CN208564699U - A kind of automobile purification silencer - Google Patents

Abstract

The utility model discloses a kind of automobile purification silencers, including shell, air inlet pipe is connected on the left of the shell, right side chain is connected to exhaust pipe, first partition is vertically installed in the shell, filter chamber is formed between shell on the left of the first partition, the air inlet pipe right end is closed and protrudes into filter chamber and connect with first partition, the first partition is fixed with second partition far from air inlet pipe side in parallel, the first partition, connecting cavity is formed between second partition and shell, the second partition is fixed with third partition far from air inlet pipe side in parallel, ternary catalyzing unit is installed between told second partition and third partition.The automobile purification silencer in shell by setting gradually filter chamber, ternary catalyzing unit, noise elimination cavity, setting coarse strainer, active carbon filter screen and HEPA efficient filter in filter chamber, setting damping sheet, spongy layer and froth bed in noise elimination cavity, make it have good noise elimination effect, effectively vehicle exhaust is purified simultaneously, mitigates environmental pollution.

Description

A kind of automobile purification silencer

Technical field

The utility model relates to automobile purification noise elimination technique field, specially a kind of automobile purification silencer.

Background technique

Allow air-flow to pass through when silencer, but can prevent or reduce a kind of device of sound transmission, is to eliminate air to move The important measures of power noise, with the raising of the increasingly developed and human living standard of social economy, automobile becomes gradually The most-often used vehicles of people are brought conveniently to the trip of people, but the following noise pollution and exhaust emissions It pollutes also increasingly severe.

Traditional silencer is undesirable to the weakening effect of noise, and cannot effectively purify to motor vehicle exhaust emission, Cause air pollution increasingly severe, we provide a kind of automobile purification silencers thus to solve the above problems.

Utility model content

It is mentioned above in the background art to solve the purpose of this utility model is to provide a kind of automobile purification silencer Problem.

To achieve the above object, the utility model provides the following technical solutions: a kind of automobile purification silencer, including shell Body, the shell left side are connected with air inlet pipe, and right side chain is connected to exhaust pipe, and first partition, institute are vertically installed in the shell It states and forms filter chamber between first partition left side and shell, filter chamber is closed and protruded into the air inlet pipe right end and first partition connects Connect, the first partition is fixed with second partition far from air inlet pipe side in parallel, the first partition, second partition and shell it Between form connecting cavity, the second partition is fixed with third partition, told second partition and third far from air inlet pipe side in parallel Ternary catalyzing unit is installed, the second partition center offers air inlet, and the third baffle central offers between partition Gas outlet forms noise elimination cavity between the third partition right side and shell, and noise elimination cavity and and third are protruded into the exhaust pipe left end The gas outlet of partition connects.

Preferably, first through hole is uniformly provided in the air inlet pipe, the shell is located on the side wall of air inlet pipe It is concentric on the outside of air inlet pipe that fixed ring is uniformly installed outward, be disposed with from inside to outside between adjacent fixed ring coarse strainer, Active carbon filter screen and HEPA efficient filter, the first partition, which is located on the outside of HEPA efficient filter, is uniformly provided with venthole.

Preferably, the venthole is arc-shaped through-hole, and venthole is at least arranged four.

Preferably, interlock up and down in the exhaust pipe in the noise elimination cavity and be symmetrically installed with damping sheet, in the noise elimination cavity Be uniformly provided with the second through-hole on exhaust pipe, be provided with froth bed in the inner walls in the noise elimination cavity, the froth bed with Spongy layer is filled between exhaust pipe.

Preferably, the damping sheet is arc panel, and one end shape is matched with exhaust pipe inner wall shape, the damping sheet Height is greater than the half of exhaust bore.

Preferably, the shell includes the first shell and second shell being threadedly coupled, and the filter chamber is located at first shell In vivo, the first partition is connect with first shell inner thread, and the ternary catalyzing unit and noise elimination cavity are located in second shell, The connecting cavity is between first shell and second shell.

Compared with prior art, the utility model has the beneficial effects that

1. the automobile purification silencer in shell by setting gradually filter chamber, ternary catalyzing unit, noise elimination cavity, filter chamber Interior setting coarse strainer, active carbon filter screen and HEPA efficient filter, the interior setting damping sheet of noise elimination cavity, spongy layer and froth bed, make it Vehicle exhaust is purified with good noise elimination effect, while effectively, mitigates environmental pollution.

2. the automobile purification silencer is threadedly coupled by shell by first shell and second shell, first partition and first Inner walls are threadedly coupled, and when the strainer in filter chamber needs replacing, can be separated first shell and second shell rotation, will First partition rotation is removed, it can be replaced by taking out strainer, convenient and practical.

Detailed description of the invention

FIG. 1 is a schematic structural view of the utility model；

Fig. 2 is the structural schematic diagram of venthole in the utility model.

In figure: 1 shell, 101 first shells, 102 second shells, 2 air inlet pipe, 3 exhaust pipes, 4 first partitions, 5 second every Plate, 6 third partitions, 7 filter chambers, 701 fixed rings, 702 first through hole, 703 coarse strainers, 704 active carbon filter screens, 705HEPA high Imitate strainer, 706 ventholes, 8 noise elimination cavities, 801 damping sheets, 802 second through-holes, 803 froth beds, 804 spongy layers, 9 connecting cavities, 10 Ternary catalyzing unit.

Specific embodiment

The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model Clearly and completely describe, 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 technical solution in the utility model, those of ordinary skill in the art are not making creative work premise Under every other embodiment obtained, fall within the protection scope of the utility model.

The utility model provides a kind of technical solution referring to FIG. 1-2: a kind of automobile purification silencer, including shell 1, Air inlet pipe 2 is connected on the left of shell 1, right side chain is connected to exhaust pipe 3, and first partition 4, first partition 4 are vertically installed in shell 1 Between left side and shell 1 formed filter chamber 7, vehicle exhaust is filtered, 2 right end of air inlet pipe close and protrude into filter chamber 7 with First partition 4 connects, and first partition 4 is fixed with second partition 5, first partition 4, second partition 5 far from 2 side of air inlet pipe in parallel Connecting cavity 9 is formed between shell 1, second partition 5 is fixed with third partition 6 far from 2 side of air inlet pipe in parallel, tells second partition Ternary catalyzing unit 10 is installed between 5 and third partition 6, the pernicious gases such as CO, HC and NOx for containing in vehicle exhaust are passed through Redox purification, wherein ternary catalyzing unit 10 is the prior art, and 5 center of second partition offers air inlet, in third partition 6 Centre offers gas outlet, forms noise elimination cavity 8 between 6 right side of third partition and shell 1, carries out to the noise contained in vehicle exhaust Noise elimination processing, 3 left end of exhaust pipe is protruded into noise elimination cavity 8 and is connect with the gas outlet of third partition 6.

Further, first through hole 702 is uniformly provided in air inlet pipe 2, vehicle exhaust was entered by first through hole 702 Filter chamber 7, shell 1 is concentric on the outside of air inlet pipe 2 on the side wall of air inlet pipe 2 to be uniformly equipped with fixed ring 701, phase outward Coarse strainer 703, active carbon filter screen 704 and HEPA efficient filter 705 are disposed between adjacent fixed ring 701 from inside to outside, Middle coarse strainer 703 is filtered the large particle contained in vehicle exhaust, and active carbon filter screen 704 may filter that pernicious gas and dispel It eliminating the unusual smell, HEPA efficient filter 705 can carry out the particle contained in vehicle exhaust thoroughly efficiently to filter, and first partition 4 Venthole 706 is uniformly provided on the outside of HEPA efficient filter 705, filtered tail gas enters connecting cavity by venthole 706 9。

Further, venthole 706 is arc-shaped through-hole, and venthole 706 is at least arranged four.

Further, it staggeredly is symmetrically installed with damping sheet 801 up and down in the exhaust pipe 3 in noise elimination cavity 8, noise can be carried out Stop, while the distance that noise can be made to be extended noise by reflection that is staggered up and down, so that noise elimination effect is more preferable, noise elimination cavity It is uniformly provided with the second through-hole 802 on exhaust pipe 3 in 8, is provided with froth bed 803 on 1 inner wall of shell in noise elimination cavity 8, steeps Spongy layer 804 is filled between foam layer 803 and exhaust pipe 3, partial noise enters spongy layer 804 and bubble by the second through-hole 802 Foam layer 803, by good absorption, to considerably increase noise elimination effect.

Further, damping sheet 801 is arc panel, and one end shape is matched with 3 inner wall shape of exhaust pipe, damping sheet 801 Height be greater than 3 internal diameter of exhaust pipe half.

Further, shell 1 includes the first shell 101 and second shell 102 being threadedly coupled, and filter chamber 7 is located at first In shell 101, first partition 4 is connect with 1 inner thread of first shell, and ternary catalyzing unit 10 and noise elimination cavity 8 are located at second shell In 102, connecting cavity 9, can when the strainer in filter chamber 7 needs replacing between first shell 101 and second shell 102 First shell 101 and the rotation of second shell 102 are separated, the rotation of first partition 4 is removed, it can be carried out more by taking out strainer It changes.

Working principle: when the automobile purification silencer works, vehicle exhaust enters air inlet pipe 2, passes through first through hole first 702 enter filter chamber 7, successively pass through coarse strainer 703, active carbon filter screen 704 and HEPA efficient filter 705, wherein coarse strainer 703 The large particle contained in vehicle exhaust is filtered, active carbon filter screen 704 may filter that pernicious gas and dispelling abnormal flavor, HEPA The particle contained in vehicle exhaust can be carried out thoroughly efficient filtering by efficient filter 705, and filtered tail gas is from venthole 706 Into connecting cavity 9, then enter ternary catalyzing unit 10 from the air inlet of second partition 5, CO, the HC contained in vehicle exhaust and The pernicious gases such as NOx are cleaned by redox, and purified tail gas enters in the exhaust pipe 3 of noise elimination cavity 8, and noise is upper and lower Staggeredly symmetrically arranged 801 reflection blocking of damping sheet, while a part of noise enters 804 He of spongy layer by the second through-hole 802 Froth bed 803, by good absorption, to considerably increase noise elimination effect, final purification eliminate the noise after tail gas from 3 row of exhaust pipe Out.Shell 1 is threadedly coupled by first shell 101 and second shell 102, and first partition 4 is connect with 1 inner thread of first shell, When the strainer in filter chamber 7 needs replacing, first shell 101 and the rotation of second shell 102 can be separated, by first partition 4 Rotation is removed, it can be replaced by taking out strainer.

While there has been shown and described that the embodiments of the present invention, for the ordinary skill in the art, It is understood that these embodiments can be carried out with a variety of variations in the case where not departing from the principles of the present invention and spirit, repaired Change, replacement and variant, the scope of the utility model is defined by the appended claims and the equivalents thereof.

Claims (6)

1. a kind of automobile purification silencer, including shell (1), shell (1) left side is connected with air inlet pipe (2), right side link There are exhaust pipe (3), it is characterised in that: be vertically installed with first partition (4) in the shell (1), on the left of the first partition (4) Filter chamber (7) are formed between shell (1), air inlet pipe (2) right end is closed and protrudes into filter chamber (7) and first partition (4) Connection, the first partition (4) are fixed with second partition (5) in parallel far from air inlet pipe (2) side, the first partition (4), the Connecting cavity (9) are formed between two partitions (5) and shell (1), the second partition (5) is fixed in parallel far from air inlet pipe (2) side Have third partition (6), be equipped with ternary catalyzing unit (10) between told second partition (5) and third partition (6), described second every Plate (5) center offers air inlet, and third partition (6) center offers gas outlet, third partition (6) right side and shell Noise elimination cavity (8) are formed between body (1), noise elimination cavity (8) and the gas outlet with third partition (6) are protruded into exhaust pipe (3) left end Connection.

2. a kind of automobile purification silencer according to claim 1, it is characterised in that: uniformly opened on the air inlet pipe (2) Equipped with first through hole (702), the shell (1) is located at concentric outside on the outside of air inlet pipe (2) on the side wall of air inlet pipe (2) It is uniformly equipped with fixed ring (701), is disposed with coarse strainer (703), active carbon from inside to outside between adjacent fixed ring (701) Strainer (704) and HEPA efficient filter (705), the first partition (4), which is located on the outside of HEPA efficient filter (705), uniformly to be opened up There are venthole (706).

3. a kind of automobile purification silencer according to claim 2, it is characterised in that: the venthole (706) is arc Through-hole, and venthole (706) is at least arranged four.

4. a kind of automobile purification silencer according to claim 1, it is characterised in that: the exhaust in the noise elimination cavity (8) It is staggeredly symmetrically installed with damping sheet (801) up and down in pipe (3), the is uniformly provided on the exhaust pipe (3) in the noise elimination cavity (8) Two through-holes (802) are provided with froth bed (803) on shell (1) inner wall in the noise elimination cavity (8), the froth bed (803) with Spongy layer (804) are filled between exhaust pipe (3).

5. a kind of automobile purification silencer according to claim 4, it is characterised in that: the damping sheet (801) is arc Plate, and one end shape is matched with exhaust pipe (3) inner wall shape, the height of the damping sheet (801) is greater than exhaust pipe (3) internal diameter Half.

6. a kind of automobile purification silencer according to claim 1, it is characterised in that: the shell (1) includes that screw thread connects The first shell (101) and second shell (102) connect, the filter chamber (7) are located in first shell (101), described first every Plate (4) is connect with first shell (1) inner thread, and the ternary catalyzing unit (10) and noise elimination cavity (8) are located at second shell (102) Interior, the connecting cavity (9) is located between first shell (101) and second shell (102).