CN204961020U

CN204961020U - Automobile silencer

Info

Publication number: CN204961020U
Application number: CN201520670185.7U
Authority: CN
Inventors: 章飞
Original assignee: Jiaxing Vocational and Technical College
Current assignee: Jiaxing Vocational and Technical College
Priority date: 2015-08-31
Filing date: 2015-08-31
Publication date: 2016-01-13
Anticipated expiration: 2025-08-31

Abstract

The utility model discloses an automobile silencer, including the outer box of muffler, intake pipe, first expansion chamber, second expansion chamber, third expansion chamber and gas vent, first expansion chamber is installed respectively to the inner chamber of the outer box of muffler, the second expansion chamber, the third expansion chamber, sympathetic response cavity and division board, this automobile silencer, be equipped with two amortization chambeies, can effectually be divided into two the air current, the noise cancelling effect of muffler has been improved, also reduce pressure to the pressure in the muffler simultaneously, the air current velocity of liquid assets of muffler has been improved, can guarantee whole the embodying of output of engine, very big improvement the reliability of muffler work, air current dispersion piece is installed to the left side inner chamber of air current shunt tubes, the effect that disperses in the time of can getting into in the silencer to the air current and play the buffering, improve the noise cancelling effect of silencer, also reduce simultaneously the atmospheric pressure of muffler inner chamber.

Description

A kind of mobile muffler

Technical field

The utility model relates to baffler technical field, is specially a kind of mobile muffler.

Background technique

On the air-flow path that silencing apparatus is mounted in air powered equipment or reduce the device of noise in inlet and exhaust system, silencing apparatus can stop sound wave propagation, permission air-flow passes through, and is the effective tool of control noise, existing silencing apparatus, body internal pressure is easily too high, exhaust resistance is large, reduces the effect of noise reduction, and exhaust is easily obstructed, reduce the effective output of motor, greatly reduce the reliability of baffler work.

Model utility content

The purpose of this utility model is to provide a kind of mobile muffler, to solve the problem proposed in above-mentioned background technology.

For achieving the above object, the utility model provides following technological scheme: a kind of mobile muffler, comprises baffler outer casing, suction tude, the first expansion chamber, the second expansion chamber, the 3rd expansion chamber and relief opening, the left side of described baffler outer casing is provided with suction tude, the inner chamber of described suction tude is provided with interior pipe, the inner chamber of described interior pipe is provided with air-flow path, the inner chamber of described baffler outer casing is separately installed with the first expansion chamber, second expansion chamber, 3rd expansion chamber, sympathetic response cavity and demarcation strip, the inner chamber of described first expansion chamber is provided with airflow diversion pipe, the inwall of described baffler outer casing is provided with noise elimination cotton, described first expansion chamber, the right side of the second expansion chamber and the 3rd expansion chamber is all provided with expansion chamber dividing plate, the right side of described first expansion chamber connects the 3rd expansion chamber by the bottom of snorkel, the bottom passing on left muffler of described 3rd expansion chamber connects the second expansion chamber, the right side of described second expansion chamber connects sympathetic response cavity by the bottom of outlet pipe, the right side in described sympathetic response cavity is provided with protective screen plate, the right side of described silencing apparatus outer casing is provided with relief opening.

Preferably, the outer right wall of described suction tude is provided with and is connected and fixed ring.

Preferably, the outer wall of described interior pipe and airflow diversion pipe is equipped with circular hole.

Preferably, the left side inner chamber of described airflow diversion pipe is provided with air dispersion block.

Preferably, the described outer wall of expansion chamber dividing plate and the inwall of relief opening are all provided with sound-absorption layer.

Compared with prior art, the beneficial effects of the utility model are: this mobile muffler, be provided with two silencing cavity, effectively air-flow can be divided into two, improve the erasure effect of baffler, also the pressure in baffler device is reduced pressure simultaneously, improve the airflow speed of baffler, can ensure that the output power of motor all embodies, greatly improve the reliability of baffler work, in addition, be provided with in the outer right wall of suction tude and be connected and fixed ring, effectively suction tude can be linked together closely in baffler outer casing like this, the outer wall of interior pipe and airflow diversion pipe is equipped with circular hole, can effectively air-flow be carried out disperseing and slowing down, the left side inner chamber of airflow diversion pipe is provided with air dispersion block, disperse and play the effect of buffering when can enter in silencing apparatus air-flow, improve the erasure effect of silencing apparatus, also reduce the air pressure of baffler inner chamber simultaneously, the outer wall of expansion chamber dividing plate and the inwall of relief opening are all provided with sound-absorption layer, further raising erasure effect.

Accompanying drawing explanation

Fig. 1 is the utility model Facad structure schematic diagram.

In figure: 1 silencing apparatus outer casing, 2 is connected and fixed pipe, 5 air-flow paths, 6 first expansion chambers, 7 second expansion chambers, 8 the 3rd expansion chambers, 9 sympathetic response cavities, 10 air dispersion blocks, 11 airflow diversion pipes, 12 noise elimination cotton, 13 demarcation strips, 14 expansion chamber dividing plates, 15 absorbent treatments, 16 snorkels, 17 mufflers, 18 outlet pipes, 19 protective screen plates, 20 relief openings in ring, 3 suction tude, 4.

Embodiment

Below in conjunction with the accompanying drawing in the utility model embodiment, be clearly and completely described the technological scheme in the utility model embodiment, obviously, described embodiment is only the utility model part embodiment, instead of whole embodiments.Based on the embodiment in the utility model, those of ordinary skill in the art are not making other embodiments all obtained under creative work prerequisite, all belong to the scope of the utility model protection.

Refer to Fig. 1, the utility model provides a kind of technological scheme: a kind of mobile muffler, comprises baffler outer casing 1, suction tude 3, first expansion chamber 6, second expansion chamber 7, the 3rd expansion chamber 8, sympathetic response cavity 9 and relief opening 20, the left side of baffler outer casing 1 is provided with suction tude 3, the outer right wall of suction tude 3 is provided with and is connected and fixed ring 2, effectively suction tude 3 can be linked together closely in baffler outer casing 1 like this, the inner chamber of suction tude 3 is provided with interior pipe 4, the outer wall of interior pipe 4 and airflow diversion pipe 11 is equipped with circular hole, can effectively air-flow be carried out disperseing and slowing down, the inner chamber of interior pipe 4 is provided with air-flow path 5, the inner chamber of baffler outer casing 1 is separately installed with the first expansion chamber 6, second expansion chamber 7, 3rd expansion chamber 8, sympathetic response cavity 9 and demarcation strip 13, the inner chamber of the first expansion chamber 6 is provided with airflow diversion pipe 11, the left side inner chamber of airflow diversion pipe 11 is provided with air dispersion block 10, disperse and play the effect of buffering when can enter in silencing apparatus air-flow, improve the erasure effect of silencing apparatus, also reduce the air pressure of baffler inner chamber simultaneously, the inwall of baffler outer casing 1 is provided with noise elimination cotton 12, first expansion chamber 6, the right side of the second expansion chamber 7 and the 3rd expansion chamber 8 is all provided with expansion chamber dividing plate 14, the outer wall of expansion chamber dividing plate 14 and the inwall of relief opening 20 are all provided with sound-absorption layer 15, further raising erasure effect, the right side of the first expansion chamber 6 connects the 3rd expansion chamber 8 by the bottom of snorkel 16, the bottom passing on left muffler 17 of the 3rd expansion chamber 8 connects the second expansion chamber 7, the right side of the second expansion chamber 7 connects sympathetic response cavity 9 by the bottom of outlet pipe 18, the right side in sympathetic response cavity 9 is provided with protective screen plate 19, the right side of silencing apparatus outer casing 1 is provided with relief opening 20, this mobile muffler, be provided with two silencing cavity, effectively air-flow can be divided into two, improve the erasure effect of baffler, also the pressure in baffler device is reduced pressure simultaneously, improve the airflow speed of baffler, can ensure that the output power of motor all embodies, greatly improve the reliability of baffler work, during use, attach it on automobile relevant position.

Although illustrate and described embodiment of the present utility model, for the ordinary skill in the art, be appreciated that and can carry out multiple change, amendment, replacement and modification to these embodiments when not departing from principle of the present utility model and spirit, scope of the present utility model is by claims and equivalents thereof.

Claims

1. a mobile muffler, comprises baffler outer casing (1), suction tude (3), the first expansion chamber (6), the second expansion chamber (7), the 3rd expansion chamber (8), sympathetic response cavity (9) and relief opening (20), it is characterized in that: the left side of described baffler outer casing (1) is provided with suction tude (3), the inner chamber of described suction tude (3) is provided with interior pipe (4), the inner chamber of described interior pipe (4) is provided with air-flow path (5), the inner chamber of described baffler outer casing (1) is separately installed with the first expansion chamber (6), second expansion chamber (7), 3rd expansion chamber (8), sympathetic response cavity (9) and demarcation strip (13), the inner chamber of described first expansion chamber (6) is provided with airflow diversion pipe (11), the inwall of described baffler outer casing (1) is provided with noise elimination cotton (12), described first expansion chamber (6), the right side of the second expansion chamber (7) and the 3rd expansion chamber (8) is all provided with expansion chamber dividing plate (14), the right side of described first expansion chamber (6) connects the 3rd expansion chamber (8) by the bottom of snorkel (16), the bottom passing on left muffler (17) of described 3rd expansion chamber (8) connects the second expansion chamber (7), the right side of described second expansion chamber (7) connects sympathetic response cavity (9) by the bottom of outlet pipe (18), the right side of described sympathetic response cavity (9) is provided with protective screen plate (19), the right side of described silencing apparatus outer casing (1) is provided with relief opening (20).

2. a kind of mobile muffler according to claim 1, is characterized in that: the outer right wall of described suction tude (3) is provided with and is connected and fixed ring (2).

3. a kind of mobile muffler according to claim 1, is characterized in that: the outer wall of described interior pipe (4) and airflow diversion pipe (11) is equipped with circular hole.

4. a kind of mobile muffler according to claim 1, is characterized in that: the left side inner chamber of described airflow diversion pipe (11) is provided with air dispersion block (10).

5. a kind of mobile muffler according to claim 1, is characterized in that: the outer wall of described expansion chamber dividing plate (14) and the inwall of relief opening (20) are all provided with sound-absorption layer (15).