CN210264858U

CN210264858U - Engine silencer convenient to clean internal accumulated dust

Info

Publication number: CN210264858U
Application number: CN201921441720.6U
Authority: CN
Inventors: 伏军; 徐明辉
Original assignee: Shaoyang University
Current assignee: Shaoyang University
Priority date: 2019-09-02
Filing date: 2019-09-02
Publication date: 2020-04-07
Anticipated expiration: 2029-09-02

Abstract

The utility model discloses an engine muffler convenient to clearance inside deposition, including admission line, a noise elimination section of thick bamboo and fixed plate, both ends all are connected with admission line and the pipeline of giving vent to anger through set screw about a noise elimination section of thick bamboo, and the inside surface of admission line and the pipeline of giving vent to anger has seted up first through-hole and fourth through-hole respectively, the inner wall of a noise elimination section of thick bamboo is provided with the amortization pad, the inboard fixed surface of connecting plate installs the baffle, the top left side of connecting plate is provided with first amortization chamber, the top right side of connecting plate is provided with third amortization chamber, and the below right side of connecting plate is provided with fourth amortization chamber. This engine muffler convenient to clearance inside deposition is provided with second through-hole and 4 amortization chambeies, can have increased the flow path of noise and gas through 4 amortization chambeies, makes the noise flow dissipation in the inside amortization chamber of amortization section of thick bamboo to the amortization of cooperation inside stereoplasm sponge material fills up the use, improves the device's noise cancelling effect.

Description

Engine silencer convenient to clean internal accumulated dust

Technical Field

The utility model relates to an engine silencer technical field specifically is an engine silencer convenient to clearance inside deposition.

Background

One of the important devices that the engine silencer makes car engine upper noise reduction, along with the extensive use of car, car noise receives extensive attention, therefore the engine silencer tendency comes, to the engine silencer on the existing market, still has very big some problems, just as for example:

the existing engine silencer is simple in structure and poor in silencing effect, and due to the fact that air passes through the inner silencing barrel and is prone to being contaminated by dust, the silencing effect is affected, and therefore the engine silencer convenient for cleaning the inner dust deposit is provided, and the existing problems are solved.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide an engine silencer convenient to clearance inside deposition to solve above-mentioned background and propose engine silencer simple structure, and noise cancelling effect is poor, and cross gaseous circulation on the inside hush cylinder, be infected with the dust easily, influence noise cancelling effect's problem.

In order to achieve the above object, the utility model provides a following technical scheme: an engine silencer convenient for cleaning internal dust comprises an air inlet pipeline, a silencing barrel and a fixing plate, the left end and the right end of the silencing cylinder are both connected with an air inlet pipeline and an air outlet pipeline through fixing screws, the inner surfaces of the air inlet pipeline and the air outlet pipeline are respectively provided with a first through hole and a fourth through hole, the inner wall of the silencing barrel is provided with a silencing pad, the right side of the air inlet pipeline and the left side of the air outlet pipeline are both connected with the connecting plate through the fixing plate, the surface of the connecting plate is provided with a second through hole, the surface of the inner side of the connecting plate is fixedly provided with a clapboard, a third through hole is arranged below the clapboard, a first silencing cavity is arranged on the left side above the connecting plate, and a second silencing cavity is arranged on the left side of the lower part of the connecting plate, a third silencing cavity is arranged on the right side of the upper part of the connecting plate, and a fourth silencing cavity is arranged on the right side of the lower part of the connecting plate.

Preferably, inlet duct and outlet duct all are connected for the block with the amortization section of thick bamboo, and the amortization section of thick bamboo is adhesive connection with the amortization pad for the connected mode to the amortization pad adopts stereoplasm sponge material.

Preferably, the right end of the connecting plate on the right side of the air inlet pipeline is of a convex structure, the connecting plate on the right side of the air inlet pipeline is clamped with the connecting plate on the left side of the air outlet pipeline, and the second through hole formed in the surface of the connecting plate is of an inclined structure.

Preferably, the partition board is of a fan-shaped structure, the rubber brush pad is fixedly bonded to the outer surface of the partition board, and the outer end face of the rubber brush pad is attached to the inner end face of the silencing pad.

Preferably, the first silencing cavity is communicated with the second silencing cavity through the second through hole, the second silencing cavity is communicated with the third silencing cavity through the third through hole, and the third silencing cavity is communicated with the fourth silencing cavity through the second through hole.

Compared with the prior art, the beneficial effects of the utility model are that: the engine silencer is convenient for cleaning the internal dust;

(1) the surface of the connecting plate is provided with the partition plate and the rubber brush pad, so that the air inlet pipeline and the air outlet pipeline can be detached by rotating the fixing screw when the automobile is repaired and maintained, the rubber brush pad on the surface of the partition plate is conveniently driven to scrape off the contaminated dust in the silencing cylinder, and the use effect of the device is improved;

(2) the second through hole and the 4 silencing cavities are arranged, so that the flow path of noise and gas can be increased through the 4 silencing cavities, the noise can flow and be dissipated in the silencing cavity in the silencing barrel, and the silencing effect of the device is improved by matching with the silencing pad made of hard sponge materials in the silencing barrel;

(3) the setting that inlet duct right side connecting plate and outlet duct left side connecting plate block are connected improves the stability of connecting plate at a noise damping section of thick bamboo internal connection to the width of connecting plate equals with the internal diameter of a noise damping section of thick bamboo, can effectually divide this noise damping section of thick bamboo and separate out the noise damping chamber, improves the device's result of use.

Drawings

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

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

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

In the figure: 1. the air inlet pipe 2, the silencing barrel 3, the air outlet pipe 4, the fixing screw 5, the silencing pad 6, the first through hole 7, the connecting plate 8, the fixing plate 9, the second through hole 10, the partition plate 11, the third through hole 12, the rubber brush pad 13, the fourth through hole 14, the first silencing cavity 15, the second silencing cavity 16, the third silencing cavity 17 and the fourth silencing cavity.

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.

Unless the direction is defined separately, the directions of up, down, left, right, front, back, etc. referred to herein are the directions of up, down, left, right, front, back, etc. in the drawings of the present invention, and are herein incorporated by reference.

Referring to fig. 1-3, the present invention provides a technical solution: an engine silencer convenient for cleaning internal dust deposition comprises an air inlet pipeline 1, a silencing barrel 2, an air outlet pipeline 3, a fixing screw 4, a silencing pad 5, a first through hole 6, a connecting plate 7, a fixing plate 8, a second through hole 9, a partition plate 10, a third through hole 11, a rubber brush pad 12, a fourth through hole 13, a first silencing cavity 14, a second silencing cavity 15, a third silencing cavity 16 and a fourth silencing cavity 17, wherein the left end and the right end of the silencing barrel 2 are respectively connected with the air inlet pipeline 1 and the air outlet pipeline 3 through the fixing screw 4, the inner surfaces of the air inlet pipeline 1 and the air outlet pipeline 3 are respectively provided with the first through hole 6 and the fourth through hole 13, the inner wall of the silencing barrel 2 is provided with the silencing pad 5, the right side of the air inlet pipeline 1 and the left side of the air outlet pipeline 3 are respectively connected with the connecting plate 7 through the fixing plate 8, the surface of the connecting plate 7 is provided with the second through hole 9, the inner side surface of the connecting plate 7 is fixedly provided, and a third through hole 11 is arranged below the partition plate 10, a first silencing cavity 14 is arranged on the left side above the connecting plate 7, a second silencing cavity 15 is arranged on the left side below the connecting plate 7, a third silencing cavity 16 is arranged on the right side above the connecting plate 7, and a fourth silencing cavity 17 is arranged on the right side below the connecting plate 7.

Specifically, inlet duct 1 and outlet duct 3 all are connected for the block with silencing pot 2, and silencing pot 2 is the bonding connection with silencing pad 5 for the connected mode, and silencing pad 5 adopts stereoplasm sponge material.

Specifically, the right end of the connecting plate 7 on the right side of the air inlet pipeline 1 is of a convex structure, the connecting plate 7 on the right side of the air inlet pipeline 1 is clamped with the connecting plate 7 on the left side of the air outlet pipeline 3, and the second through hole 9 formed in the surface of the connecting plate 7 is of an inclined structure.

Specifically, the partition board 10 is of a fan-shaped structure, a rubber brush pad 12 is fixedly bonded to the outer surface of the partition board 10, and the outer end surface of the rubber brush pad 12 is attached to the inner end surface of the silencing pad 5.

Specifically, the first muffling cavity 14 is communicated with the second muffling cavity 15 through the second through hole 9, the second muffling cavity 15 is communicated with the third muffling cavity 16 through the third through hole 11, and the third muffling cavity 16 is communicated with the fourth muffling cavity 17 through the second through hole 9.

Specifically, as shown in fig. 1 and 3, when the device is used, the device is connected with the output end of the engine of the automobile, when the engine works, noise enters the air inlet pipe 1 of the device along with air, and then the noise air is discharged to the first silencing cavity 14 through the first through hole 6 on the surface of the air inlet pipe 1, then the noise air is transmitted to the second silencing cavity 15 through the second through hole 9 on the surface of the connecting plate 7 at the right end of the air inlet pipe 1, the noise air in the second silencing cavity 15 is transmitted to the third silencing cavity 16 at the right side through the third through hole 11 on the surface of the partition plate 10, and then the noise is transmitted to the fourth silencing cavity 17 through the second through hole 9 on the surface of the connecting plate 7 above the third silencing cavity 16, and then the noise air enters and is discharged through the fourth through hole 13 at the left side of the air outlet pipe 3, and the second through hole 9 is arranged in an inclined shape, the transmission path of the noise gas is conveniently improved, and the noise reduction effect of the device is further improved;

as shown in fig. 1 and 2, when the automobile is maintained, the air inlet pipe 1 and the air outlet pipe 3 can be conveniently drawn out by rotating the fixing screws 4 on the surface of the silencing cylinder 2, and when the connecting plate 7 is drawn out, dirty scales on the surface of the silencing pad 5 made of hard sponge material in the silencing cylinder 2 can be scraped out by the rubber brush pad 12 on the outer surface of the partition plate 10 at the tail end of the connecting plate 7, so that the dust on the inner wall of the silencing cylinder 2 can be conveniently cleaned, which is the use principle of the engine silencer convenient for cleaning the dust in the silencing cylinder, and the content which is not described in detail in the specification belongs to the prior art known by a person skilled in the art.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications and variations can be made in the embodiments or in part of the technical features of the embodiments without departing from the spirit and the scope of the invention.

Claims

1. The utility model provides an engine silencer convenient to inside deposition of clearance, includes admission line (1), amortization section of thick bamboo (2) and fixed plate (8), its characterized in that: the air inlet pipeline (1) and the air outlet pipeline (3) are connected to the left end and the right end of the silencing barrel (2) through fixing screws (4), first through holes (6) and fourth through holes (13) are formed in the inner surfaces of the air inlet pipeline (1) and the air outlet pipeline (3) respectively, a silencing pad (5) is arranged on the inner wall of the silencing barrel (2), the right side of the air inlet pipeline (1) and the left side of the air outlet pipeline (3) are connected with a connecting plate (7) through fixing plates (8), second through holes (9) are formed in the surface of the connecting plate (7), a partition plate (10) is fixedly mounted on the inner side surface of the connecting plate (7), third through holes (11) are formed below the partition plate (10), a first silencing cavity (14) is formed in the left side above the connecting plate (7), and a second silencing cavity (15) is formed in the left side below the connecting plate (7), a third silencing cavity (16) is arranged on the right side above the connecting plate (7), and a fourth silencing cavity (17) is arranged on the right side below the connecting plate (7).

2. The muffler of claim 1, wherein the engine muffler is adapted to facilitate cleaning of internal ash deposits: air inlet pipe (1) and air outlet pipe (3) all are connected for the block with amortization section of thick bamboo (2), and amortization section of thick bamboo (2) and amortization pad (5) are connected for bonding connection for the connected mode to amortization pad (5) adopt stereoplasm sponge material.

3. The muffler of claim 1, wherein the engine muffler is adapted to facilitate cleaning of internal ash deposits: the right end of the connecting plate (7) on the right side of the air inlet pipeline (1) is of a convex structure, the connecting plate (7) on the right side of the air inlet pipeline (1) and the connecting plate (7) on the left side of the air outlet pipeline (3) are mutually clamped, and a second through hole (9) formed in the surface of the connecting plate (7) is of an inclined structure.

4. The muffler of claim 1, wherein the engine muffler is adapted to facilitate cleaning of internal ash deposits: the partition plate (10) is of a fan-shaped structure, a rubber brush pad (12) is fixedly bonded on the outer surface of the partition plate (10), and the outer end face of the rubber brush pad (12) is attached to the inner end face of the silencing pad (5).

5. The muffler of claim 1, wherein the engine muffler is adapted to facilitate cleaning of internal ash deposits: the first silencing cavity (14) is communicated with the second silencing cavity (15) through the second through hole (9), the second silencing cavity (15) is communicated with the third silencing cavity (16) through the third through hole (11), and the third silencing cavity (16) is communicated with the fourth silencing cavity (17) through the second through hole (9).