KR102494103B1 - windproof hood cap - Google Patents

Abstract

The present invention relates to a windproof hood cap installed on an outer wall of a building when ventilating indoor air of an apartment or house to the outdoors. More particularly, the present invention relates to a windproof hood cap for facilitating the discharge of internal air and blocking the inflow of external air to structurally prevent cold air or contaminated air from entering the inside of the hood cap, and improving the structure to reduce air resistance and prevent damage to internal devices due to pressure due to headwind.

Description

Windproof hood cap {windproof hood cap}

The present invention relates to a windproof hood cap installed on the outer wall of a building when ventilating indoor air of an apartment or house to the outdoors, which allows for smooth discharge of internal air and blocks the inflow of external air, thereby structurally reducing the external air flow. To prevent cold air or polluted air from entering the inside of the hood cap, improve the structure to reduce air resistance, and prevent damage to internal devices due to pressure caused by headwind. It is about a windproof hood cap.

In general, the hood cap is connected to a duct connected to the outdoor side of the building and is used for the purpose of ventilating the indoor polluted air. There is a drawback that noise is generated in the room.

This hood cap is mounted on a ventilation hole installed on the wall of a building and inserted into a duct that communicates with the inside and outside, and an exhaust passage is formed at equal intervals at the end of the horizontal cylindrical pipe, and a windbreak is installed on the supporting connecting piece. It is installed or has a structure in which a semicircular cutout shield plate is formed at the bottom of a circular cap.

The hood cap of this structure affects the exhaust flow by the hood cap when rain and wind blows, flows backward and flows in through the communication duct, overloading the internal facility (exhaust fan), causing indoor noise, shortening of life, and leakage factors pointed out as

To solve this problem, the disclosed ventilation cap will be described.

According to Korean Utility Model Registration No. 20-0201440, the inclined plane of the outer cover forms an end line on one side of the protrusions protruding roundly, and at the same time forms several ventilation holes while forming a curved surface that is recessed toward the inner space, A technology has been known regarding a ventilation cap in which process convenience such as simple and easy manufacturing is ensured by configuring the guide vanes extending into the inner space between the ventilation holes to be inclined planes.

However, the ventilation cap of the above patent has a problem in that the flow or discharge of airflow is not smooth as the ventilation hole through which indoor air is discharged faces downward and the ventilation hole is formed between the inclined planes. There was a problem of reverse flow in the indoor direction.

According to Korean Patent Registration No. 10-1197155, in order to construct a vent cap, the head and body are sequentially manufactured using a single metal plate instead of manufacturing and combining the head and body to shorten the manufacturing process and reduce manufacturing cost. A ventilation cap capable of reducing and a technology for manufacturing a ventilation cap has been known.

However, the ventilation cap of the above patent also has the effect of blocking the inflow of rainwater by directing the hood formed as a through hole through which air flow is discharged downward, but the flow of air flow is restricted and the discharge of air flow is prevented when external wind pressure is generated downward There is a problem that is not smooth.

According to Korean Patent Registration No. 10-1543603, a main body having inflow prevention wings inclined outward to prevent the wind from flowing backward into the duct from the outside and a flow path formed in the center of the main body are blocked to form a bypass. A waterproof vent cap that prevents the back flow of air from the outside to the inside, so that the ventilation can be performed efficiently and prevent the back flow of rainwater from the outside. The related technology has been announced.

However, in the ventilation cap of the above patent, the space in which the through hole is formed between the inflow prevention wing of the main body and the cover is narrow, so that even though it has the effect of preventing the external air and rainwater from flowing backward due to the external wind pressure, the water barrier formed at both ends of the cover when a front draft occurs There is a problem in that ventilation efficiency is lowered by blocking the through hole when thrust is generated in the direction of the wall from the slab so that the discharge of the air flow is not smooth, and the through hole is similarly blocked when a side draft occurs.

In Korean Patent Laid-open Publication No. 10-2018-0089028, a backwind prevention membrane with a backwind prevention curtain is installed inside the hood cap to smoothly discharge indoor air while effectively blocking the inflow of outside air and rainwater. cap was initiated.

However, the above patent employs a backwind prevention membrane, but when used for a long period of time, the backwind prevention membrane needs to be replaced due to the snow-filling phenomenon, and the complicated structure has not been solved.

As described above, the conventional ventilation cap has a problem in that ventilation efficiency is lowered due to a change in external wind pressure, and noise is generated due to large-capacity exhaust.

Korean Utility Model Registration No. 20-0201440 Republic of Korea Patent No. 10-1197155 Republic of Korea Patent No. 10-1543603 Republic of Korea Patent Publication No. 10-2018-0089028

In order to solve the above problems, the present invention has invented a new technology, and the hood cap, which is a finishing material installed on the outer wall of a building for ventilation, can be smoothly ventilated without applying pressure due to headwind or damage to internal devices. At the same time, the purpose is to completely block the headwind.

In addition, an object of the present invention is to fundamentally block stains so that stains do not occur on the outer wall of a building due to contaminants generated during ventilation.

In addition, an object of the present invention is to provide a windproof hood cap that minimizes interference by headwinds, reduces noise, prevents ventilation efficiency from deteriorating, and maximizes indoor air exhaust performance.

In addition, the present invention smoothly discharges indoor air to the outside in an elbow shape through the insertion hole formed between the hood cap and the housing, but even if the outside air is introduced through the insertion hole, it hits the bottom of the housing and disappears, effectively blocking headwind. The purpose is to provide a windproof hood cap that can be used.

In addition, an object of the present invention is to provide a windproof hood cap that is easy to manufacture due to its simple structure and can reduce manufacturing costs compared to the prior art.

The configuration of the present invention for achieving the above object will be described in detail based on the accompanying drawings.

The configuration of the windproof hood cap according to the present invention is,

A connection pipe 20 connected to the exhaust pipe 10 by being embedded in the building wall W so that the housing 30 having the front-opened insertion port 31 at the front end is exposed to the outside;

An insect screen 40 that is fastened to the bottom surface of the insertion hole 31 of the housing 30 and is fastened by a fastener so as to block the entrance to the connection tube 20 to prevent the inflow of insects, mice or other foreign substances from the outside;

The flange part 51 is formed so that it can be fastened by fasteners in close contact with the insect screen 40, and the ventilation window 52 is spaced on the side so that indoor air can be discharged while blocking external air. a hood cap 50 formed while leaving;

It is characterized by comprising a.

In addition, the hood cap 50 of the present invention is inserted into the insertion hole 31 of the housing 30 and is configured not to protrude to the outside.

In addition, the present invention is characterized in that the hood cap 50 forms a gap with the housing 30 so that indoor air is discharged in an elbow shape through the ventilation window 52 and the insertion hole 31.

In addition, the present invention is characterized in that the housing 30 is formed larger than the diameter of the connecting tube body 20 and configured to be integrally coupled.

In addition, the present invention is characterized in that the insect screen 40 and the hood cap 50 are configured to be simultaneously fastened by a fastener.

According to the present invention having the above characteristics, the hood cap inserted and mounted in the inner insertion hole of the housing is protected from external impact, and the external wind blowing from the front or side of the hood cap is blocked from entering the inside of the hood cap. It works.

In addition, according to the present invention, since the hood cap is formed at the inlet of the housing, rainwater or snow is prevented from entering the hood cap, and the hood cap is inserted into the inlet of the housing so that rainwater does not reach, so that rainwater or snow does not enter the room. There is an effect that can solve the problem of the conventional hood cap causing stains on the wall due to air.

In addition, according to the present invention, indoor air discharged from the room is smoothly discharged through the ventilation window perforated on the side of the hood cap through the insertion hole between the housings, thereby preventing condensation problems caused by the reverse flow of wind in winter, and raindrops , there is an effect of preventing contamination and corrosion of the exhaust pipe and the exhaust fan, etc., because snow does not flow into the exhaust pipe.

1 is a perspective view showing a windproof hood cap according to the present invention.
2 is an exploded perspective view showing a windproof hood cap according to the present invention in a detached manner.
3 is a cross-sectional view showing a windproof hood cap according to the present invention.
4 is a plan view and a bottom view showing a windproof hood cap according to the present invention.
5 is a cross-sectional view of a state of use showing a state in which the windproof hood cap according to the present invention is installed on a wall surface.

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS The detailed description of the present invention which follows refers to the accompanying drawings which illustrate, by way of example, specific embodiments in which the present invention may be practiced. These embodiments are described in sufficient detail to enable any person skilled in the art to practice the present invention. It should be understood that the various embodiments of the present invention are different, but need not be mutually exclusive. For example, specific shapes, structures, and characteristics described herein may be implemented in other embodiments without departing from the spirit and scope of the present invention with respect to one embodiment. In addition, it should be understood that the location or arrangement of individual components within each disclosed embodiment may be changed without departing from the spirit and scope of the present invention. Accordingly, the detailed description set forth below is not to be taken in a limiting sense, and the scope of the present invention is limited only by the appended claims, along with all equivalents as claimed by those claims. Like reference numbers in the drawings indicate the same or similar function throughout the various aspects.

The present invention is a windproof hood cap installed on the outer wall of a building to block external air when ventilating indoor air of an apartment or house to the outdoors. 20) and the housing 30 integrally formed, and an insect screen 40 fastened by a fastener to block the inlet leading to the connection tube 20 to prevent the inflow of insects, mice or other foreign substances from the outside, It consists of a hood cap 50 formed with a ventilation window 52 spaced apart on the side so as to block external air and discharge indoor air at the same time.

The main configuration of the present invention described above will be described in detail through the drawings.

First, the connecting tube body 20 is extended to a predetermined length in a tubular shape so as to be inserted from the outside into a ventilation hole formed by penetrating the wall W of the building, and the housing 30 expanded as the front end is bent outward to the wall (W) It is formed to be inserted into the exhaust pipe 10 so as to be exposed to the outside.

In addition, the housing 30 formed integrally with the connecting tube body 20 and exposed to the outside forms an insertion hole 31 with an open front, and the housing 30 is through the wall with the connecting tube body 20 ( W) is mounted in close contact with it. At this time, the connecting tube body 20 is formed larger than the diameter of the housing 30.

And on the bottom of the insertion hole 31 of the housing 30, the insect screen 40 is in close contact so that it is fastened by the fastener so as to block the inlet leading to the connection pipe 20 to prevent the inflow of insects, mice or other foreign substances from the outside form to be

In addition, the hood cap 50, which is in close contact with the insect screen 40 inserted into the insertion hole 31 of the housing 30 to discharge indoor air and blocks external air, is inserted and fastened with a fastener to fix it. form The hood cap 50 is made of metal or synthetic resin.

At this time, a flange portion 51 is formed at the edge of the hood cap 50 so that the hood cap 50 in close contact with the insect screen 40 is integrally fixed, so that the flange portion 51 and the insect screen 40 are closely attached to each other. Then, the flange portion 51 and the insect screen 40 are integrally fixed with a fastener.

A gap is formed between the hood cap 50 inserted into the insertion hole 31 of the housing 30 and the housing 30 . That is, in order to form a gap, the diameter of the housing 30 is formed larger than the diameter of the hood cap 50.

In addition, a plurality of ventilation windows 52 are formed by perforating the side of the hood cap 50 at intervals to discharge indoor air to the outside.

Therefore, the indoor air discharged through the connecting tube body 20 is discharged to the outside through the ventilation window 52 and through the insertion hole 31 in which the gap formed between the housing 30 and the hood cap 50 is formed. will be. That is, the indoor air does not go straight through the hood cap 50, but is discharged through the ventilation window 52 on the side and through the insertion port 31 formed in the form of an elbow.

As described above, since the front of the hood cap 50 is closed and the ventilation window 52 is formed on the side, external air is also prevented from directly flowing into the hood cap 50 . That is, even if the outside air flows into the insertion hole 31 where the gap is formed between the housing 30 and the hood cap 50, it hits the bottom surface of the housing 30 and disappears, so that it flows into the ventilation window 52. that will prevent

That is, the housing 30 has a function of blocking the inflow of head wind to prevent reverse air from entering into the ventilation window 52 of the hood cap 50 .

In addition, since the hood cap 50 mounted on the inner insertion hole 31 of the housing 30 as described above is inserted into the insertion hole 31 of the housing 30 so that the side surface is not visible to the outside, the hood cap 50 It is covered by the housing 30 to block rainwater or snow from entering the inside of the hood cap 50, and rainwater does not reach, so that rainwater or snow comes into contact with indoor air and causes stains on the wall W. There is an effect that can solve the problems of the conventional hood cap.

In addition, the hood cap 50 formed in the windproof hood cap according to the present invention is inserted into the insertion hole 31 of the housing 30 exposed to the outside of the building wall W to cover the front and side surfaces so as not to be seen from the outside. Thus, it can be protected from external shocks.

In the above, the present invention has been described based on the preferred embodiments, but the technical idea of the present invention is not limited thereto, and modifications or changes can be made within the scope described in the claims. Those skilled in the art to which the present invention belongs is obvious, and such modifications or alterations will fall within the scope of the appended claims.

10. Exhaust pipe 20. Connection pipe
30. Housing 31. Insertion
40. Insect screen 50. Hood cap
51. Flange 52. Ventilation window

Claims (5)

The connection pipe 20 connected to the exhaust pipe 10 is embedded in the building wall W. A housing 30 formed integrally with the connecting tube body 20 and having an insertion port 31 with a front side open at the front end;
An insect screen 40 that is fastened to the bottom surface of the insertion hole 31 of the housing 30 and is fastened by a fastener so as to block the entrance to the connection tube 20 to prevent the inflow of insects, mice or other foreign substances from the outside;
The flange part 51 is formed to be in close contact with the insect screen 40 so that it can be simultaneously fastened integrally by fasteners, and the ventilation window 52 is provided to block external air and discharge indoor air at the same time. hood caps 50 formed at intervals on the side;
including,
The housing 30 is formed to have a larger diameter than the connector body 20, and the hood cap 50 inserted into the insertion hole 31 of the housing 30 is inserted into the inside so that the side is not visible from the outside, The hood cap 50 is covered by the housing 30 to block rainwater or snow from entering the inside of the hood cap 50, so that rainwater or snow does not come into contact with indoor air and cause stains on the wall surface. (50) is a windproof hood cap characterized in that it is configured to form a gap with the housing (30) so that indoor air is discharged through the ventilation window (52) and through the insertion hole (31) in an elbow shape. delete delete delete delete

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