CN207454090U - A kind of new-energy automobile muffler - Google Patents

Abstract

The utility model discloses a kind of new-energy automobile mufflers, including listening housing main body, noise reduction bench-type plate and inlet chamber, the outer wall middle part of the housing main body is fixedly connected with sound panel, the inlet chamber is arranged on the top of housing main body, and it is fixedly connected on the inside of housing main body, noise reduction sponge is provided on the outside of the noise reduction cavity, the top of the noise reduction bench-type plate offers noise reduction mouth, the bottom of the noise reduction bench-type plate offers the silencing cavity connected with noise reduction mouth, and the end face of the noise reduction bench-type plate offers the first bloop.The new-energy automobile muffler structure is reasonable, occupies small, good muffling effect, while its inside noise reduction is greatly improved performance muffler, reduces the exhaust noise of automobile exhaust pipe using inner straight formula multistage acoustical panel.

Description

A kind of new-energy automobile muffler

Technical field

The utility model is related to field of automobile, are specially a kind of new-energy automobile muffler.

Background technology

Mobile muffler is mounted on automobile exhaust pipe tail end position, plays the role of certain noise reduction, reduces certain Noise pollution, but existing mobile muffler is mostly using the structure noise reduction of twin-tube circuit formula, such noise-reducing structure It is larger so that the space of bottom of car is more crowded, while erasure effect is general, how to solve the problems, such as existing into automobile system Make a big problem in field.

Utility model content

The purpose of this utility model is to provide a kind of new-energy automobile muffler, to solve to carry in above-mentioned background technology The problem of going out.

To achieve the above object, the utility model provides following technical solution：A kind of new-energy automobile muffler, including Housing main body, noise reduction bench-type plate and inlet chamber are listened, the outer wall middle part of the housing main body is fixedly connected with sound panel, described Inlet chamber is arranged on the top of housing main body, and the distal center position of the housing main body offers gas outlet, the noise reduction platform Template is provided with 5 groups, and is fixedly connected on the inside of housing main body, is offered between the noise reduction bench-type plate and is arranged on shell master The noise reduction cavity in internal portion is provided with noise reduction sponge on the outside of the noise reduction cavity, and the top of the noise reduction bench-type plate offers Noise reduction mouth, the bottom of the noise reduction bench-type plate are fixedly connected with connecting base plate, and the end face of the connecting base plate, which is fixedly connected with, to disappear Sound gasket, the bottom of the noise reduction bench-type plate offer the silencing cavity connected with noise reduction mouth, and the end face of the noise reduction bench-type plate is opened Equipped with the first bloop, the center of the noise reduction gasket offers venthole, and the end face of the noise reduction gasket offers Two bloops.

Preferably, the noise reduction bench-type plate is mounted on the inside of housing main body, and arranges uniform.

Preferably, the inlet chamber is sequentially communicated noise reduction mouth, silencing cavity, venthole, noise reduction cavity and gas outlet.

Preferably, the gas outlet, venthole, noise reduction mouth are identical with inlet chamber diameter.

Preferably, the housing main body is cylindrical structure.

Compared with prior art, the beneficial effects of the utility model are：The new-energy automobile muffler structure is reasonable, accounts for Noise reduction is greatly improved to its inside noise reduction with small, good muffling effect, while using inner straight formula multistage acoustical panel Performance reduces the exhaust noise of automobile exhaust pipe.

Description of the drawings

Fig. 1 is the utility model side sectional view；

Fig. 2 is the utility model noise reduction cone-plate structure diagram；

Fig. 3 is the utility model noise reduction cone-plate explosive view；

Fig. 4 is the utility model noise reduction gasket construction schematic diagram.

In figure：1 housing main body, 2 noise reduction sponges, 3 sound panels, 4 first bloops, 5 gas outlets, 6 noise reduction gaskets, 7 noise reductions Bench-type plate, 8 noise reduction cavitys, 9 inlet chambers, 10 noise reduction mouths, 11 connecting base plates, 12 ventholes, 13 silencing cavities, 14 second bloops.

Specific embodiment

The following is a combination of the drawings in the embodiments of the present utility model, and the technical scheme in the embodiment of the utility model is carried out It clearly and completely describes, it is clear that the described embodiments are only a part of the embodiments of the utility model rather than whole Embodiment.Based on the embodiment in the utility model, those of ordinary skill in the art are without making creative work All other embodiments obtained shall fall within the protection scope of the present invention.

In the description of the utility model, it is necessary to explanation, the side of the instructions such as term " vertical ", " on ", " under ", " level " Either position relationship is based on orientation shown in the drawings or position relationship for position, is for only for ease of this practicality of description and simplification is retouched State rather than indicate either to imply that signified device or element must have specific orientation, with specific azimuth configuration and Operation, therefore it is not intended that limitation to the utility model.In addition, " first ", " second ", " the 3rd ", " the 4th " are only used for Purpose is described, and it is not intended that instruction or hint relative importance.

In the description of the utility model, it is also necessary to which explanation " is set unless otherwise specific regulation and limitation, term Put ", " installation ", " connected ", " connection " should be interpreted broadly, for example, it may be fixedly connected or be detachably connected, Or be integrally connected, it can be mechanical connection or electrical connection, can be directly connected to or by intermediate matchmaker It is situated between and is connected, can is the connection inside two elements.It for the ordinary skill in the art, can be as the case may be Understand concrete meaning of the above-mentioned term in the utility model.

- 4 are please referred to Fig.1, the utility model provides a kind of technical solution：A kind of new-energy automobile muffler, including listening Housing main body 1, noise reduction bench-type plate 7 and inlet chamber 9, the housing main body 1 are cylindrical structure, compact-sized reasonable, are not take up Space, the inlet chamber 9 are sequentially communicated noise reduction mouth 10, silencing cavity 13, venthole 12, noise reduction cavity 8 and gas outlet 5, the company of playing Logical effect, the noise reduction bench-type plate 7 is mounted on the inside of housing main body 1, and arranges uniformly, plays the role of gradually noise reduction, institute The outer wall middle part for stating housing main body 1 is fixedly connected with sound panel 3, and the inlet chamber 9 is arranged on the top of housing main body 1, The distal center position of the housing main body 1 offers gas outlet 5, the gas outlet 5, venthole 12, noise reduction mouth 10 and air inlet 9 diameter of chamber is identical, and the noise reduction bench-type plate 7 is provided with 5 groups, and is fixedly connected on the inside of housing main body 1, the noise reduction bench-type The noise reduction cavity 8 being arranged on inside housing main body 1 is offered between plate 7, the outside of the noise reduction cavity 8 is provided with noise reduction sponge 2, the top of the noise reduction bench-type plate 7 offers noise reduction mouth 10, and the bottom of the noise reduction bench-type plate 7 is fixedly connected with connecting base plate 11, the end face of the connecting base plate 11 is fixedly connected with noise reduction gasket 6, and the bottom of the noise reduction bench-type plate 7 offers and noise reduction The silencing cavities 13 of 10 connection of mouth, the end face of the noise reduction bench-type plate 7 offers the first bloop 4, the center of the noise reduction gasket 6 Position offers venthole 12, and the end face of the noise reduction gasket 6 offers the second bloop 14.

Operation principle：5 groups of noise reduction bench-type plates 7 inside the mobile muffler are installed, are used in cooperation noise reduction sponge 2 same When effective absorption can be carried out to the noise of inlet chamber 9 and noise reduction cavity 8 and weakened, work as sound effectively by stagewise noise reduction When source is entered out of inlet chamber 9 in noise reduction bench-type plate 7, silencing cavity 13 is entered by the noise reduction mouth 10 on noise reduction bench-type plate 7 first, And pass through the first bloop 4 that surface opens up and carry out effective Noise Reduction, a noise part is by the first bloop 4 by noise reduction Sponge 2 is absorbed, and another part continues to march forward and passes through noise reduction cavity 8, again by outside when by noise reduction cavity 8 Noise reduction sponge 2 is absorbed, and is absorbed step by step successively, and when gas outlet 5 are reached, the noise inside housing main body 1 is dropped It is low to arrive bottom line, effectively raise noise-reduction effect.

While there has been shown and described that the embodiment of the utility model, for the ordinary skill in the art, It is appreciated that in the case where not departing from the principle of the utility model and spirit can these embodiments be carried out with a variety of variations, repaiied Change, replace and modification, the scope of the utility model are defined by the appended claims and the equivalents thereof.

Claims (5)

1. a kind of new-energy automobile muffler, special including listening housing main body (1), noise reduction bench-type plate (7) and inlet chamber (9) Sign is：The outer wall middle part of the housing main body (1) is fixedly connected with sound panel (3), and the inlet chamber (9) is arranged on outer The top of shell main body (1), the distal center position of the housing main body (1) offer gas outlet (5), the noise reduction bench-type plate (7) 5 groups are provided with, and is fixedly connected on the inside of housing main body (1), offers and is arranged between the noise reduction bench-type plate (7) Housing main body (1) internal noise reduction cavity (8) is provided with noise reduction sponge (2), the noise reduction on the outside of the noise reduction cavity (8) The top of bench-type plate (7) offers noise reduction mouth (10), and the bottom of the noise reduction bench-type plate (7) is fixedly connected with connecting base plate (11), the end face of the connecting base plate (11) is fixedly connected with noise reduction gasket (6), and the bottom of the noise reduction bench-type plate (7) opens up There is the silencing cavity (13) connected with noise reduction mouth (10), the end face of the noise reduction bench-type plate (7) offers the first bloop (4), institute The center for stating noise reduction gasket (6) offers venthole (12), and the end face of the noise reduction gasket (6) offers the second bloop (14)。

2. a kind of new-energy automobile muffler according to claim 1, it is characterised in that：The noise reduction bench-type plate (7) Mounted on the inside of housing main body (1), and arrange uniform.

3. a kind of new-energy automobile muffler according to claim 1, it is characterised in that：The inlet chamber (9) is successively Connect noise reduction mouth (10), silencing cavity (13), venthole (12), noise reduction cavity (8) and gas outlet (5).

4. a kind of new-energy automobile muffler according to claim 1, it is characterised in that：The gas outlet (5), outlet Hole (12), noise reduction mouth (10) are identical with inlet chamber (9) diameter.

5. a kind of new-energy automobile muffler according to claim 1, it is characterised in that：The housing main body (1) is Cylindrical structure.