CN217152438U

CN217152438U - Turbocharger with noise reduction device

Info

Publication number: CN217152438U
Application number: CN202220382623.XU
Authority: CN
Inventors: 高宇; 姜鑫; 姜兆杰; 李添煜
Original assignee: Shenyang Institute of Engineering
Current assignee: Shenyang Institute of Engineering
Priority date: 2022-02-24
Filing date: 2022-02-24
Publication date: 2022-08-09
Anticipated expiration: 2032-02-24

Abstract

The utility model discloses a turbocharger with a noise reduction device, in particular to the technical field of turbochargers, which comprises a supercharger shell, wherein one side of the supercharger shell is provided with an exhaust pipe, one side of the exhaust pipe is provided with an inner side blocking mechanism, the inner side blocking mechanism comprises an inner side connecting ring, one side of the inner side connecting ring is fixedly connected with an inner side sleeve pipe, the inner part of one side of the inner side sleeve pipe is fixedly connected with an inner side blocking ring, one side of the inner side blocking mechanism is provided with an outer side blocking mechanism, the outer side blocking mechanism comprises an outer side connecting pipe, one side of the outer side connecting pipe is fixedly connected with an outer side sleeve pipe, one side of the outer side sleeve pipe is fixedly connected with an outer side retaining ring, the inner part of the outer side retaining ring is provided with a plurality of ventilation grooves, and silencing cotton is movably connected between the outer side sleeve pipe and the inner side blocking ring, the exhaust efficiency of the turbocharger is guaranteed, the air in the inner wall of the exhaust pipe is decelerated simultaneously, and the noise reduction effect is achieved.

Description

Turbocharger with noise reduction device

Technical Field

The utility model relates to a turbo charger technical field, more specifically say, the utility model relates to a turbo charger with device of making an uproar falls.

Background

Turbo charger mainly comprises parts such as pump impeller and turbine, pump impeller and turbine link to each other by the rotor, engine exhaust gas drive pump impeller, the pump impeller drives the turbine rotation, the turbo rotates the back and gives the air intake system pressure boost, the booster is installed in the exhaust one side of engine, therefore the operating temperature of booster is very high, including the rotational speed of booster during operation rotor is very high, can reach hundreds of thousands of revolutions per minute, so high rotational speed and temperature make common mechanical kingpin or ball bearing can't be for the rotor work, therefore turbo charger generally adopts full floating bearing, lubricate by machine oil, still there is coolant liquid to cool off for the booster, waste gas is finally discharged by the gas vent after the booster is carried out.

The air of turbo charger exhaust port department is at first accelerateed via the booster, and speed increases to slowly reducing when big in the exhaust pipe, and at the in-process that the air is accelerateed, the air can produce huge frictional force with the pipe wall of exhaust pipe, finally produces the noise, can cause noise pollution to the surrounding environment.

SUMMERY OF THE UTILITY MODEL

In order to overcome the above-mentioned defect of prior art, the utility model provides a turbo charger with device of making an uproar falls, the utility model aims to solve the technical problem that: in the process of accelerating air at the exhaust port of the turbocharger, huge friction force is generated between the air and the pipe wall of the exhaust pipe, and finally noise is generated.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a turbo charger with device of making an uproar falls, includes the booster shell, one side of booster shell is provided with the blast pipe, one side of blast pipe is provided with inboard barrier mechanism, inboard barrier mechanism includes inboard go-between, the inboard sleeve pipe of one side fixedly connected with of inboard go-between, the inboard barrier ring of inside fixedly connected with of inboard sleeve pipe one side, a plurality of inboard bleeder vents have been seted up to the inside of inboard barrier ring, one side of inboard barrier mechanism is provided with outside barrier mechanism, outside barrier mechanism includes the outside connecting pipe, one side fixedly connected with outside sleeve pipe of outside connecting pipe, a plurality of outside bleeder vents have been seted up to the inside of outside sleeve pipe one side, swing joint has the amortization cotton between outside sleeve pipe and the inboard barrier ring, inboard sleeve pipe is located the sheathed tube outside in the outside.

In a preferred embodiment, a plurality of limiting strips are fixedly connected to one side inside the exhaust pipe, a plurality of limiting grooves are formed in the periphery of one side of the inner side sleeve, the plurality of limiting strips are respectively located inside the plurality of limiting grooves, and the limiting grooves and the limiting strips are used to facilitate preventing the inner side sleeve from rotating inside the exhaust pipe, so that the pressure of the second lug and the first lug is reduced.

In a preferred embodiment, a plurality of first lugs are fixedly connected to the outer periphery of one side of the exhaust pipe, a plurality of second lugs are fixedly connected to the outer periphery of the inner connecting ring, and a plurality of third lugs are fixedly connected to the outer periphery of one side of the outer connecting pipe.

In a preferred embodiment, a second sealing ring is movably connected between the exhaust pipe and the inner connecting ring, and the second sealing ring is movably sleeved outside the inner sleeve, so that the exhaust pipe and the inner connecting ring can be sealed conveniently by using the second sealing ring, and the exhaust efficiency is ensured.

In a preferred embodiment, a first sealing ring is movably connected between the inner connecting ring and the outer connecting pipe, and the first sealing ring is movably sleeved outside the outer sleeve, so that the sealing between the inner connecting ring and the outer connecting pipe is facilitated through the use of the first sealing ring, and the exhaust efficiency is ensured.

In a preferred embodiment, one side of the outer sleeve is fixedly connected with an outer retainer ring, the periphery of one side of the outer retainer ring is movably connected with the inner blocking ring, the outer retainer ring is positioned on the inner side of the silencing cotton, the outer retainer ring is used for facilitating the silencing cotton to be installed between the inner blocking ring and the outer sleeve, and air contacting with the inner wall of the exhaust pipe can conveniently penetrate through the inner part of the silencing cotton.

In a preferred embodiment, a plurality of ventilation grooves are formed in the outer retainer ring, and the ventilation grooves are used, so that the contact area between the ventilation grooves and air is reduced, and noise reduction work by using the silencing cotton is facilitated.

The utility model discloses a technological effect and advantage:

the utility model discloses a to inside barrier mechanism and outside barrier mechanism's use, when the inside that the air got into the blast pipe begins to accelerate, with the air of blast pipe inner wall contact, get into the inside of inboard bleeder vent, slow down by the amortization cotton, the inside of reentrant outside connecting pipe, finally discharge with the air of blast pipe central zone territory together slowing down, the effect of making an uproar has been reached, the air that flows at blast pipe central zone territory, when flowing through the inner wall contact of outside retaining ring and outside retaining ring, guide and the cotton contact of amortization by the ventilation slots, utilize the amortization cotton to absorb the size that reduces the volume of noise to the noise.

Drawings

Fig. 1 is a schematic diagram of the external structure of the present invention.

Fig. 2 is a schematic view of the unfolding structure of the present invention.

Fig. 3 is an enlarged schematic view of a portion a in fig. 1 according to the present invention.

Fig. 4 is a schematic view of the whole structure of the exhaust pipe of the present invention.

Fig. 5 is a schematic view of the overall structure of the inner side blocking mechanism of the present invention.

Fig. 6 is a schematic view of the overall structure of the outside blocking mechanism of the present invention.

Fig. 7 is a schematic view of the connection structure between the exhaust pipe and the housing of the supercharger according to the present invention.

The reference signs are: 1. an exhaust pipe; 2. an inner side blocking mechanism; 21. a second ear lobe; 22. an inboard blocker ring; 23. a limiting groove; 24. an inner sleeve; 25. an inner connecting ring; 26. inner side air holes; 3. an outer barrier mechanism; 31. a third ear lobe; 32. an outer retainer ring; 33. a ventilation groove; 34. outer air holes; 35. an outer sleeve; 36. an outer side connecting pipe; 4. a first ear lobe; 5. a limiting strip; 6. silencing cotton; 7. a first seal ring; 8. a second seal ring; 9. a supercharger housing.

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 all belong to the protection scope of the present invention.

Referring to the attached drawings 1-7 of the specification, the turbocharger with the noise reduction device of the embodiment comprises a supercharger shell 9, an exhaust pipe 1 is arranged on one side of the supercharger shell 9, an inner side blocking mechanism 2 is arranged on one side of the exhaust pipe 1, the inner side blocking mechanism 2 comprises an inner connecting ring 25, an inner side sleeve 24 is fixedly connected to one side of the inner connecting ring 25, an inner side blocking ring 22 is fixedly connected to the inside of one side of the inner side sleeve 24, a plurality of limiting strips 5 are fixedly connected to one side of the inside of the exhaust pipe 1, a plurality of limiting grooves 23 are formed in the periphery of one side of the inner side sleeve 24, the plurality of limiting strips 5 are respectively located inside the plurality of limiting grooves 23, through the use of the limiting grooves 23 and the limiting strips 5, the inner side sleeve 24 is favorably prevented from rotating inside the exhaust pipe 1, so that the pressure of the second lug 21 and the first lug 4 is reduced, and a second sealing ring 8 is movably connected between the exhaust pipe 1 and the inner connecting ring 25, the second sealing ring 8 is movably sleeved outside the inner side sleeve 24, and by using the second sealing ring 8, the exhaust pipe 1 and the inner side connecting ring 25 are favorably sealed, and the exhaust efficiency is ensured, the outer side blocking mechanism 3 is arranged on one side of the inner side blocking mechanism 2, the outer side blocking mechanism 3 comprises an outer side connecting pipe 36, one side of the outer side connecting pipe 36 is fixedly connected with an outer side sleeve 35, the silencing cotton 6 is movably connected between the outer side sleeve 35 and the inner side blocking ring 22, the inner side sleeve 24 is positioned on the outer side of the outer side sleeve 35, the periphery of one side of the exhaust pipe 1 is fixedly connected with a plurality of first ear leaves 4, the periphery of the inner side connecting ring 25 is fixedly connected with a plurality of second ear leaves 21, the periphery of one side of the outer side connecting pipe 36 is fixedly connected with a plurality of third ear leaves 31, and by using the first ear leaves 4, the second ear leaves 21 and the third ear leaves 31, the inner side blocking mechanism 2 and the outer side blocking mechanism 3 are conveniently installed on one side of the exhaust pipe 1, therefore, noise reduction treatment is carried out by using the silencing cotton 6, the first sealing ring 7 is movably connected between the inner connecting ring 25 and the outer connecting pipe 36, the first sealing ring 7 is movably sleeved outside the outer sleeve 35, sealing between the inner connecting ring 25 and the outer connecting pipe 36 is facilitated by using the first sealing ring 7, and exhaust efficiency is guaranteed.

The implementation scenario is specifically as follows:

in carrying out the utility model discloses an in the use, at first cup joint second sealing washer 8 in the outside of inboard sleeve pipe 24, then inboard sleeve pipe 24 installs the inside to blast pipe 1, make a plurality of spacing 5 fall respectively in the inside of spacing groove 23, cup joint amortization cotton 6 again in the outside of outside retaining ring 32 and cup joint first sealing washer 7 in the outside of outside sleeve pipe 35, install outside sleeve pipe 35 in the inside of inboard sleeve pipe 24 afterwards, after accomplishing the installation work, utilize a plurality of bolts to pass first ear leaf 4 in proper order, the inside of second ear leaf 21 and third ear leaf 31, thereby it is fixed with blast pipe 1 with outside connecting pipe 36 and inboard go-between 25, and can prevent gas leakage through utilizing first sealing washer 7 and second sealing washer 8, guarantee exhaust efficiency.

Referring to the attached

drawings

1, 3, 5 and 6 of the specification, the turbocharger with the noise reduction device of the embodiment comprises an inner side blocking ring 22 and an outer side sleeve 35, wherein a plurality of inner side vent holes 26 are formed in the inner side blocking ring 22, a plurality of outer side vent holes 34 are formed in one side of the outer side sleeve 35, one side of the outer side sleeve 35 is fixedly connected with an outer side retainer ring 32, the periphery of one side of the outer side retainer ring 32 is movably connected with the inner side blocking ring 22, the outer side retainer ring 32 is positioned on the inner side of the silencing cotton 6, the silencing cotton 6 is favorably arranged between the inner side blocking ring 22 and the outer side sleeve 35 through the use of the outer side retainer ring 32, air contacting with the inner wall of the exhaust pipe 1 conveniently penetrates through the inner part of the silencing cotton 6, a plurality of ventilation grooves 33 are formed in the outer side retainer ring 32, the contact area between the ventilation grooves 33 and the air is favorably reduced through the use of the ventilation grooves 33, the noise reduction work by the noise reduction cotton 6 is facilitated.

The implementation scenario is specifically as follows:

when the utility model is used, the air entering the exhaust pipe 1 starts to accelerate, on one hand, the air contacting with the inner wall of the exhaust pipe 1 firstly enters the inside of the inner vent hole 26 and is decelerated through the silencing cotton 6 outside the outer retainer ring 32, thereby reducing the noise volume, on the other hand, the air enters the inside of the outer connecting pipe 36 from the inside of the outer vent hole 34 after passing through the inside of the silencing cotton 6, thereby being decelerated and discharged together with the air in the central area of the exhaust pipe 1, on the other hand, the air flowing in the central area of the exhaust pipe 1 is guided by the vent groove 33 to contact with the silencing cotton 6 when flowing through the inner side of the outer retainer ring 32 and contacting with the inner wall of the outer retainer ring 32, thereby decelerating and reducing the noise volume, the utility model ensures that the air in the central area inside the exhaust pipe 1 is accelerated and then decelerated and discharged through the use of the inner blocking mechanism 2 and the outer blocking mechanism 3, and simultaneously, the speed reduction work of the air on the inner wall of the exhaust pipe 1 is carried out, thereby achieving the effect of noise reduction.

And finally: the above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the present invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. The utility model provides a turbo charger with device of making an uproar falls, includes booster shell (9), one side of booster shell (9) is provided with blast pipe (1), its characterized in that: one side of the exhaust pipe (1) is provided with an inner side blocking mechanism (2), the inner side blocking mechanism (2) comprises an inner side connecting ring (25), one side of the inner side connecting ring (25) is fixedly connected with an inner side sleeve (24), the inner side of one side of the inner side sleeve (24) is fixedly connected with an inner side blocking ring (22), the inner side blocking ring (22) is internally provided with a plurality of inner side air holes (26), one side of the inner side blocking mechanism (2) is provided with an outer side blocking mechanism (3), the outer side blocking mechanism (3) comprises an outer side connecting pipe (36), one side of the outer side connecting pipe (36) is fixedly connected with an outer side sleeve (35), the inner side of one side of the outer side sleeve (35) is provided with a plurality of outer side air holes (34), and a silencing cotton (6) is movably connected between the outer side sleeve (35) and the inner side blocking ring (22), the inner sleeve (24) is located outside the outer sleeve (35).

2. The turbocharger with the noise reduction device according to claim 1, wherein: one side fixedly connected with a plurality of spacing strips (5) of blast pipe (1) inside, a plurality of spacing grooves (23) have been seted up to the periphery of inboard sleeve pipe (24) one side, and is a plurality of spacing strips (5) are located the inside of a plurality of spacing grooves (23) respectively.

3. The turbocharger with the noise reduction device according to claim 1, wherein: the exhaust pipe is characterized in that a plurality of first ear leaves (4) are fixedly connected to the periphery of one side of the exhaust pipe (1), a plurality of second ear leaves (21) are fixedly connected to the periphery of the inner connecting ring (25), and a plurality of third ear leaves (31) are fixedly connected to the periphery of one side of the outer connecting pipe (36).

4. The turbocharger with the noise reduction device according to claim 1, wherein: a second sealing ring (8) is movably connected between the exhaust pipe (1) and the inner connecting ring (25), and the second sealing ring (8) is movably sleeved outside the inner sleeve (24).

5. The turbocharger with the noise reduction device according to claim 1, wherein: a first sealing ring (7) is movably connected between the inner connecting ring (25) and the outer connecting pipe (36), and the first sealing ring (7) is movably sleeved outside the outer sleeve (35).

6. The turbocharger with the noise reduction device according to claim 1, wherein: one side fixedly connected with outside retaining ring (32) of outside sleeve pipe (35), the periphery and inboard barrier ring (22) of outside retaining ring (32) one side carry out swing joint, outside retaining ring (32) are located the inboard of amortization cotton (6).

7. The turbocharger with the noise reduction device according to claim 6, wherein: a plurality of ventilation grooves (33) are formed in the outer retainer ring (32).