CN214249967U

CN214249967U - Outdoor rain-proof cap for fresh air system and fresh air pipeline applying rain-proof cap

Info

Publication number: CN214249967U
Application number: CN202022218280.7U
Authority: CN
Inventors: 倪晓龙; 汤文斌; 陈德强; 许佳威; 陈猛; 严东旭; 贾超; 霍彦强
Original assignee: Ningbo Fotile Kitchen Ware Co Ltd
Current assignee: Ningbo Fotile Kitchen Ware Co Ltd
Priority date: 2020-09-30
Filing date: 2020-09-30
Publication date: 2021-09-21
Anticipated expiration: 2030-09-30

Abstract

The utility model relates to a new trend system is with outdoor rain-proof cap and applied new trend pipeline that has this rain-proof cap, new trend system user's outer rain-proof cap includes body, its characterized in that: the body is provided with an air guide pipe extending along the axial direction, the front end of the air guide pipe is provided with an end cover capable of sealing the front end of the air guide pipe, the rear end of the air guide pipe is an air outlet, and the bottom wall of the air guide pipe is provided with an air inlet. The utility model discloses utilize the end cover to seal the front end mouth of guide duct, and set up the air intake in the bottom of guide duct, when meetting great wind and rain weather, the end cover makes the perpendicular air inlet of guide duct as the windward side, utilizes the inertia effect, and the gravity and the inertia of rainwater are than wind big, realize the separation of rainwater and air below the air intake, in the air admission guide duct, the rainwater is blockked outside rain-proof cap to avoid the rainwater to flow backward.

Description

Outdoor rain-proof cap for fresh air system and fresh air pipeline applying rain-proof cap

Technical Field

The utility model relates to a new trend system is with outdoor rain-proof cap and applied new trend pipeline that has this rain-proof cap.

Background

The new trend pipeline of new trend system generally wears the wall and arranges, in order to prevent that the rainwater from getting into new trend machine through new trend pipeline, generally can set up rain-proof cap in new trend pipeline's outer end.

A chinese utility model patent with publication number CN206919301U, a ducted rain hat for fresh air purification system (application number: cn201720667927.x), discloses a structure, which comprises an air supply duct and a cover body, wherein the outer ring of the cover body is a circular plane structure, the middle part is a hemisphere, one side of the hemisphere is provided with an air inlet, and the periphery of the bottom of the outer ring of the cover body is provided with connecting pieces; the central lines of the air supply pipeline and the cover body are superposed and fixedly connected through a connecting piece; a sleeve plug is arranged on the gas supply pipeline and is fixed by using foaming glue; a hole sealing flange is sleeved on the periphery of the indoor side of the air supply pipeline; the bottom of the cover body is provided with an insect-proof grid; round holes correspondingly connected with the connecting pieces are arranged on the periphery of the plane at the end of the air supply pipeline connected with the cover body.

The rain hat with the structure is a commonly used rain hat structure in the prior art, and as the air inlet of the rain hat is positioned in the axial direction of the air inlet pipeline, when a large wind and rain weather occurs, the rainwater is easily brought into the fresh air machine through the air inlet by strong wind; in addition, wind entering the rain-proof cap through the air inlet blows the grids vertically, vortex and turbulence are easily generated, wind and rain are entrained into a fresh air pipeline, the problem of rainwater backflow is caused, and risks or faults are further caused.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the first technical problem to provide an thereby utilize inertial separation rainwater and air to avoid the outer rain-proof cap of new trend system user that the rainwater was flowed backward to the current situation to prior art.

The utility model discloses the second technical problem that will solve is to prior art's current situation, thereby provides one kind and enables gaseous vortex, turbulent position and shift to the new trend system user outer rain-proof cap of keeping away from air intake department and avoiding the rainwater to flow backward.

The utility model discloses the third technical problem that will solve is to prior art's current situation, provides an application and has the fresh air pipeline of above-mentioned rain-proof cap.

The utility model provides a technical scheme that at least one above-mentioned technical problem adopted does: the utility model provides a rain-proof cap outside new trend system user, includes the body, its characterized in that: the body is provided with an air guide pipe extending along the axial direction, the front end of the air guide pipe is provided with an end cover capable of sealing the front end of the air guide pipe, the rear end of the air guide pipe is an air outlet, and the bottom wall of the air guide pipe is provided with an air inlet.

Preferably, the lower edge of the end cover is provided with an air deflector which is gradually inclined backwards from top to bottom so as to block the air inlet at the rear side of the air deflector. The wind deflector firstly contacts wind and rain, so that the wind path distance is prolonged, the wind direction is guided, the rainwater is prevented from being directly blown to the air inlet by strong wind, and the rain shielding effect is improved.

The utility model discloses in, thereby body bottom local disappearance forms the breach groove from bottom to top, thereby the top in this breach groove opens and is linked together with the guide duct, the back wall of aviation baffle constitutes the preceding lateral wall in breach groove. By adopting the structure, the top opening of the notch groove forms the air inlet of the air guide pipe, the air inlet is vertical to the windward side, and a larger height difference exists between the lower edge of the air guide plate which is inclined backwards and the air inlet, so that the positions of vortex and turbulent flow are transferred to the rear lower side of the air guide plate and are far away from the air inlet, the phenomenon that the vortex and the turbulent flow carry rainwater at the bottom edge of the air guide pipe into the air guide pipe is avoided, and a better rainwater backflow prevention effect is achieved.

Preferably, the air guide pipe is provided with a baffle which is gradually inclined backwards from top to bottom from the rear edge of the top of the notch groove, and the front wall surface of the baffle forms the rear side wall of the notch groove. The structure guides the wind at the rear side of the air deflector, so that the air inlet speed below the air inlet is gentle, and the rainwater is prevented from being entrained into the air guide pipe by forming a vortex.

Preferably, an included angle between the baffle and the air guide pipe in the axial direction is 45-75 degrees; the included angle between the air guide plate and the air guide pipe in the axial direction is 45-75 degrees. By verification, the optimal rainwater backflow prevention effect can be achieved by adopting the parameter range.

Preferably, a first overflow port located at the rear side of the baffle is formed in the bottom wall of the air guide pipe. The outer bottom wall of the air guide pipe is provided with a guide sleeve extending downwards from the edge of the first overflow opening, and the guide sleeve inclines forwards and backwards along the axial direction of the air guide pipe. By adopting the structure, rainwater entering the air guide pipe can be conveniently discharged, and the rainwater can be prevented from returning to the air guide pipe again under strong wind blowing in the rainwater discharging process due to the structure of the flow guide sleeve, so that a better drainage effect is achieved.

Preferably, the top of the gap groove is open to form the air inlet, and an air inlet grille is arranged at the air inlet. The air inlet grille comprises a first grille plate and a second grille plate which are mutually crossed, the first grille plate is vertically arranged and extends along the axial direction of the air guide pipe, and the second grille plate is radially arranged along the air guide pipe and gradually inclines from top to bottom. The inclination direction of the second grating plate is consistent with that of the air deflector. The second grating plate can guide the wind direction of the inlet wind so as to moderate the wind speed of the inlet wind and avoid the rainwater from being carried into the air guide pipe by the strong wind.

Preferably, a blocking piece is connected between two side edges of the notch groove and the adjacent second grating plate, and a second overflow port arranged close to the rear end of the notch groove is formed in the blocking piece. The second overflow port is arranged at the position, so that rainwater entering the top of the notch groove without being blocked by the second grating plate can be discharged in time.

The utility model discloses in, the air outlet department of guide duct is provided with the grid board, the vertical extension in upper portion of this grid board, lower part follow the guide duct axial from preceding downward sloping gradually backward. The grating plate with the structure can block mosquitoes, mice and the like, and also can play a certain role in guiding wind and preventing rainwater from flowing backwards.

Preferably, the grid plate comprises a plurality of first grid strips arranged transversely at intervals and second grid strips vertically arranged in the middle of the first grid strips, and the direction of the second grid strips is consistent with that of the grid plates. And the lower part of the second grid bar is provided with a flow deflector which extends forwards from the back. The flow deflector is in a triangular structure, the first edge of the flow deflector is connected with the second grating strip, the second edge is arranged close to the bottom wall of the air guide pipe, the third edge inclines upwards and downwards, and the joint of the second edge and the third edge forms a smooth transition arc-shaped structure. The structure is favorable for guiding the air inlet and avoiding the formation of vortex in the pipeline.

The utility model provides an use new trend pipeline that has above-mentioned new trend outdoor rain-proof cap for system, includes the pipeline, its characterized in that: the air outlet of the body is connected with the air inlet end of the pipeline.

Compared with the prior art, the utility model has the advantages of: the utility model discloses utilize the end cover to seal the front end mouth of guide duct, and set up the air intake in the bottom of guide duct, when meetting great wind and rain weather, the end cover makes the perpendicular air inlet of guide duct as the windward side, utilizes the inertia effect, and the gravity and the inertia of rainwater are than wind big, realize the separation of rainwater and air below the air intake, in the air admission guide duct, the rainwater is blockked outside rain-proof cap to avoid the rainwater to flow backward.

Drawings

Fig. 1 is a side view of a rain hat according to an embodiment of the present invention;

fig. 2 is a schematic structural view of a rain hat according to an embodiment of the present invention;

FIG. 3 is a bottom view of FIG. 2;

FIG. 4 is a cross-sectional view of FIG. 2;

fig. 5 is a schematic structural diagram of a fresh air pipeline according to an embodiment of the present invention;

fig. 6 is a simulation diagram of an embodiment of the present invention.

Detailed Description

The present invention will be described in further detail with reference to the following embodiments.

As shown in fig. 1 to 4, the outdoor rain hat of the fresh air system of the present embodiment includes a body 1, the body 1 has an air guide tube 11 extending along an axial direction, an end cap 12 capable of sealing a front end of the air guide tube 11 is disposed at a front end of the air guide tube 11, a rear end of the air guide tube is an air outlet 13, and an air inlet 14 is formed in a bottom wall of the air guide tube 11. In the embodiment, the end cover 12 is used for sealing the front end opening of the air guide pipe 11, the air inlet 14 is arranged at the bottom of the air guide pipe 11, when the weather is strong, the end cover 12 serves as a windward side to enable the air guide pipe 11 to vertically supply air, the gravity and inertia of rainwater are larger than those of wind by using the inertia effect, the rainwater and the air are separated below the air inlet 14, the air enters the air guide pipe 11, and the rainwater is blocked outside the rain-proof cap, so that the rainwater is prevented from flowing backwards.

The lower edge of the end cover 12 of this embodiment is provided with a wind deflector 15 which is gradually inclined backward from top to bottom so as to block the wind inlet 14 at the rear side thereof. The wind deflector 15 firstly contacts with wind and rain, so that the wind path distance is prolonged, the wind direction is guided, the rainwater is prevented from being directly blown to the air inlet 14 by strong wind, and the rain shielding effect is improved.

Specifically, the bottom of the main body 1 is partially missing from bottom to top to form a notch groove 16, the top of the notch groove 16 is open to communicate with the air guide pipe 11, the top of the notch groove 16 is open to form an air inlet 14 of the air guide pipe 11, and the rear wall of the air guide plate 15 forms the front side wall of the notch groove 16. The air inlet 14 is perpendicular to the windward side, and a large height difference exists between the lower edge of the air guide plate 15 inclined backwards and the air inlet 14, so that the positions of vortex and turbulence are transferred to the rear lower side of the air guide plate 15 and far away from the air inlet 14, as shown in fig. 6, M is the generated vortex, the vortex and the turbulence are prevented from entraining rainwater on the edge of the bottom of the air guide pipe into the air guide pipe 11, and a better rainwater backflow prevention effect is achieved.

The air guide duct 11 has a baffle 17 inclined gradually backward from the top to the bottom at the rear edge of the top of the notch groove 16, and the front wall of the baffle 17 forms the rear side wall of the notch groove 16. The structure guides the wind at the rear side of the air deflector 15, so that the wind inlet speed below the air inlet 14 is gentle, and the rainwater is prevented from being carried into the air guide pipe 11 by vortex. An included angle a between the baffle 17 and the air guide pipe 11 in the axial direction is 45-75 degrees, and preferably 60 degrees; the included angle b between the air guide plate 15 and the air guide pipe 11 in the axial direction is 45-75 degrees, and preferably 60 degrees. By verification, the optimal rainwater backflow prevention effect can be achieved by adopting the parameters.

In the present embodiment, the bottom wall of the air guiding duct 11 is opened with a first overflow opening 111 located at the rear side of the baffle 17. A flow guide sleeve 112 extending downwards from the edge of the first overflow opening 111 is arranged on the outer bottom wall of the air guide pipe 11, and the flow guide sleeve 112 inclines from front to back along the axial direction of the air guide pipe 11. By adopting the structure, rainwater entering the air guide pipe 11 can be conveniently discharged, and the structure of the guide sleeve 112 can prevent rainwater from returning to the air guide pipe 11 again under strong wind blowing in the rainwater discharging process, so that a better drainage effect is achieved.

An air inlet grille 18 is arranged at the position of the top opening (the air inlet 14) of the notch groove 16. The air inlet grille 18 includes a first grille plate 181 and a second grille plate 182 which are mutually crossed, the first grille plate 181 is vertically arranged and extends along the axial direction of the air duct 11, and the second grille plate 182 is radially arranged along the air duct 11 and gradually inclines backwards from top to bottom. The inclination direction of the second grid plate 182 coincides with the inclination direction of the air guide plate 15. The second grid plate 182 can guide the wind direction of the inlet wind to moderate the wind speed of the inlet wind, thereby preventing the rainwater from being carried into the wind guide pipe 11 by the strong wind. A blocking piece 183 is connected between two side edges of the cutaway groove 16 and the adjacent second grating plate 182, and a second overflow port 184 arranged near the rear end of the cutaway groove 16 is opened on the blocking piece 183. The second overflow 184 is provided at this position, which is beneficial to timely draining rainwater entering the top of the notch slot 16 without the second grating plate 182 having to be blocked.

In this embodiment, the air outlet 13 of the air duct 11 is provided with a grating plate 2, and the upper portion of the grating plate 2 extends vertically, and the lower portion thereof gradually inclines downwards from front to back along the axial direction of the air duct 11. The grating plate 2 with the structure can block mosquitoes, mice and the like, and also has the functions of guiding wind and preventing rainwater from flowing backwards to a certain extent. The grid plate 2 comprises a plurality of first grid bars 21 arranged transversely at intervals and second grid bars 22 arranged vertically in the middle of the first grid bars 21, and the direction of the second grid bars 22 is consistent with that of the grid plate 2. The lower portion of the second grill 22 is provided with a guide vane 23 extending forward from the rear. The baffle 23 is formed into a triangular structure, a first edge 231 of the baffle is connected with the second grid 22, a second edge 232 is arranged close to the bottom wall of the air guide pipe 11, a third edge 233 inclines from top to bottom, and a smooth transition arc-shaped structure 234 is formed at the joint of the second edge 232 and the third edge 233. The structure is favorable for guiding the air inlet and avoiding the formation of vortex in the pipeline.

As shown in fig. 5, the fresh air pipeline applied with the outdoor rain hat for the fresh air system in the embodiment includes a pipeline 3, the rear end of the body 1 is connected with the front end of the pipeline 3, and the air outlet 12 of the body 1 is connected with the air inlet end of the pipeline 3.

Claims

1. The utility model provides a rain-proof cap outside new trend system user, includes body (1), its characterized in that: the body (1) is provided with an air guide pipe (11) extending along the axial direction, the front end of the air guide pipe (11) is provided with an end cover (12) capable of sealing the front end, the rear end is an air outlet (13), and the bottom wall of the air guide pipe (11) is provided with an air inlet (14).

2. The outdoor rain hat of new trend system of claim 1, characterized in that: the lower edge of the end cover (12) is provided with an air deflector (15) which is gradually inclined backwards from top to bottom so as to block the air inlet (14) at the rear side of the air deflector.

3. The outdoor rain hat of new trend system of claim 2, characterized in that: the bottom of the body (1) is partially lost from bottom to top to form a gap groove (16), the top of the gap groove (16) is opened to be communicated with the air guide pipe (11), and the rear wall surface of the air guide plate (15) forms the front side wall of the gap groove (16).

4. The outdoor rain hat of new trend system of claim 3, characterized in that: the air guide pipe (11) is provided with a baffle plate (17) which is gradually inclined backwards from top to bottom from the rear edge of the top of the notch groove (16), and the front wall surface of the baffle plate (17) forms the rear side wall of the notch groove (16).

5. The outdoor rain hat of new trend system of claim 4, characterized in that: an included angle a between the baffle (17) and the air guide pipe (11) in the axial direction is 45-75 degrees; the included angle b between the air guide plate (15) and the air guide pipe (11) in the axial direction is 45-75 degrees.

6. The outdoor rain hat of new trend system of claim 4, characterized in that: the bottom wall of the air guide pipe (11) is provided with a first overflow port (111) positioned at the rear side of the baffle (17).

7. The outdoor rain hat of new trend system of claim 6, characterized in that: the outer bottom wall of the air guide pipe (11) is provided with a guide sleeve (112) extending downwards from the edge of the first overflow opening (111), and the guide sleeve (112) inclines from front to back along the axial direction of the air guide pipe (11).

8. The outdoor rain hat of new trend system of claim 3, characterized in that: the top of the gap groove (16) is open to form the air inlet (14), and an air inlet grille (18) is arranged at the air inlet (14).

9. The outdoor rain hat of new trend system of claim 8, characterized in that: the air inlet grille (18) comprises a first grille plate (181) and a second grille plate (182) which are mutually crossed, the first grille plate (181) is vertically arranged and extends along the axial direction of the air guide pipe (11), and the second grille plate (182) is radially arranged along the air guide pipe (11) and gradually inclines backwards from top to bottom.

10. The outdoor rain hat of new trend system of claim 9, characterized in that: the inclination direction of the second grid plate (182) is consistent with the inclination direction of the air deflector (15).

11. The outdoor rain hat of new trend system of claim 9, characterized in that: baffle plates (183) are connected between the two side edges of the notch groove (16) and the adjacent second grating plates (182), and second overflow gaps (184) which are arranged close to the rear end of the notch groove (16) are formed in the baffle plates (183).

12. The outdoor rain hat of new trend system of claim 1, characterized in that: the air guide pipe is characterized in that a grating plate (2) is arranged at an air outlet (13) of the air guide pipe (11), the upper part of the grating plate (2) extends vertically, and the lower part of the grating plate gradually inclines downwards from front to back along the axial direction of the air guide pipe (11).

13. The outdoor rain hat of new trend system of claim 12, characterized in that: the grating plate (2) comprises a plurality of first grating strips (21) which are transversely arranged at intervals and second grating strips (22) which are vertically arranged in the middle of the first grating strips (21), and the trend of the second grating strips (22) is consistent with that of the grating plate (2).

14. The outdoor rain hat of new trend system of claim 13, characterized in that: the lower part of the second grid bar (22) is provided with a flow deflector (23) extending forwards from the back.

15. The outdoor rain hat of new trend system of claim 14, characterized in that: the flow deflector (23) is in a triangular structure, a first edge (231) of the flow deflector is connected with the second grid bar (22), a second edge (232) of the flow deflector is arranged close to the bottom wall of the air guide pipe (11), a third edge (233) of the flow deflector is inclined from top to bottom, and a smooth transition arc-shaped structure (234) is formed at the joint of the second edge (232) and the third edge (233).

16. A fresh air pipeline applying the outdoor rain hat for the fresh air system as claimed in any one of claims 1 to 15, comprising a pipeline (3), and is characterized in that: an air outlet (13) of the body (1) is connected with an air inlet end of the pipeline (3).