CN211692606U

CN211692606U - High temperature resistant type silencer for car

Info

Publication number: CN211692606U
Application number: CN201922429246.1U
Authority: CN
Inventors: 陈春云
Original assignee: Sihong County Chunyun Machinery Manufacture Co ltd
Current assignee: Sihong County Chunyun Machinery Manufacture Co ltd
Priority date: 2019-12-30
Filing date: 2019-12-30
Publication date: 2020-10-16
Anticipated expiration: 2029-12-30

Abstract

The utility model relates to a silencer for high temperature resistant type car, including urceolus, gasbag, rubber column, porous amortization material layer, organic fiber material layer, inorganic fiber material layer, polystyrene material layer and inorganic foam material layer, the gasbag passes through the rubber column to be connected at the urceolus inner wall, and porous amortization material layer sets up at organic fiber material layer top face, and inorganic fiber material layer sets up terminal surface under the organic fiber material layer, and the polystyrene material layer sets up terminal surface under the inorganic fiber material layer, and the setting of inorganic foam material layer is terminal surface under the polystyrene material layer, the utility model discloses a quintuple amortization material inhales the sound and falls makes an uproar, has promoted noise cancelling effect, has prolonged the life of equipment.

Description

High temperature resistant type silencer for car

Technical Field

The utility model relates to an automobile silencer equipment field specifically is a silencer for high temperature resistant type car.

Background

The automobile silencer is mainly used for reducing the noise generated when an engine of a motor vehicle works, and the principle is that an automobile exhaust pipe is composed of two pipelines with different lengths, the two pipelines are separated and then intersected, and the length difference value of the two pipelines is equal to half of the wavelength of sound waves emitted by an automobile, so that two rows of sound waves are interfered to be mutually offset when being superposed to weaken the sound intensity, the transmitted sound is reduced, and the silencing effect is achieved.

In the structure of the prior art automobile silencer disclosed in document CN208845248U, the disadvantages are that the damping effect is not good, the airbag is easy to be damaged, the service life is short, and the silencing effect is not significant enough, and the expected effect cannot be achieved.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a silencer for high temperature resistant type car to solve the problem that proposes in the above-mentioned background art, the utility model discloses convenient to use, easy operation, systematic height, the practicality is strong.

In order to achieve the above object, the utility model provides a following technical scheme: a high-temperature-resistant automobile silencer comprises a device main body and an auxiliary silencing mechanism, wherein the device main body comprises an outer barrel, an air inlet pipe, an air inlet, a mounting seat, an air outlet pipe, a first breathable mesh hole, an air outlet, a first partition plate, an air bag, a second breathable mesh hole, a rubber column and a second partition plate, the outer barrel is arranged on the mounting seat, the first partition plate and the second partition plate are arranged inside the outer barrel, the air bag is positioned between the first partition plate and the second partition plate, the air bag is connected to the inner wall of the outer barrel through the rubber column, the air inlet pipe penetrates through the mounting seat and extends into the air bag, the air inlet pipe is arranged at the left end of the air inlet pipe, the second breathable mesh hole is arranged at the right end of the air inlet pipe, the air outlet pipe penetrates through the mounting seat and extends into the air bag, supplementary amortization mechanism sets up inside the gasbag, and is located between the ventilative mesh of first ventilative mesh and second, supplementary amortization mechanism includes porous amortization material layer, organic fiber material layer, inorganic fiber material layer, polystyrene material layer and inorganic foam material layer, porous amortization material layer sets up at organic fiber material layer top end face, inorganic fiber material layer sets up terminal surface under the organic fiber material layer, the polystyrene material layer sets up terminal surface under the inorganic fiber material layer, the setting of inorganic foam material layer terminal surface under the polystyrene material layer.

Preferably, the device body further comprises an ash-sticking net; the ash sticking net is arranged at the air outlet of the air outlet pipe.

Preferably, the rubber columns are provided with a plurality of rubber columns, and the plurality of rubber columns are located on the inner walls of the air bag and the outer barrel.

Preferably, the device further comprises a shock absorbing mechanism; the damping mechanism comprises a spring damper, a telescopic rod and a hollow sleeve; the hollow sleeve is arranged on the inner wall of the outer barrel, the telescopic rod is located inside the hollow sleeve, one end of the spring shock absorber is connected with the telescopic rod, and the other end of the spring shock absorber is tightly connected with the air bag.

More preferably, the damping mechanisms are provided in plurality and are uniformly positioned between the air bag and the inner wall of the outer barrel; and the damping mechanism also comprises a damping sheet which is positioned at the inner bottom end of the hollow sleeve.

Compared with the prior art, the beneficial effects of the utility model are that: the utility model has the advantages that the sound absorption and noise reduction are carried out through the quintuple noise reduction material through the porous noise reduction material layer, the organic fiber material layer, the inorganic fiber material layer, the polystyrene material layer and the inorganic foam material layer, the noise reduction effect is improved, and the service life of the equipment is prolonged; the utility model discloses a spring damper, shock attenuation piece, telescopic link and cavity cover, the dual shock attenuation through spring damper and shock attenuation piece has promoted the shock attenuation effect, has prolonged the life of gasbag.

Drawings

Fig. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic structural view of the damping mechanism of the present invention;

fig. 3 is a schematic structural view of the middle auxiliary silencing mechanism of the present invention.

In the reference symbols: 1. an outer cylinder; 2. an air inlet pipe; 3. an air inlet; 4. a mounting seat; 5. an air outlet pipe; 6. a damping mechanism; 7. a first air-permeable mesh; 8. an auxiliary silencing mechanism; 9. an air outlet; 10. a first separator; 11. an air bag; 12. a second air-permeable mesh; 13. a rubber column; 14. a second separator; 61. a spring damper; 62. a telescopic rod; 63. a damping sheet; 64. hollow sleeve; 81. a porous sound damping material layer; 82. a layer of organic fibrous material; 83. a layer of inorganic fiber material; 84. a layer of polystyrene material; 85. a layer of inorganic foam material.

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 efforts belong to the protection scope of the present invention.

Example one

Referring to fig. 1 and fig. 3, the present invention provides a technical solution: a high-temperature-resistant automobile silencer comprises a device main body and an auxiliary silencing mechanism 8, wherein the device main body comprises an outer barrel 1, an air inlet pipe 2, an air inlet 3, a mounting seat 4, an air outlet pipe 5, a first ventilating mesh 7, an air outlet 9, a first partition plate 10, an air bag 11, a second ventilating mesh 12, a rubber column 13 and a second partition plate 14, the outer barrel 1 is arranged on the mounting seat 4, the first partition plate 10 and the second partition plate 14 are arranged inside the outer barrel 1, the air bag 11 is positioned between the first partition plate 10 and the second partition plate 14, the air bag 11 is connected to the inner wall of the outer barrel 1 through the rubber column 13, the air inlet pipe 2 penetrates through the mounting seat 4 and extends to the inside of the air bag 11, the air inlet pipe 2 is provided with the air inlet 3 at the left end, the second ventilating mesh 12 is arranged at the right end of the air inlet pipe 2, the air outlet pipe, the right end of the air outlet pipe 5 is provided with an air outlet 9, the left end of the air outlet pipe 5 is provided with a first breathable mesh 7, the auxiliary silencing mechanism 8 is arranged inside the air bag 11 and is positioned between the first breathable mesh 7 and the second breathable mesh 12, the auxiliary silencing mechanism 8 comprises a porous silencing material layer 81, an organic fiber material layer 82, an inorganic fiber material layer 83, a polystyrene material layer 84 and an inorganic foam material layer 85, the porous silencing material layer 81 is arranged on the top end face of the organic fiber material layer 82, the inorganic fiber material layer 83 is arranged on the lower end face of the organic fiber material layer 82, the polystyrene material layer 84 is arranged on the lower end face of the inorganic fiber material layer 83, and the inorganic foam material layer 85 is arranged on the lower end face of the polystyrene material layer 84;

the utility model discloses at the during operation: gaseous 3 entering intake pipe 2 through air inlet, get into gasbag 11 through the ventilative mesh 12 of second, gasbag 11 atress inflation, gaseous porous amortization material layer 81 that passes through in proper order, organic fiber material layer 82, inorganic fiber material layer 83, polystyrene material layer 84 and inorganic foam material layer 85, ventilative mesh 12 of rethread second gets into outlet duct 5, and discharge from gas outlet 9, porous amortization material layer 81, organic fiber material layer 82, inorganic fiber material layer 83, polystyrene material layer 84 and inorganic foam material layer 85 absorb the noise in the gas, the noise cancelling effect has been promoted.

Example two

As a preferable scheme of the first embodiment, please refer to fig. 2, the apparatus further includes a damping mechanism 6; the damping mechanism 6 comprises a spring damper 61, an expansion rod 62 and a hollow sleeve 64; the hollow sleeve 64 is arranged on the inner wall of the outer cylinder 1, the telescopic rod 62 is positioned in the hollow sleeve 64, one end of the spring shock absorber 61 is connected with the telescopic rod 62, and the other end of the spring shock absorber 61 is tightly connected with the airbag 11;

the damping mechanisms 6 are provided with a plurality of damping mechanisms 6, and the plurality of damping mechanisms 6 are uniformly positioned between the air bag 11 and the inner wall of the outer barrel 1; the damping mechanism 6 further comprises a damping sheet which is positioned at the bottom end in the hollow sleeve 64;

the working process is as follows: after the gas enters the airbag 11, the airbag 11 expands, vibration is transmitted to the spring damper 61, the spring damper 61 absorbs and filters the vibration, the spring damper 61 transmits the aftershock to the telescopic rod 62, the telescopic rod 62 enters the hollow sleeve 64, and the damping sheet absorbs and filters the aftershock until the telescopic rod 62 is in contact with the damping sheet, so that the vibration of the airbag 11 is fully damped.

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 evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, but that the invention may be embodied in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. A high-temperature-resistant automobile silencer comprises a device main body and an auxiliary silencing mechanism (8), wherein the device main body comprises an outer barrel (1), an air inlet pipe (2), an air inlet (3), a mounting seat (4), an air outlet pipe (5), a first breathable mesh (7), an air outlet (9), a first partition plate (10), an air bag (11), a second breathable mesh (12), a rubber column (13) and a second partition plate (14), the outer barrel (1) is arranged on the mounting seat (4), the first partition plate (10) and the second partition plate (14) are arranged inside the outer barrel (1), the air bag (11) is located between the first partition plate (10) and the second partition plate (14), the air bag (11) is connected to the inner wall of the outer barrel (1) through the rubber column (13), the air inlet pipe (2) penetrates through the mounting seat (4) and extends to the inside of the air bag (11), intake pipe (2) left end is provided with air inlet (3), intake pipe (2) right-hand member is provided with the ventilative mesh of second (12), outlet duct (5) run through mount pad (4) to extend to gasbag (11) inside, outlet duct (5) right-hand member is provided with gas outlet (9), outlet duct (5) left end is provided with first ventilative mesh (7), its characterized in that: supplementary amortization mechanism (8) set up inside gasbag (11), and are located between first ventilative mesh (7) and the ventilative mesh of second (12), supplementary amortization mechanism (8) are including porous amortization material layer (81), organic fiber material layer (82), inorganic fiber material layer (83), polystyrene material layer (84) and inorganic foam material layer (85), porous amortization material layer (81) set up at organic fiber material layer (82) top terminal surface, inorganic fiber material layer (83) set up terminal surface under organic fiber material layer (82), polystyrene material layer (84) set up terminal surface under inorganic fiber material layer (83), inorganic foam material layer (85) set up terminal surface under polystyrene material layer (84).

2. The muffler for the high temperature resistant type automobile according to claim 1, wherein: the device main body also comprises an ash sticking net; the ash sticking net is arranged at the air outlet (9) of the air outlet pipe (5).

3. The muffler for the high temperature resistant type automobile according to claim 1, wherein: the rubber column (13) is provided with a plurality of rubber columns (13) which are all located on the inner walls of the air bag (11) and the outer barrel (1).

4. The muffler for the high temperature resistant type automobile according to claim 1, wherein: the device also comprises a damping mechanism (6); the damping mechanism (6) comprises a spring damper (61), an expansion rod (62) and a hollow sleeve (64); the hollow sleeve (64) is arranged on the inner wall of the outer barrel (1), the telescopic rod (62) is located inside the hollow sleeve (64), one end of the spring shock absorber (61) is connected with the telescopic rod (62), and the other end of the spring shock absorber (61) is tightly connected with the air bag (11).

5. The muffler for the high temperature resistant type automobile according to claim 4, wherein: the damping mechanisms (6) are arranged in a plurality, and the damping mechanisms (6) are uniformly positioned between the air bag (11) and the inner wall of the outer barrel (1); and the damping mechanism (6) also comprises a damping sheet which is positioned at the inner bottom end of the hollow sleeve (64).