CN217632622U

CN217632622U - Silencer for automobile

Info

Publication number: CN217632622U
Application number: CN202222061659.0U
Authority: CN
Inventors: 徐丽霞; 倪恺阳; 倪海军
Original assignee: Yancheng Berrett Machinery Manufacturing Co ltd
Current assignee: Yancheng Berrett Machinery Manufacturing Co ltd
Priority date: 2022-08-05
Filing date: 2022-08-05
Publication date: 2022-10-21
Anticipated expiration: 2032-08-05

Abstract

The utility model relates to a muffler technical field, and an automobile muffler is disclosed, lateral wall fixedly connected with intake pipe including the silencer body, the outer wall cover of intake pipe is equipped with the fixed plate, first logical groove has been seted up to the lateral wall of fixed plate, the inside sliding connection of fixed plate has the filter disc, the second has been seted up to the lateral wall of filter disc and has been link up the groove, the inner wall fixedly connected with filter screen that the groove was link up to the second, first recess has been seted up to the lateral wall of filter screen, the second recess has been seted up to the lateral wall of fixed plate, the third has been seted up to the inner wall of second recess and has been link up the groove, the inner wall fixedly connected with spring of second recess, the one end fixedly connected with of spring presses the clamp plate, press the lateral wall fixedly connected with rotation post of clamp plate, the inner wall fixedly connected with anti-backflow baffle of intake pipe. The utility model discloses in, through the setting of filter screen, inside having prevented that dust and impurity from getting into the silencer, lead to the silencer noise reduction effect to descend to the filter screen is convenient to be dismantled and is got off to wash or change.

Description

Silencer for automobile

Technical Field

The utility model relates to a muffler technical field especially relates to a muffler for car.

Background

The automobile silencer is a commonly used component of an automobile, is beneficial to reducing noise pollution in the driving process of the automobile, is various, is researched by the silencing mechanism, and can be divided into six main types, namely a resistive silencer, a reactive silencer, an impedance composite silencer, a micro-perforated plate silencer, a small hole silencer and an active silencer.

The Chinese patent discloses: the utility model provides a noise reduction muffler for car, patent application no: 202121909838.4, this patent "includes the body, both ends of body are fixed with air inlet end cap and exhaust end cap, the lateral surface of the air inlet end cap is fixed with the cooling tube, wear to have the air intake pipe in the cooling tube, leave the cooling water course between cooling tube and the air intake pipe, fixed with the blast pipe between air inlet end cap and the exhaust end cap, the blast pipe runs through air inlet end cap and exhaust end cap; the inner side wall of the radiating pipe is provided with a groove, a heat conducting sheet is fixed at the notch of the groove, and a semiconductor refrigerating sheet is fixed in the groove; the inboard of casing is provided with baffle group, and baffle group divide into a plurality of first cavitys and second cavity with the inboard of casing, first cavity and second cavity intercommunication, and the intake pipe runs through a plurality of first cavitys, has seted up a plurality of exhaust holes in the intake pipe, and exhaust hole and first cavity intercommunication, and the blast pipe runs through first cavity and second cavity, and a plurality of exhaust holes have been seted up to the part that the blast pipe is located the second cavity. The utility model discloses can reach the effect of good cooling and amortization.

The existing silencer is provided with a filter screen, but after the silencer is used for a long time, a large amount of impurities are attached to the outer surface of the filter screen, so that the noise reduction effect of the silencer is reduced, the filter screen is inconvenient to detach, clean or replace, time and labor are wasted, and the practicability is reduced.

To this end, we propose a muffler for an automobile.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

The utility model mainly solves the technical problem existing in the prior art, provides a silencer for automobile, and filter screen under the dismantlement that can be swift washs and changes the filter screen conveniently, has saved time and labour, has improved the practicality.

(II) technical scheme

In order to achieve the above object, the utility model discloses a following technical scheme, a muffler for car, lateral wall fixedly connected with intake pipe including the muffler body, the outer wall cover of intake pipe is equipped with the fixed plate, first through-groove has been seted up to the lateral wall of fixed plate, the inside sliding connection of fixed plate has the filter element, the second through-groove has been seted up to the lateral wall of filter element, the inner wall fixedly connected with filter screen of second through-groove, first recess has been seted up to the lateral wall of filter screen, the second recess has been seted up to the lateral wall of fixed plate, the third through-groove has been seted up to the inner wall of second recess, the inner wall fixedly connected with spring of second recess, the one end fixedly connected with of spring presses the clamp plate, press clamp plate's lateral wall fixedly connected with rotation post, the inner wall fixedly connected with anti-return baffle of intake pipe, the first baffle of inside fixedly connected with and second baffle and the third baffle of muffler body, the lateral wall fixedly connected with rebound pipe of third baffle, the lateral wall fixedly connected with conveyer pipe of first baffle, the one end of conveyer pipe runs through the second baffle, the lateral wall fixedly connected with blast pipe of first baffle and the third baffle and the blast pipe and the outside muffler body, the inside fixedly connected with semicircle plate of muffler.

Preferably, a handle is arranged at the top of the filter disc and fixedly connected to the filter disc.

Preferably, one end of the pressing plate is formed in a hook shape and abuts against the inside of the first groove through a third through groove.

Preferably, the pressing plates are arranged on the side walls of the two sides of the fixing plate, and the pressing plates are rotatably connected to the inner wall of the second groove through rotating columns arranged on the side walls.

Preferably, the outer wall of the air inlet pipe is provided with a plurality of equidistant and uniform silencing holes.

Preferably, a groove is formed in the fixing plate, the diameter of the outer wall of the filter disc is smaller than that of the inner wall of the groove of the fixing plate, and the outer wall of the filter disc is connected to the inner wall of the groove of the fixing plate in a sliding mode.

Advantageous effects

The utility model provides a muffler for car. The method has the following beneficial effects:

(1) This muffler for car through the setting of filter screen, has prevented inside dust and impurity entering muffler, leads to muffler noise reduction effect to descend to the filter screen is convenient to be dismantled and is got off washing or change.

(2) This muffler for car further improves the effect that the muffler was fallen and makes an uproar through the setting of anti-return baffle and semicircle board, and the rethread is according to setting up of pressing the clamp plate and conveniently washs filter screen dismantlement down, has prevented that the muffler inner wall from adhering to impurity, reduces life.

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 should be apparent that the drawings in the following description are merely exemplary, and that other embodiments can be derived from the drawings provided by those of ordinary skill in the art without inventive effort.

The structure, proportion, size and the like shown in the present specification are only used for matching with the content disclosed in the specification, so as to be known and read by people familiar with the technology, and are not used for limiting the limit conditions which can be implemented by the present invention, so that the present invention has no technical essential significance, and the modification of any structure, the change of proportion relation or the adjustment of size all fall within the scope which can be covered by the technical content disclosed by the present invention without affecting the efficacy and the purpose which can be achieved by the present invention.

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

FIG. 2 is a schematic view of the internal structure of the muffler of the present invention;

fig. 3 is a schematic view of the engaging structure of the present invention.

Illustration of the drawings: 1. a muffler body; 2. an air inlet pipe; 3. a fixing plate; 4. a first through groove; 5. a filter disc; 6. a second through groove; 7. filtering with a screen; 8. a handle; 9. a first groove; 10. a second groove; 11. a third through groove; 12. a spring; 13. a pressing plate; 14. rotating the column; 15. an anti-backflow baffle; 16. a first separator; 17. a second separator; 18. a third partition plate; 19. a rebound tube; 20. a delivery pipe; 21. an exhaust pipe; 22. a semicircular plate.

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.

Example (b): a muffler for an automobile is disclosed, as shown in figures 1-3, and comprises an air inlet pipe 2 fixedly connected to the side wall of a muffler body 1, a plurality of sound-deadening holes with equal distance are formed in the outer wall of the air inlet pipe 2, a fixing plate 3 is sleeved on the outer wall of the air inlet pipe 2, a first through groove 4 is formed in the side wall of the fixing plate 3, a filter sheet 5 is slidably connected to the inside of the fixing plate 3, a groove is formed in the fixing plate 3, the diameter of the outer wall of the filter sheet 5 is smaller than that of the inner wall of the groove of the fixing plate 3, the outer wall of the filter sheet 5 is slidably connected to the inner wall of the groove of the fixing plate 3, a second through groove 6 is formed in the side wall of the filter sheet 5, a filter screen 7 is fixedly connected to the inner wall of the second through groove 6, the filter screen 7 is arranged to filter out impurities in an air flow so as not to fall into the inside of the muffler body 1 and reduce the noise, a handle 8 is arranged at the top of the filter sheet 5, the handle 8 is fixedly connected to the filter sheet 5, the side wall of the filter screen 7 is provided with a first groove 9, the side wall of the fixed plate 3 is provided with a second groove 10, the inner wall of the second groove 10 is provided with a third through groove 11, the inner wall of the second groove 10 is fixedly connected with a spring 12, one end of the spring 12 is fixedly connected with a pressing plate 13, one end of the pressing plate 13 is arranged in a hook shape to play a role of fixing the filter 5 and prevent the filter 5 from falling out due to shaking, the filter 5 leans against the inside of the first groove 9 through the opposite bottom of the third through groove 11, the side wall of the pressing plate 13 is fixedly connected with a rotating column 14, the pressing plate 13 is arranged on the side walls at two sides of the fixed plate 3, the pressing plate 13 is rotatably connected with the inner wall of the second groove 10 through the rotating column 14 arranged on the side wall, the inner wall of the air inlet pipe 2 is fixedly connected with an anti-backflow baffle 15, the anti-backflow baffle 15 can effectively avoid the occurrence of gas backflow phenomenon, so that the automobile engine can normally work, the inside fixedly connected with first baffle 16 and second baffle 17 and the third baffle 18 of silencer body 1, the lateral wall fixedly connected with bounce-back pipe 19 of third baffle 18, the lateral wall fixedly connected with conveyer pipe 20 of first baffle 16, the one end of conveyer pipe 20 runs through second baffle 17, the lateral wall fixedly connected with blast pipe 21 of first baffle 16, blast pipe 21 runs through the lateral wall of second baffle 17 and third baffle 18 and silencer body 1 and extends to the outside, the inside fixedly connected with semicircle board 22 of blast pipe 21, play and reduce the speed of sound wave and air current, play and fall the effect of making an uproar.

The utility model discloses a theory of operation: when the automobile is started to exhaust, air flow and dust impurities can enter the interior of the silencer body 1, at the moment, impurities in the air flow can be filtered through the filter screen 7 so as to avoid falling into the interior of the silencer body 1 to reduce the noise elimination effect, when the filter screen is used for a long time, the surface of the filter screen is covered with a large amount of impurities to cause poor filtering effect, at the moment, the pressing plate 13 is pressed, the other end of the pressing plate 13 is enabled to leave the interior of the first groove 9, then the handle 8 is pulled away to drive the filter 5 to leave the interior of the fixing plate 3, the filter can be replaced or cleaned, the cleaning is convenient, the filtering effect is improved, the damage condition of the silencer is reduced, then a plurality of anti-backflow baffles 15 are arranged, the anti-backflow baffles 15 incline towards the interior of the silencer body 1, the anti-backflow baffles 15 can effectively avoid the occurrence of gas backflow phenomenon, the automobile engine can work normally, when air flow and sound waves are conveyed between the first partition plate 16 and the second partition plate 17, partial sound waves are dispersed through the sound absorption holes and collide with each other in the interior of the first partition plate 16 and the second partition plate 17, the sound waves are further conveyed to the semi-muffler body from the first partition plate 19, the exhaust pipe 19, the sound-noise-reducing pipe 22, and the sound-reducing effect of the sound-noise-reducing pipe is further reduced after the sound-reducing effect of the sound-noise-reducing pipe is conveyed to the sound-reducing pipe.

The basic principles and the main features of the invention and the advantages of the invention have been shown and described above. It will be understood by those skilled in the art that the present invention is not limited to the above embodiments, and that the foregoing embodiments and descriptions are provided only to illustrate the principles of the present invention without departing from the spirit and scope of the present invention. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims

1. The utility model provides a muffler for car, includes lateral wall fixedly connected with intake pipe (2) of silencer body (1), its characterized in that: the silencer is characterized in that a fixing plate (3) is sleeved on the outer wall of the air inlet pipe (2), a first through groove (4) is formed in the side wall of the fixing plate (3), a filter disc (5) is connected to the inside of the fixing plate (3) in a sliding mode, a second through groove (6) is formed in the side wall of the filter disc (5), a filter screen (7) is fixedly connected to the inner wall of the second through groove (6), a first groove (9) is formed in the side wall of the filter screen (7), a second groove (10) is formed in the side wall of the fixing plate (3), a third through groove (11) is formed in the inner wall of the second groove (10), a spring (12) is fixedly connected to the inner wall of the second groove (10), a pressing plate (13) is fixedly connected to one end of the spring (12), a rotating column (14) is fixedly connected to the side wall of the pressing plate (13), an anti-return baffle (15) is fixedly connected to the inner wall of the air inlet pipe (2), a first baffle (16) and a second baffle (17) and a third baffle (18) are fixedly connected to the side wall of the silencer body (1), a rebound pipe (19) is connected to the side wall of the conveying pipe (20), and a second baffle (17) is connected to the side wall of the conveying pipe (20), the side wall fixedly connected with blast pipe (21) of first baffle (16), blast pipe (21) run through the lateral wall of second baffle (17) and third baffle (18) and silencer body (1) and extend to the outside, the inside fixedly connected with semicircle board (22) of blast pipe (21).

2. The muffler for an automobile as claimed in claim 1, wherein: the top of filter element (5) is provided with handle (8), handle (8) fixed connection is in filter element (5).

3. The muffler for an automobile as claimed in claim 1, wherein: one end of the pressing plate (13) is arranged in a hook shape and leans against the inner part of the first groove (9) through the third through groove (11).

4. The muffler for an automobile as claimed in claim 1, wherein: the pressing plates (13) are arranged on the side walls of two sides of the fixing plate (3), and the pressing plates (13) are rotatably connected to the inner wall of the second groove (10) through rotating columns (14) arranged on the side walls.

5. The muffler for an automobile as set forth in claim 1, wherein: the outer wall of the air inlet pipe (2) is provided with a plurality of equidistant and uniform silencing holes.

6. The muffler for an automobile as claimed in claim 1, wherein: the inside of fixed plate (3) is provided with the recess, the outer wall diameter of filter element (5) is less than the recess inner wall diameter of fixed plate (3), the outer wall sliding connection of filter element (5) is in the recess inner wall of fixed plate (3).