on both sides of one end of the cleaning brush, and a positioning hole corresponding to the positioning rod is arranged at one end of the mounting plate.
4. A fire door for preventing smoke from overflowing according to claim 2, characterized in that: After the convex strip enters the slot, the side edge of the convex strip is in close contact with the inner wall of the slot, the side plate is provided with a threaded hole corresponding to the fixing bolt, and the side plate and the mounting plate are a welded integral structure.
5. A fire door for preventing smoke from overflowing according to claim 1, characterized in that: A fixed pipe is arranged on the upper side of one end of the door frame, the fixed pipe and the door frame are connected by a supporting column, a plurality of atomizing nozzles are arranged on the lower end of the fixed pipe, a water tank is arranged on one side of the upper end of the door frame, a water pump is arranged on one end of the water tank, and the water pump and the fixed pipe are connected by a water pipe.
6. A fire door for preventing smoke from overflowing according to claim 5, characterized in that: The lower end of the atomizing nozzle is higher than the upper end of the fire door body, a water injection pipe is arranged at one end of the water tank, and the support column and the fixed pipe as well as the support column and the door frame are spot welded.