CN215175915U

CN215175915U - Silencer with concealed rain cap

Info

Publication number: CN215175915U
Application number: CN202120010319.8U
Authority: CN
Inventors: 陈为臣
Original assignee: Sichuan Sanyuan Environmental Governance Co ltd
Current assignee: Sichuan Sanyuan Environmental Governance Co ltd
Priority date: 2021-01-05
Filing date: 2021-01-05
Publication date: 2021-12-14
Anticipated expiration: 2031-01-05

Abstract

The utility model discloses a silencer with a concealed rain cap, which comprises a silencer main body and a concealed rain cap, the concealed rain cap consists of a conical rain cap outer cylinder, a conical inner rain cap, a rain cap fixed inverted cone, rain cap fixed rib plates and an air inlet pipe, the upper end of the silencer main body is fixedly connected with the lower end of the conical rain cap outer cylinder which is of a hollow structure, the two ends of the rain cap fixing inverted cone are provided with an upper opening and a lower opening, the rain cap fixing inverted cone is fixed in the conical rain cap outer cylinder through a rain cap fixing rib plate, the conical inner rain cap is fixed at the upper end of the fixed inverted cone of the rain cap, the air inlet pipe is arranged at the bottom of the outer barrel of the conical rain cap, the lower end of the conical rain cap outer barrel is also provided with a flange, and the silencer main body consists of a silencer outer frame and an internal silencing element, so that the silencer has the functions of air intake and exhaust and silencing, can effectively prevent rainwater from entering, and is not influenced by external wind power.

Description

Silencer with concealed rain cap

Technical Field

The utility model relates to a silencer technical field, concretely relates to silencer of built-in rain cap formula in area.

Background

The air intake and exhaust silencer is a common product in the field of noise elimination and reduction and is widely applied to noise reduction engineering. Some silencers are installed outdoors and need to be installed vertically, and how to prevent rain becomes a problem. The common rainproof measure is that a conical rain cap is arranged at the top of the silencer, and if the mounting height of the conical rain cap is insufficient, the exhaust area is insufficient, so that the exhaust of the silencing channel is influenced. If the installation height is too high, the manufacturing size of the rain hat needs to be increased, the wind pressure borne by the rain hat is very large when the wind power is large, and the high requirement is placed on the strength of the installation structure of the whole rain hat.

SUMMERY OF THE UTILITY MODEL

In order to overcome the above-mentioned weak point that exists among the prior art, the utility model aims to provide a silencer of built-in rain cap formula in area can satisfy the noise elimination function of admitting air, also can effectually prevent the entering of rainwater to do not receive the influence of external wind-force.

The utility model discloses a following technical scheme realizes: the inner rain cap type silencer comprises a silencer main body and an inner rain cap, wherein the inner rain cap comprises a conical rain cap outer barrel, a conical inner rain cap, a rain cap fixing inverted cone, rain cap fixing rib plates and an air inlet pipe, the upper end of the silencer main body is fixedly connected with the lower end of the conical rain cap outer barrel, the conical rain cap outer barrel is of a hollow structure, the two ends of the conical rain cap outer barrel are an upper opening and a lower opening, the rain cap fixing inverted cone is fixed inside the conical rain cap outer barrel through the rain cap fixing rib plates, the conical inner rain cap is fixed at the upper end of the rain cap fixing inverted cone, the air inlet pipe is arranged at the bottom of the conical rain cap outer barrel, a flange is further arranged at the lower end of the conical rain cap outer barrel, and the silencer main body comprises a silencer outer frame and an inner silencing element.

Further, the silencer frame adopts cuboid or cylinder.

Further, the silencer frame includes reducing portion and the flange installation department that all extends at silencer frame both ends, the silencer frame passes through the flange installation department of one end and the flange fixed connection of toper rain cap urceolus lower extreme.

Further, toper rain cap urceolus inside is equipped with the acoustic absorber layer, and the acoustic absorber layer is fixed on the fixed back taper surface of rain cap.

Further, the bottom of the inner wall of the outer cylinder of the conical rain cap is provided with a drain hole, and the drain hole is connected with a drain pipe.

Furthermore, the projection area of the conical inner rain cap is larger than the upper opening area of the conical outer rain cap barrel.

Further, the hollow area between the conical inner rain cap and the conical outer rain cap barrel is larger than the area of the air inlet pipe.

Further, noise elimination component adopts one of piece formula, matrix, shell and tube or micropore board.

Further, noise elimination component is a plurality of noise elimination pieces or a plurality of noise elimination post, and a plurality of noise elimination pieces or a plurality of noise elimination post align to grid are inside the silencer frame.

Furthermore, the noise elimination element of the utility model consists of a metal material shell and an internal sound absorption material.

Further, sound absorbent adopts centrifugal glass cotton, polyester fiber cotton or rock wool.

Compared with the prior art, the utility model, following advantage and beneficial effect have:

1. the utility model discloses rain cap urceolus is the toper structure, can reduce the windage effectively, and the bottom through the flange fastening or directly weld to the silencer on, has sufficient intensity to resist strong wind.

2. The utility model discloses rain cap's projection area is greater than the upper shed area of toper rain cap urceolus in the toper, can effectively avoid the dust to fall on the noise elimination component, and the washing away of rainwater can wash the dust on rain cap surface in the toper moreover, makes rain cap keep surface cleaning in the toper.

Drawings

Other features, objects and advantages of the invention will become more apparent upon reading of the detailed description of non-limiting embodiments with reference to the following drawings:

fig. 1 is a schematic structural view of the present invention;

FIG. 2 is a sectional view taken along line A-A of FIG. 1;

FIG. 3 is a schematic structural view of the concealed rain hat of the present invention with a sound absorption layer;

FIG. 4 is a schematic structural view of the concealed rain cap of the present invention with a drain pipe;

wherein: 1-silencer main body, 2-built-in rain cap, 3-toper rain cap outer cylinder, 4-toper rain cap, 5-rain cap fixed back taper, 6-rain cap fixed rib plate, 7-intake pipe, 8-flange, 9-sound absorbing layer, 10-silencer frame, 11-noise elimination component, 12-reducing portion, 13-flange installation portion, 14-drain pipe.

Detailed Description

Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are exemplary only for the purpose of explaining the present invention, and should not be construed as limiting the present invention.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are used merely for convenience of description and for simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention. In the description of the present invention, "a plurality" means two or more unless otherwise specified.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

The silencer with the built-in rain cap of the embodiment is composed of a silencer main body 1 and the built-in rain cap 2, and the upper end of the silencer main body 1 is fixedly connected with the lower end of the built-in rain cap 2, as shown in fig. 1, 2 and 3.

Wherein, the muffler body 1 is composed of a muffler outer frame 10 and an internal silencing element 11, the muffler outer frame adopts a cuboid or a cylinder, the silencing amount of the muffler depends on the effective silencing length of the muffler, the muffler outer frame 10 comprises a variable diameter part 12 and a flange mounting part 13 which are extended at two ends of the muffler outer frame, the silencing element adopts one of a sheet type, a matrix type, a tube type or a micropore plate, the silencing element 11 is a plurality of silencing sheets or a plurality of silencing columns which are uniformly arranged inside the muffler outer frame, the silencing element 11 is composed of a metal material shell and an internal sound absorption material, the metal material shell adopts a cold plate and a hot plate, the sound absorption material is made of centrifugal glass cotton, polyester fiber cotton or rock wool; the muffler of the microporous plate structure is not filled with sound absorbing material.

Concealed rainhat 2 comprises toper rainhat urceolus 3, rainhat 4 in the toper, rainhat fixed back taper 5, rainhat fixed rib plate 6 and intake pipe 7, intake pipe 7 sets up the bottom at toper rainhat urceolus 3, 3 lower extremes of toper rainhat urceolus still are equipped with flange 8, toper rainhat urceolus 3 is the toper structure, can reduce the windage effectively, and the bottom is through flange 8 and the flange mounting portion 13 fixed connection of silencer frame upper end, or the direct welding mode is fixed, there is sufficient intensity to resist the strong wind.

Silencer frame 10 upper end and 3 lower extreme fixed connection of toper rain cap urceolus, toper rain cap urceolus 3 are hollow structure, and its both ends are upper shed and under shed, and rain cap fixed back taper 5 is fixed inside toper rain cap urceolus 3 through rain cap fixed rib plate 6, and rain cap 4 is fixed in the toper in 5 upper ends of rain cap fixed back taper, and interior rain cap 4 bottom is the back taper structure, can effectually reduce the windage that intake pipe air current got into the rain cap.

In order to enhance the silencing effect of the silencer, a sound absorption layer 9 is arranged inside the conical rain cap outer cylinder 3, and the sound absorption layer 9 is fixed on the surface of the fixed inverted cone 5 of the rain cap.

The bottom of the inner wall of the conical rain cap outer cylinder 3 is provided with a drain hole which is connected with a drain pipe 14, when rainwater enters the interior of the rain cap, the rainwater flows to the side surface along the inner rain cap and then flows to the bottom of the inner wall of the rain cap, and can be directly discharged from the bottom, or a water collecting groove is arranged at the bottom of the rain cap, and the rainwater is collected and then discharged through the drain pipe 14.

The projection area of the inner conical rain cap 4 is larger than the upper opening area of the outer conical rain cap barrel 3, so that dust can be effectively prevented from falling onto the silencing element 11, and the rainwater can wash away the dust on the surface of the inner conical rain cap 4, so that the inner conical rain cap 4 keeps clean.

In order to ensure that the air flow can smoothly pass through, the design that the inner hollow area between the conical inner rain cap 4 and the conical outer rain cap barrel 3 is larger than the area of the air inlet pipe 7 is adopted.

The utility model discloses a theory of operation: when raining, no matter how big the external wind is, the rainwater can only get into inside through the upper shed of toper rain cap urceolus 3, because 3 top areas of toper urceolus are less than 4 areas of inside interior rain cap, the rainwater can directly fall on interior rain cap, and the rainwater on interior rain cap 4 flows to the clearance between toper rain cap urceolus 3 and the intake pipe 7 along interior rain cap, then flows to the silencer main part outside.

While embodiments of the present invention have been shown and described, it will be understood by those of ordinary skill in the art that: various changes, modifications, substitutions and alterations can be made to the embodiments without departing from the principles and spirit of the invention, the scope of which is defined by the claims and their equivalents.

Claims

1. The utility model provides a silencer of built-in rain cap formula in area which characterized in that: the silencer comprises a silencer main body and an internal rain cap, wherein the internal rain cap consists of a conical rain cap outer barrel, a conical internal rain cap, a rain cap fixing inverted cone, rain cap fixing rib plates and an air inlet pipe, the upper end of the silencer main body is fixedly connected with the lower end of the conical rain cap outer barrel, the conical rain cap outer barrel is of a hollow structure, the two ends of the conical rain cap outer barrel are provided with an upper opening and a lower opening, the rain cap fixing inverted cone is fixed inside the conical rain cap outer barrel through the rain cap fixing rib plates, the conical internal rain cap is fixed at the upper end of the rain cap fixing inverted cone, the air inlet pipe is arranged at the bottom of the conical rain cap outer barrel, the lower end of the conical rain cap outer barrel is further provided with a flange, and the silencer main body consists of a silencer outer frame and an internal silencing element.

2. The muffler with built-in raincap of claim 1, wherein: the outer frame of the silencer adopts a cuboid or a cylinder.

3. The muffler with built-in raincap according to claim 1 or 2, characterized in that: the silencer frame includes reducing portion and the flange installation department that all extends at silencer frame both ends, the silencer frame passes through the flange installation department and the flange fixed connection of toper rain cap urceolus lower extreme of one end.

4. The muffler with built-in raincap of claim 3, wherein: the sound absorption layer is arranged inside the outer barrel of the conical rain cap and fixed on the surface of the fixed inverted cone of the rain cap.

5. The muffler with built-in raincap according to claim 1 or 4, wherein: and a drain hole is formed in the bottom of the inner wall of the outer barrel of the conical rain cap and is connected with a drain pipe.

6. The muffler with built-in raincap of claim 1, wherein: the projection area of the conical inner rain cap is larger than the upper opening area of the conical outer rain cap barrel.

7. The muffler with built-in raincap of claim 6, wherein: the inner hollow area between the conical inner rain cap and the conical outer rain cap is larger than the area of the air inlet pipe.

8. The muffler with built-in raincap according to claim 1 or 7, wherein: the silencing element is a plurality of silencing sheets or a plurality of silencing columns which are uniformly arranged inside the outer frame of the silencer.

9. The muffler with built-in raincap of claim 8, wherein: the silencing element consists of a metal material shell and an internal sound absorption material.

10. The muffler with built-in raincap of claim 9, wherein: the sound absorption material is made of centrifugal glass wool, polyester fiber wool or rock wool.