CN215804815U

CN215804815U - Smoke exhaust structure of generator silencer

Info

Publication number: CN215804815U
Application number: CN202121990972.1U
Authority: CN
Inventors: 李健辉
Original assignee: Shenzhen NYY Technology Co Ltd
Current assignee: Shenzhen NYY Technology Co Ltd
Priority date: 2021-08-23
Filing date: 2021-08-23
Publication date: 2022-02-11
Anticipated expiration: 2031-08-23

Abstract

The utility model discloses a smoke exhaust structure of a generator silencer, which comprises a silencer tail pipe, a smoke outlet pipe and a cover plate fixing seat, wherein the smoke outlet pipe is communicated with the silencer tail pipe, the top of the smoke outlet pipe is provided with a smoke outlet, the bottom of the smoke outlet pipe is provided with a water outlet, the cover plate fixing seat surrounds the periphery of the smoke outlet, and the cover plate fixing seat is rotatably connected with a cover plate for covering the smoke outlet. The smoke exhaust structure of the silencer of the generator disclosed by the utility model can open smoke under the action of exhaust pressure when the generator works by rotating the cover plate connected to the smoke exhaust pipe, and the smoke exhaust port is closed under the action of self gravity when the generator stops working, so that impurities are prevented from entering the smoke exhaust pipe to block the water outlet.

Description

Smoke exhaust structure of generator silencer

Technical Field

The utility model relates to the field of generator smoke ejectors, in particular to a smoke evacuation structure of a generator silencer.

Background

At present, the post-processing structure of the generator is more and more complex, and the requirements on dust prevention and water prevention are higher and higher. The original tail gas exhaust pipe has poor waterproof performance, and rainwater easily flows back to the post-treatment or the silencer to influence the performance of the post-treatment.

The tail gas exhaust pipe in the prior art is simple in structure, rainwater is easily poured into the post-treatment along the exhaust pipe in rainy areas such as the south, the performance and the normal operation of the generator are affected, even the post-treatment is failed, and the generator cannot operate.

Therefore, it is necessary to provide a smoke exhausting structure of a generator silencer to solve the above technical problems.

SUMMERY OF THE UTILITY MODEL

The utility model mainly aims to provide a smoke exhaust structure of a silencer of a generator, aiming at solving the problem that rainwater flows backwards into the generator in rainy days due to the fact that foreign matters block the water outlet of a smoke outlet pipe when the generator stops running.

In order to achieve the purpose, the smoke exhaust structure of the silencer of the generator provided by the utility model comprises a silencer tail pipe, a smoke outlet pipe and a cover plate fixing seat, wherein the smoke outlet pipe is communicated with the silencer tail pipe, the top of the smoke outlet pipe is provided with a smoke outlet, the bottom of the smoke outlet pipe is provided with a water outlet, the cover plate fixing seat surrounds the circumference of the smoke outlet, and the cover plate fixing seat is rotatably connected with a cover plate for covering the smoke outlet.

Optionally, the cover plate fixing seat comprises a square frame body and flanges fixedly connected to two sides of the square frame body, and the flanges are fixedly connected with the top of the tobacco pipe through bolts.

Optionally, a connecting portion is formed by extending two sides of the square frame body towards a direction close to the muffler tail pipe, two sides of the cover plate are bent towards the smoke outlet pipe to form a baffle, the baffle is located on the outer side of the square frame body, and the baffle is rotatably connected with the connecting portion.

Optionally, the baffle is connected with the connecting part in a matched manner through a stud and a nut.

Optionally, the hinged end of the cover plate extends towards the tail pipe of the silencer to form a limiting stop sheet.

Optionally, the baffle is provided with a notch for conveniently turning over the cover plate.

Optionally, one end of the cover plate, which is far away from the limiting blocking piece, is fixedly connected with a turning plate which is convenient for turning the cover plate.

Optionally, the smoke outlet pipe comprises a back plate connected with the silencer tail pipe, a top plate fixedly connected with the upper end of the back plate, a bottom plate fixedly connected with the lower end of the back plate, side plates arranged on two sides of the back plate and an arc plate arranged opposite to the back plate, the side edges of the arc plate are fixedly connected with the top plate, the bottom plate and the two side plates respectively, and the arc plate protrudes towards the direction deviating from the silencer tail pipe.

Optionally, the cover plate is a stainless steel cover plate.

Optionally, the number of the water outlets is multiple and the water outlets are arranged at the bottom of the tobacco outlet pipe at intervals.

In the technical scheme of the utility model, when the generator starts to operate, the exhaust gas of the generator is blown into the smoke outlet pipe through the tail pipe of the silencer, and after the air pressure in the smoke outlet pipe reaches a certain value, the cover plate which is rotatably connected to the cover plate fixing plate is blown open, so that the waste gas generated during the operation of the generator is discharged, the normal operation of the engine can be ensured, and the automatic closing state can be realized by the self weight of the cover plate when the engine stops operating. Therefore, when the engine stops running, foreign matters are prevented from entering from the smoke outlet to block the water outlet of the smoke pipe, and accidents that rainwater flows backward into the generator in rainy days are avoided.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the structures shown in the drawings without creative efforts.

FIG. 1 is a schematic structural diagram of a smoke exhausting structure of a silencer of a generator according to an embodiment of the present invention;

FIG. 2 is a schematic view of the internal structure of the pipe according to the embodiment of the present invention;

fig. 3 is a schematic structural diagram of a cover plate in an embodiment of the utility model.

The reference numbers illustrate:

the implementation, functional features and advantages of the objects of the present invention will be further explained with reference to the accompanying drawings.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

It should be noted that all the directional indicators (such as up, down, left, right, front, and rear … …) in the embodiment of the present invention are only used to explain the relative position relationship between the components, the movement situation, etc. in a specific posture (as shown in the drawing), and if the specific posture is changed, the directional indicator is changed accordingly.

In addition, the descriptions related to "first", "second", etc. in the present invention are only for descriptive purposes and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In the description of the present invention, "a plurality" means at least two, e.g., two, three, etc., unless specifically limited otherwise.

In the present invention, unless otherwise expressly stated or limited, the terms "connected," "secured," and the like are to be construed broadly, and for example, "secured" may be a fixed connection, a removable connection, or an integral part; can be mechanically or electrically connected; they may be directly connected or indirectly connected through intervening media, or they may be connected internally or in any other suitable relationship, unless expressly stated otherwise. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.

In addition, the technical solutions in the embodiments of the present invention may be combined with each other, but it must be based on the realization of those skilled in the art, and when the technical solutions are contradictory or cannot be realized, such a combination of technical solutions should not be considered to exist, and is not within the protection scope of the present invention.

The utility model provides a method for preventing the accident that rainwater flows backwards into a generator in rainy days due to the fact that foreign matters block the water outlet of a smoke outlet pipe when the generator stops running.

Referring to fig. 1 and 2, the smoke exhaust structure of the generator silencer provided by the utility model comprises a silencer tail pipe 1, a smoke outlet pipe 2 and a cover plate fixing seat 3, wherein the smoke outlet pipe 2 is communicated with the silencer tail pipe 1, the top of the smoke outlet pipe 2 is provided with a smoke outlet 21, the bottom of the smoke outlet pipe 2 is provided with a water outlet 22, the cover plate 4 fixing seat 3 surrounds the circumference of the smoke outlet 21, and the cover plate 4 for covering the smoke outlet 21 is rotatably connected to the cover plate 4 fixing seat 3.

In this embodiment, the tobacco outlet pipe 2 is made of stainless steel, so as to ensure the strength and corrosion resistance of the tobacco outlet pipe 2, and the tobacco outlet 21 at the top of the tobacco outlet pipe 2 can be a round opening or a square opening; the water outlet 22 at the bottom of the tobacco pipe 2 may be a circular opening or a square opening.

During concrete implementation, when the generator starts to operate, the generator exhausts and blows in the smoke pipe 2 through the silencer tail pipe 1, after the air pressure in the smoke pipe 2 reaches a certain value, the cover plate 4 connected to the fixing plate of the cover plate 4 in a rotating mode is blown open, so that the generator works to produce waste gas to be exhausted, normal working operation of the engine can be guaranteed, and the automatic closing state can be realized by means of the weight of the cover plate 4 when the engine stops operating. Therefore, when the engine stops running, foreign matters are prevented from entering from the smoke outlet 21 to block the water outlet 22 of the smoke outlet pipe 2, and the accident that rainwater flows backwards into the generator in rainy days is avoided.

Further, the cover plate fixing seat 3 comprises a square frame 31 and flanges 32 fixedly connected to two sides of the square frame 31, and the flanges 32 are fixedly connected with the top of the tobacco pipe 2 through bolts 5. In the present embodiment, the square frame is used to support the cover plate 4, and the flanges 32 at two sides of the square frame 31 are detachably connected with the tobacco pipe 2 through the bolts 5. The square frame 31 can support the cover plate 4 on one hand and can prevent rainwater from entering the smoke outlet 21 under the cooperation with the cover plate 4 on the other hand.

Referring to fig. 3, two sides of the square frame 31 extend in a direction approaching the muffler tail pipe 1 to form connecting portions 33, two sides of the cover plate 4 are bent in a direction of the pipe 2 to form a baffle plate 41, the baffle plate 41 is located outside the square frame 31, and the baffle plate 41 is rotatably connected to the connecting portions 33. In this embodiment, the baffle 41 is rotatably connected to the connecting portion 33 so that the cover plate 4 can be turned over, and the baffle 41 is located outside the square frame body so that the cover plate covers the smoke outlet 21, so as to better seal the smoke outlet 21, thereby preventing external impurities and foreign matters from entering the smoke outlet 21 into the smoke outlet 2 to block the water outlet 22.

Further, the baffle plate 41 is connected with the connecting part in a matching mode through a stud 6 and a nut 7. In the embodiment, the nut 7 is used for screwing the stud 6, and the length of the stud 6 is larger than the sum of the depth of the nut 7, the thickness of the connecting part 33 and the thickness of the baffle plate 41, so that the effect that the nut 7 screws the bolt 5 and the cover plate 4 and the cover plate fixing seat 3 can also freely rotate is achieved. On the other hand, the cover plate 4 is directly detachable from the square frame 31 through the matching of the nut 7 and the bolt 5.

Further, the hinged end of the cover plate 4 extends towards the muffler tail pipe 1 to form a limiting stop piece 43. In this embodiment, when the generator exhausts air to blow open the cover plate 4 through the limiting blocking piece 43, the opening angle of the cover plate is smaller than 90 degrees, so that the cover plate 4 cannot be reset to cover the smoke outlet 21 after the generator stops working.

In another embodiment, the limiting blocking sheet 43 may be disposed on the top of the cigarette outlet 2 to limit the cover plate 4, so as to prevent the cover plate 4 from being turned too much and being unable to reset to close the cigarette outlet 21.

Furthermore, the baffle 41 is provided with a notch 42 for turning the cover plate 4. Specifically, in order to make the cover plate 4 more comfortable to turn by hand, the notch 42 is arranged in a semicircular shape.

Further, a turning plate 44 for turning the cover plate 4 is fixedly connected to one end of the cover plate 4 far away from the limiting blocking piece 43. In this embodiment, the turning plate 44 is provided to facilitate turning of the cover plate 4 when the condition inside the smoke discharging pipe 2 needs to be detected, and on the other hand, the turning plate has an effect of further closing the smoke discharging port 21, thereby preventing the entry of foreign matters and the diversion of rainwater on the cover plate 4.

Further, the tobacco pipe 2 includes a back plate 23 connected to the muffler tail pipe 1, a top plate 25 fixedly connected to the upper end of the back plate 23, a bottom plate 26 fixedly connected to the lower end of the back plate 23, side plates 27 oppositely disposed on two sides of the back plate 23, and an arc plate 24 oppositely disposed to the back plate 23, wherein the side edges of the arc plate 24 are respectively fixedly connected to the top plate 25, the bottom plate 26, and the two side plates 27, and the arc plate 24 protrudes in a direction away from the muffler tail pipe 1. In this embodiment, the arc plate 24 is arranged to enable rainwater entering the tobacco pipe 2 to flow to the bottom of the tobacco pipe along the arc plate 24 and then to be discharged from the water outlet 3.

In one embodiment, the cover plate 4 is a stainless steel cover plate. The stainless steel cover plate can resist the corrosion of weak corrosive media such as air, steam, water and the like, and the service life of the cover plate 4 is prolonged.

In one embodiment, the drainage openings 22 are multiple and spaced at the bottom of the tobacco pipe 2. The provision of a plurality of water discharge ports 22 in this embodiment can accelerate the rate of discharge of rainwater into the pipe 2, preventing excessive backflow of rainwater into the muffler tail pipe 1.

The above description is only a preferred embodiment of the present invention, and not intended to limit the scope of the present invention, and all modifications and equivalents of the technical solutions of the present invention, which are made by using the contents of the present specification and the accompanying drawings, or directly/indirectly applied to other related technical fields, are included in the scope of the present invention.

Claims

1. A smoke exhaust structure of a generator silencer is characterized by comprising

A muffler tail pipe;

the smoke outlet pipe is communicated with the silencer tail pipe, the top of the smoke outlet pipe is provided with a smoke outlet, and the bottom of the smoke outlet pipe is provided with a water outlet;

the cover plate fixing seat surrounds the periphery of the smoke outlet, and a cover plate used for covering the smoke outlet is rotatably connected to the cover plate fixing seat.

2. The smoke exhaust structure of the generator silencer according to claim 1, wherein the cover plate fixing seat comprises a square frame body and flanges fixedly connected to two sides of the square frame body, and the flanges are fixedly connected with the top of the smoke exhaust pipe through bolts.

3. The smoke exhaust structure of the generator silencer according to claim 2, wherein the two sides of the square frame extend in a direction close to the silencer tail pipe to form a connecting part, the two sides of the cover plate are bent in a direction of the smoke exhaust pipe to form a baffle plate, the baffle plate is located on the outer side of the square frame, and the baffle plate is rotatably connected with the connecting part.

4. The smoke evacuation structure of generator silencer according to claim 3, wherein said baffle is connected with said connection portion by a stud and a nut.

5. The smoke evacuation structure of generator silencer according to claim 3, wherein the hinged end of the cover plate extends to the direction of the silencer tail pipe to form a limit stop.

6. The smoke exhaust structure of the generator silencer of claim 5, wherein the baffle is provided with a notch for turning the cover plate conveniently.

7. The smoke evacuation structure of a generator silencer according to claim 5, wherein a turning plate for turning over the cover plate is fixedly connected to one end of the cover plate far away from the limiting blocking piece.

8. The smoke exhaust structure of the generator silencer according to claim 1, wherein the smoke exhaust pipe comprises a back plate connected with the silencer tail pipe, a top plate fixedly connected with the upper end of the back plate, a bottom plate fixedly connected with the lower end of the back plate, side plates oppositely arranged on two sides of the back plate and an arc-shaped plate oppositely arranged with the back plate, the side edges of the arc-shaped plate are respectively fixedly connected with the top plate, the bottom plate and the two side plates, and the arc-shaped plate protrudes in a direction away from the silencer tail pipe.

9. The smoke evacuation structure of a generator muffler according to claim 1, wherein the cover plate is a stainless steel cover plate.

10. The smoke evacuation structure of a generator silencer according to claim 1, wherein the number of the water discharge ports is plural and the water discharge ports are arranged at the bottom of the smoke discharge pipe at intervals.