Anti-backflow roof windproof breather pipe
By designing a roof anti-flow-proof ventilation pipe, combined with the vent structure, pipeline protective frame and ventilation fan, the problems of backflow and structural damage of ventilation pipes in extreme weather are solved, and effective protection and efficient ventilation are achieved.
Patent Information
- Application Number
- CN202421084067.3
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-05-17
- Publication Date
- 2024-12-27
- Estimated Expiration
- 2034-05-17
AI Technical Summary
Existing ventilation ducts are prone to backflow and structural damage in extreme weather, which affects the ventilation effect and cannot effectively prevent external objects from entering.
A vent vent pipe for anti-returning roof is designed, including a vent structure, a pipe guardrail, a vent fixing pipe and a ventilation fan. By setting up a protective net, an inclined roof and a protective hanger, a ventilation fan is combined with a ventilation fan to improve ventilation efficiency and protection.
Effectively prevent rain and snow from pouring back, enhance pipeline protection, avoid external objects entering, improve ventilation efficiency and wind speed, and enhance the protection of the device.
Smart Images

Figure CN222256893U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the field of windproof ventilation pipes, in particular to a windproof ventilation pipe for a roof that can prevent backflow. Background Art
[0002] Ventilation ducts are widely used in the construction field, especially in some large shopping malls, hotels, office buildings, hospitals, etc. As long as it is a high-rise building, ventilation ducts are indispensable. Existing ventilation ducts are equipped with air outlets or air inlets on the roof of the building to achieve ventilation effects, but these air outlets and air inlets have simple structures. When encountering extreme weather such as heavy rain or heavy snow, it is easy for them to enter the interior and affect the ventilation operation. At the same time, there are more and more extreme weather such as hail and strong winds, and the strength of the outlet is low and easy to be damaged. Therefore, an anti-backflow roof windproof ventilator is proposed. Utility Model Content
[0003] The main purpose of the utility model is to provide a roof windproof ventilation pipe to prevent backflow, which can effectively solve the problems in the background technology.
[0004] In order to achieve the above purpose, the technical solution adopted by the utility model is:
[0005] A backflow-proof roof windproof ventilation pipe comprises a vent structure, a pipe protection frame, a ventilation fixed pipe and a ventilation fan. The bottom end surface of the vent structure is fixedly connected to the pipe protection frame, the surface of the pipe protection frame is fixedly sleeved with a ventilation fixed pipe, and the surface of the ventilation fixed pipe is fixedly installed with a ventilation fan.
[0006] Preferably, the vent structure includes a hood body, a docking plate, a mounting hole, a docking hole one, a slanted top and a protective net, the bottom surface of the hood body is fixedly connected with a docking plate, the surface of the docking plate is fixedly provided with a mounting hole, the surface of the docking plate is fixedly provided with a docking hole one, the top surface of the hood body is fixedly provided with a slanted top, and the surface of the hood body is fixedly provided with a protective net.
[0007] Preferably, the pipe protection frame includes a top plate, a second docking hole, a fixing hole, a support column, a hanging hole and a protective hanging plate. The surface of the top plate is fixedly provided with a second docking hole, the surface of the top plate is fixedly provided with a fixing hole, the bottom surface of the top plate is fixedly connected to a support column, the surface of the support column is fixedly provided with a hanging hole, and the surface of the hanging hole is fixedly connected to a protective hanging plate.
[0008] Preferably, the ventilation fixed pipe includes a ventilation pipe, a dustproof net, a clamping ring, a docking ring, a connecting pipe and an annular groove, a dustproof net is fixedly provided on the surface of one end of the ventilation pipe, a clamping ring is fixedly provided on the inner surface of the ventilation pipe, a docking ring is fixedly provided on the surface of one end of the ventilation pipe, an annular groove is fixedly docked on the surface of the docking ring, and a connecting pipe is fixedly connected to the surface of the annular groove.
[0009] Preferably, the ventilation fan comprises an outer frame, a fixing frame, a motor and fan blades, the fixing frame is fixedly connected to the surface of the outer frame, the motor is fixedly mounted on the surface of the fixing frame, and the fan blades are fixedly mounted on one end surface of the motor.
[0010] Preferably, the docking plate of the vent structure is docked with the top plate of the pipe protection frame, the mounting hole is docked with the fixing hole and fixed with screws, the surface of the ventilation fixed pipe passes through docking hole one and docking hole two, the ventilation fan is placed on the surface of the clamping ring, and the two clamping rings fix the ventilation fan in the middle.
[0011] Compared with the prior art, the utility model has the following beneficial effects:
[0012] The utility model discloses a roof windproof ventilation pipe to prevent backflow and enter the interior by arranging a vent structure, and at the same time, a protective net is arranged at the inlet and outlet to prevent animals or garbage brought in by strong wind from entering. The sloping roof is convenient for rain and snow to slide down quickly to avoid accumulation at the top. The protection of the internal pipeline is improved by arranging a pipeline protection frame, so as to form a protective box on the outside. The four sides of the pipeline protection frame are connected by protective hanging plates and hanging holes to achieve closure and complete the connection to isolate the ventilation fixed pipe inside. The ventilation fixed pipe and the ventilation fan are arranged to facilitate exhaust and air intake, and the ventilation fan increases the wind speed of the internal wind to accelerate the flow to improve the ventilation efficiency. BRIEF DESCRIPTION OF THE DRAWINGS
[0013] Figure 1 This is an overall schematic diagram of a windproof ventilation pipe for a roof that prevents backflow according to the utility model;
[0014] Figure 2 This is a schematic diagram of the ventilation opening structure of a windproof ventilation pipe for a roof that prevents backflow according to the utility model;
[0015] Figure 3 This is a schematic diagram of a pipe protection frame for a roof windproof ventilation pipe to prevent backflow according to the utility model;
[0016] Figure 4 It is a schematic diagram of a ventilation fixing pipe of a roof windproof ventilation pipe for preventing backflow according to the utility model;
[0017] Figure 5 A schematic diagram of a ventilation fan for a roof windproof vent pipe to prevent backflow according to the utility model;
[0018] In the figure: 1. Ventilation opening structure; 101. Ventilation hood body; 102. Docking plate; 103. Mounting hole; 104. Docking hole one; 105. Slanted top; 106. Protective net; 2. Pipe protection frame; 201. Top plate; 202. Docking hole two; 203. Fixing hole; 204. Support column; 205. Hanging hole; 206. Protective hanging plate; 3. Ventilation fixed pipe; 301. Ventilation pipe; 302. Dustproof net; 303. Clamp; 304. Docking ring; 305. Connecting pipe; 306. Annular groove; 4. Ventilation fan; 401. Outer frame; 402. Fixed frame; 403. Motor; 404. Fan blade. DETAILED DESCRIPTION
[0019] In order to make the technical means, creative features, objectives and effects achieved by the present invention easy to understand, the present invention is further described below in conjunction with specific implementation methods.
[0020] like Figure 1-5 As shown, an anti-backflow roof windproof ventilation pipe comprises a vent structure 1, a pipe protection frame 2, a ventilation fixed pipe 3 and a ventilation fan 4. The bottom surface of the vent structure 1 is fixedly connected with the pipe protection frame 2, the surface of the pipe protection frame 2 is fixedly sleeved with the ventilation fixed pipe 3, and the surface of the ventilation fixed pipe 3 is fixedly installed with the ventilation fan 4;
[0021] The vent structure 1 includes a hood body 101, a docking plate 102, a mounting hole 103, a docking hole 104, a slanted top 105 and a protective net 106. The bottom surface of the hood body 101 is fixedly connected with the docking plate 102, the surface of the docking plate 102 is fixedly provided with a mounting hole 103, the surface of the docking plate 102 is fixedly provided with a docking hole 104, the top surface of the hood body 101 is fixedly provided with a slanted top 105, and the surface of the hood body 101 is fixedly provided with a protective net 106; the pipeline protection frame 2 includes a top plate 201, a second docking hole 202, a fixing hole 203, a support column 204, a hanging hole 205 and a protective hanging plate 206. The surface of the top plate 201 is fixedly provided with a second docking hole 202, the surface of the top plate 201 is fixedly provided with a fixing hole 203, the bottom surface of the top plate 201 is fixedly connected with a support column 204, the surface of the support column 204 is fixedly provided with a hanging hole 205, and the surface of the hanging hole 205 is fixedly connected with a protective hanging plate 206; the ventilation fixed pipe 3 includes a ventilation pipe 301, a dustproof net 302, a card The ventilation fan 4 comprises an outer frame 401, a fixing frame 402, a motor 403 and a fan blade 404. The outer frame 401 has a dustproof net 302 fixedly arranged on the surface of one end of the ventilation pipe 301, a clamping ring 303 fixedly arranged on the inner surface of the ventilation pipe 301, a fixing ring 304 fixedly arranged on the surface of one end of the ventilation pipe 301, an annular groove 306 fixedly connected to the surface of the fixing ring 304, and a connecting pipe 305 fixedly connected to the surface of the annular groove 306; the ventilation fan 4 comprises an outer frame 401, a fixing frame 402, a motor 403 and a fan blade 404, and the outer frame The surface of 401 is fixedly connected to a fixing frame 402, a motor 403 is fixedly installed on the surface of the fixing frame 402, and a fan blade 404 is fixedly installed on one end surface of the motor 403; the docking plate 102 of the vent structure 1 is docked with the top plate 201 of the pipe protection frame 2, the mounting hole 103 is docked with the fixing hole 203 and fixed with screws, the surface of the ventilation fixed pipe 3 passes through the docking hole 104 and the docking hole 202, the ventilation fan 4 is placed on the surface of the clamping ring 303, and the two clamping rings 303 fix the ventilation fan 4 in the middle.
[0022] It should be noted that the utility model is an anti-backflow roof windproof ventilation pipe, which can effectively prevent rain and snow from backflowing into the interior through the vent structure 1. At the same time, the inlet and outlet are provided with a protective net 106 to prevent animals or garbage brought in by strong winds from entering. The inclined roof 105 is convenient for rain and snow to slide down quickly to avoid accumulation at the top. The docking plate 102 is docked with the top plate 201, and is fixed by screws passing through the installation hole 103 and the fixing hole 203. The pipe protection frame 2 improves the protection of the internal pipe, thereby forming a layer of protection box on the outside. The surrounding of the pipe protection frame 2 is docked with the protective hanging plate 2066 and the hanging hole 205 to achieve closure. The docking is completed to isolate the ventilation fixed pipe from the inside, and the ventilation fixed pipe 3 and the ventilation fan 4 It is convenient for exhausting and inletting air, and the ventilation fan 4 increases the wind speed of the internal wind to accelerate the flow and improve its ventilation efficiency. The ventilation fan 4 rotates the fan blades 404 through the operation of the motor 403 to accelerate the flow rate. The ventilation fan 4 is connected to the internal switch of the building through a line. The ventilation fan 4 is fixed inside the ventilation pipe through the clamping ring 303 of the ventilation fixing pipe. It is also very convenient when it needs to be disassembled and replaced. First, remove the protective hanging plate 206 and then remove the nut connecting the annular groove 306 and the docking ring 304. Then, lift the ventilation pipe 301 upward. When moving upward, it will move on the surface of the docking hole 104 and the docking hole 202. After moving, remove the ventilation fan 4. The whole device improves protection and accelerates ventilation efficiency.
[0023] The above shows and describes the basic principle and main features of the utility model and the advantages of the utility model. Those skilled in the art should understand that the utility model is not limited by the above embodiments. The above embodiments and descriptions are only for explaining the principle of the utility model. Without departing from the spirit and scope of the utility model, the utility model may have various changes and improvements, which fall within the scope of the utility model to be protected. The scope of protection claimed by the utility model is defined by the attached claims and their equivalents.
Claims
1. A windproof vent pipe for preventing backflow on roof, characterized in that: The invention comprises a vent structure (1), a pipe protection frame (2), a ventilation fixed pipe (3) and a ventilation fan (4); the bottom surface of the vent structure (1) is fixedly connected to the pipe protection frame (2); the surface of the pipe protection frame (2) is fixedly sleeved with the ventilation fixed pipe (3); and the surface of the ventilation fixed pipe (3) is fixedly installed with the ventilation fan (4).
2. The anti-backflow roof windproof ventilation pipe according to claim 1, characterized in that: The vent structure (1) comprises a hood body (101), a docking plate (102), a mounting hole (103), a docking hole one (104), a slanted top (105) and a protective net (106); the bottom surface of the hood body (101) is fixedly connected to the docking plate (102); the surface of the docking plate (102) is fixedly provided with a mounting hole (103); the surface of the docking plate (102) is fixedly provided with a docking hole one (104); the top surface of the hood body (101) is fixedly provided with a slanted top (105); and the surface of the hood body (101) is fixedly provided with a protective net (106).
3. The anti-backflow roof windproof ventilation pipe according to claim 2, characterized in that: The pipeline protection frame (2) comprises a top plate (201), a second docking hole (202), a fixing hole (203), a support column (204), a hanging hole (205) and a protective hanging plate (206); the surface of the top plate (201) is fixedly provided with a second docking hole (202); the surface of the top plate (201) is fixedly provided with a fixing hole (203); the bottom surface of the top plate (201) is fixedly connected with a support column (204); the surface of the support column (204) is fixedly provided with a hanging hole (205); the surface of the hanging hole (205) is fixedly connected with a protective hanging plate (206).
4. The anti-backflow roof windproof ventilation pipe according to claim 3, characterized in that: The ventilation fixed pipe (3) comprises a ventilation pipe (301), a dustproof net (302), a clamping ring (303), a docking ring (304), a connecting pipe (305) and an annular groove (306); a dustproof net (302) is fixedly arranged on one end surface of the ventilation pipe (301); a clamping ring (303) is fixedly arranged on the inner side surface of the ventilation pipe (301); a docking ring (304) is fixedly arranged on one end surface of the ventilation pipe (301); a surface of the docking ring (304) is fixedly docked with an annular groove (306); and a connecting pipe (305) is fixedly connected to the surface of the annular groove (306).
5. The anti-backflow roof windproof ventilation pipe according to claim 4, characterized in that: The ventilation fan (4) comprises an outer frame (401), a fixing frame (402), a motor (403) and a fan blade (404); the fixing frame (402) is fixedly connected to the surface of the outer frame (401); the motor (403) is fixedly mounted on the surface of the fixing frame (402); and the fan blade (404) is fixedly mounted on one end surface of the motor (403).
6. The anti-backflow roof windproof ventilation pipe according to claim 5, characterized in that: The docking plate (102) of the vent structure (1) is docked with the top plate (201) of the pipe protection frame (2), the mounting hole (103) is docked with the fixing hole (203) and fixed with screws, the surface of the ventilation fixed pipe (3) passes through the docking hole 1 (104) and the docking hole 2 (202), the ventilation fan (4) is placed on the surface of the clamping ring (303), and the two clamping rings (303) fix the ventilation fan (4) in the middle.
