CN213775488U

CN213775488U - Porous pipe tail silencer

Info

Publication number: CN213775488U
Application number: CN202022577689.8U
Authority: CN
Inventors: 姜涛
Original assignee: Ningbo Xinxin Precision Technology Co Ltd
Current assignee: Ningbo Xinxin Precision Technology Co Ltd
Priority date: 2020-11-10
Filing date: 2020-11-10
Publication date: 2021-07-23
Anticipated expiration: 2030-11-10

Abstract

The utility model discloses a porous pipe tail silencer in silencer technical field, including muffler pipe, abatvoix, baffle, tail pipe and perforated pipe, abatvoix fixed connection is in the middle of the lateral wall of muffler pipe, baffle fixed connection is in the inner chamber left and right sides of muffler pipe, the tail pipe is located the left side of muffler pipe, the perforated pipe cup joints the lateral wall of abatvoix, open the lateral wall of muffler pipe has the sound absorption hole, and evenly distributed a week, the inner chamber fixed connection of tail pipe has the fender, this porous pipe tail silencer, and evenly distributed a week, and structural design is reasonable, can adjust the emission and the impedance of noise and carry out the noise reduction to the noise, and noise propagation speed slows down, and the emission reduces, and the noise cancelling effect is good; mud is difficult for piling up on the silencer, and the silencer can normally work, can not cause the damage to the muffler.

Description

Porous pipe tail silencer

Technical Field

The utility model relates to a silencer technical field specifically is a porous pipe tail silencer.

Background

The automobile silencer is a part for reducing noise generated by the working of the engine of a motor vehicle, and the sound waves are interfered and offset by each other to weaken the sound intensity by the principle of sound wave superposition, so that the silencing effect is achieved.

When the existing porous pipe tail silencer is used for processing noise, the impedance and the discharge amount of the noise in the discharge process cannot be adjusted, so that the noise is concentrated and rapidly transmitted, and the noise reduction effect is poor.

When an existing silencer with a porous pipe tail meets rainwater weather, mud is easily accumulated in an inner cavity of the silencer, the silencer cannot work normally, and the silencer is easily damaged.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a porous pipe tail silencer to the impedance and the emission of current porous pipe tail silencer in the emission process can't be adjusted to having proposed in solving above-mentioned background art, and when meeting rainwater weather, the problem of mud is piled up easily to the inner chamber of silencer.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a porous pipe tail silencer, includes muffler pipe, abatvoix, baffle, tail pipe and perforated pipe, abatvoix fixed connection be in the middle of the lateral wall of muffler pipe, baffle fixed connection be in the inner chamber left and right sides of muffler pipe, the tail pipe is located the left side of muffler pipe, the perforated pipe cup joints the lateral wall of abatvoix, the lateral wall of muffler pipe is opened there is the acoustic hole, and evenly distributed a week, the inner chamber fixedly connected with fender of tail pipe, and evenly distributed a week.

Preferably, the top and the bottom of the left side of the outer side wall of the muffling tube are provided with first through holes, and the sound absorbing hole is D-shaped.

Preferably, the sound-absorbing plate is made of a member made of polyester fiber.

Preferably, the left side the right side wall and the right side of baffle the left side wall fixedly connected with of baffle inhales the sound cotton, it inhales the sound cotton for two ingredients to inhale the sound cotton.

Preferably, the guide plate is fixedly connected to the right side of the outer side wall of the fender, the second through hole is formed in the top and the bottom of the right side of the outer side wall of the tail pipe, the fixing piece is connected to the inner cavity of the second through hole in a threaded mode and penetrates through the first through hole and extends to the inner cavity of the silencing pipe.

Preferably, the inner cavity of the hole pipe is fixedly connected with a glass fiber layer, and the inner side wall of the glass fiber layer is fixedly connected with the outer side wall of the sound-absorbing plate.

Compared with the prior art, the beneficial effects of the utility model are that:

1. this porous pipe tail silencer inhales the sound hole through increasing in the noise elimination pipe, inhales the sound hole and is the D type shape, and the equidirectional difference for when the noise was through the inner chamber of noise elimination pipe, inhale the sound hole and can adjust the emission and the impedance of noise and carry out the amortization to the noise, noise propagation speed slows down, and the emission reduces, and the noise cancelling effect is good.

2. This porous pipe tail silencer is through increasing the fender on the tail pipe for when meeting rainwater weather, mud is difficult for piling up on the silencer, and the silencer can normally work, can not cause the damage to the muffler.

Drawings

FIG. 1 is a schematic view of the structure of the present invention;

FIG. 2 is a schematic sectional view of the front view of the present invention;

FIG. 3 is a schematic side view of the present invention;

fig. 4 is an enlarged schematic view of the structure a of the present invention.

In the figure: 100. a muffler pipe; 110. a sound absorption hole; 120. a first through hole; 200. a sound-absorbing panel; 300. a partition plate; 310. sound-absorbing cotton; 400. a tail pipe; 410. a fender; 420. a baffle; 430. a second through hole; 440. a fixing member; 500. a perforated pipe; 510. a glass fiber layer.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

The utility model provides a porous pipe tail silencer, which has good silencing effect and can prevent soil from accumulating on the silencer in rainy days, please refer to fig. 1-4, and comprises a silencing pipe 100, a sound-absorbing plate 200, a baffle 300, a tail pipe 400 and a porous pipe 500;

referring to fig. 1-4 again, the outer side wall of the muffling tube 100 is provided with sound-absorbing holes 110, and the sound-absorbing holes 110 are uniformly distributed for a circle, the muffling tube 100 is used for fixedly mounting the muffling plate 200 and the partition plate 300, and the sound-absorbing holes 110 are used for adjusting the emission amount and impedance of noise and performing muffling treatment on the noise;

referring to fig. 2 and 3, the sound-absorbing plate 200 is fixedly connected to the middle of the outer side wall of the sound-absorbing pipe 100, and the sound-absorbing plate 200 is used for fixing the mounting hole pipe 500;

referring to fig. 2 again, the partition plate 300 is fixedly connected to the left and right sides of the inner cavity of the muffler pipe 100, and the partition plate 300 is used for fixedly installing the sound absorbing cotton 310;

referring to fig. 2 again, the inner cavity of the tail pipe 400 is fixedly connected with the mud guard 410 and uniformly distributed for a circle, the tail pipe 400 is positioned at the left side of the muffler pipe 100, the tail pipe 400 is fixedly installed at the left side of the outer side wall of the muffler pipe 100 through the fixing member 440, the first through hole 120 and the second through hole 430, the tail pipe 400 is used for fixedly installing the mud guard 410 and the flow guide plate 420, and the mud guard 410 is used for preventing soil from entering the interior of the muffler pipe 100;

referring to fig. 1 and 2, the hole tube 500 is sleeved on the outer side wall of the sound-absorbing board 200, and the hole tube 500 is used for fixedly mounting the glass fiber layer 510.

Referring to fig. 2 and 4, in order to facilitate the fixing member 440 to fix the tail pipe 400 to the muffler pipe 100 and to enable the sound absorbing hole 110 to adjust the discharge amount and impedance of noise, the top and bottom of the left side of the outer sidewall of the muffler pipe 100 are provided with first through holes 120, and the sound absorbing hole 110 is D-shaped.

Referring to fig. 2 again, in order to increase the sound absorption effect of the sound absorption plate 200, the sound absorption plate 200 is made of a polyester fiber material.

Referring to fig. 2 again, in order to increase the silencing effect of the silencing pipe 100, sound-absorbing cotton 310 is fixedly connected to the right sidewall of the left sidewall 300 and the left sidewall of the right sidewall 300, and the sound-absorbing cotton 310 is bi-component sound-absorbing cotton.

Referring to fig. 2 and 4 again, in order to prevent soil from entering the interior of the muffler pipe 100 and to guide the gas flow to prevent the tail pipe 400 from being blocked, in order to fixedly mount the tail pipe 400 on the muffler pipe 100, a guide plate 420 is fixedly connected to the right side of the outer sidewall of the fender 410, a second through hole 430 is formed at the top and bottom of the right side of the outer sidewall of the tail pipe 400, a fixing member 440 is threadedly connected to the inner cavity of the second through hole 430, and the fixing member 440 penetrates through the first through hole 120 and extends to the inner cavity of the muffler pipe 100.

Referring to fig. 2 again, in order to make the perforated pipe 500 have a sound-deadening effect, the inner cavity of the perforated pipe 500 is fixedly connected with a glass fiber layer 510, and the inner sidewall of the glass fiber layer 510 is fixedly connected to the outer sidewall of the sound-absorbing board 200.

When the technical field personnel are in specific use, the noise enters the inner cavity of the muffler pipe 100 through the right end of the muffler pipe 100, the sound absorption holes 110 adjust the discharge amount and the impedance of the entering noise and perform noise reduction, when the noise is transmitted to the sound absorption plate 200 through the sound absorption holes 110, the sound absorption plate 200 and the glass fiber layer 510 process the transmitted noise, when meeting rain weather, the tail pipe 400 is fixedly installed on the muffler pipe 100 through the fixing piece 440, when soil enters the tail pipe 400, the soil is piled up on the mud guard 410, and meanwhile, the guide plate 420 guides the gas to a place without obstacles.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

While the invention has been described above with reference to an embodiment, various modifications may be made and equivalents may be substituted for elements thereof without departing from the scope of the invention. In particular, as long as there is no structural conflict, the various features of the disclosed embodiments of the present invention can be used in any combination with each other, and the description of such combinations is not exhaustive in the present specification only for the sake of brevity and resource conservation. Therefore, it is intended that the invention not be limited to the particular embodiments disclosed, but that the invention will include all embodiments falling within the scope of the appended claims.

Claims

1. A porous pipe tail silencer is characterized in that: including muffler pipe (100), abatvoix (200), baffle (300), tail pipe (400) and perforated pipe (500), abatvoix (200) fixed connection is in the middle of the lateral wall of muffler pipe (100), baffle (300) fixed connection is in the inner chamber left and right sides of muffler pipe (100), tail pipe (400) are located the left side of muffler pipe (100), perforated pipe (500) cup joint the lateral wall of abatvoix (200), the lateral wall of muffler pipe (100) is opened and is had sound-absorbing hole (110), and evenly distributed a week, the inner chamber fixedly connected with fender (410) of tail pipe (400), and evenly distributed a week.

2. The multi-hole pipe tail muffler according to claim 1, wherein: the top and the bottom of the left side of the outer side wall of the silencing pipe (100) are provided with first through holes (120), and the sound absorption hole (110) is D-shaped.

3. The multi-hole pipe tail muffler according to claim 1, wherein: the sound absorption plate (200) is a component made of polyester fiber.

4. The multi-hole pipe tail muffler according to claim 1, wherein: the left side the right side wall and the right side of baffle (300) the left side wall fixedly connected with of baffle (300) inhales sound cotton (310), it inhales the sound cotton for two ingredients to inhale sound cotton (310).

5. The multi-hole pipe tail muffler according to claim 1, wherein: the outer side wall right side fixedly connected with guide plate (420) of fender (410), open the outer side wall right side top and the bottom of tail pipe (400) has second through-hole (430), the inner chamber threaded connection of second through-hole (430) has mounting (440), just mounting (440) run through in first through-hole (120) and extend to the inner chamber of muffler pipe (100).

6. The multi-hole pipe tail muffler according to claim 1, wherein: the inner cavity of the hole pipe (500) is fixedly connected with a glass fiber layer (510), and the inner side wall of the glass fiber layer (510) is fixedly connected with the outer side wall of the sound absorption plate (200).