CN219061829U - Noise reduction type turbocharger - Google Patents

Abstract

The utility model provides a noise-reducing turbocharger, which relates to the technical field of turbochargers, and the noise-reducing turbocharger provided by the utility model is characterized in that vibration generated during operation of the turbocharger is absorbed through a damping bag in a damping groove formed by an annular stable seat and an annular partition plate, so that noise generated by the vibration is reduced; and be provided with the support bar in the bradyseism bag, the bradyseism bag deformation is excessive when avoiding the shock attenuation, and the gas outlet position is provided with the amortization pipe simultaneously, combines shock attenuation and amortization equipment, and the cooperation is fallen the noise to the booster.

Description

Noise reduction type turbocharger

Technical Field

The utility model belongs to the technical field of turbochargers, and particularly relates to a noise reduction type turbocharger.

Background

With the deterioration of the atmospheric environment and the arousal of environmental awareness, the automotive industry has been thinking about how to achieve the same power output with less emissions, while for conventional engines, increasing the combustion efficiency of the engine during air input is the most mature solution at present; the turbocharger is a device capable of efficiently pressurizing exhaust gas. However, when the turbocharging device operates, the impeller in the turbocharging device can rotate at a high speed, and vibration can be generated in the rotating process; and the air flow rate at the air outlet position is fast, so that the noise radiation of the impeller and the air outlet position is obvious; however, as engines are propelled with lighter weight and smaller size, there is an increasing demand for lower speed torque and higher power from the engine, and turbochargers have to operate at higher loads, with noise issues becoming more pronounced.

Most of the existing noise reduction and noise reduction means are to add sound insulation materials around the turbocharger or to directly cover the sound insulation materials outside the turbocharger, but many sound insulation materials cannot be used in a high-temperature environment around the turbocharger for a long time, so that the service lives of the sound insulation materials are very limited, and meanwhile, the heat dissipation of the turbocharger can be influenced by directly covering the sound insulation materials outside, and the disassembly difficulty can be increased during maintenance of the turbocharger.

Therefore, in order to solve the problem of large turbocharger noise, a noise reduction type turbocharger is proposed.

Disclosure of Invention

In order to solve the problem of large noise of the turbocharger, the utility model provides the following technical scheme:

the noise reduction type turbocharger comprises a turbocharger shell and a mounting frame, wherein the mounting frame comprises a base and an annular stable seat; the inner diameter of the annular stable seat is matched with the outer diameter of the supercharger shell; an annular buffer groove is formed in the annular stable seat; an annular baffle plate is arranged below the annular buffer groove; a gap is reserved between the annular partition plate and the annular buffer groove, and a buffer cavity is formed; a cushioning bag is arranged in the buffer cavity; and a silencing pipe is arranged at the air outlet of the supercharger shell.

Preferably, the annular partition plate and the end of the annular buffer groove are provided with protrusions.

Preferably, the width of the cushioning bag is larger than the distance between the annular partition plate and the opposite convex parts of the annular cushioning groove.

Preferably, the cushioning bag is made of rubber.

Preferably, a supporting bar is arranged in the cushioning bag.

Preferably, the silencing pipe is internally filled with silencing cotton.

The beneficial effects of the utility model are as follows: an annular stable seat with a damping function is added outside the turbocharger, and vibration generated during operation of the turbocharger is absorbed through a damping bag in a damping groove formed by the annular stable seat and the annular partition plate, so that noise generated by vibration is reduced; meanwhile, the support bars are arranged in the cushioning bag made of rubber materials, so that the deformation amplitude of the cushioning bag is limited to a certain extent, and the support property can be maintained in severe vibration. The silencing pipe is arranged at the air outlet, noise propagation at the air outlet is reduced by utilizing a sound insulation material in the silencing pipe, meanwhile, the silencing pipe is of a quick-dismantling structure, and the silencing cotton can be replaced only by opening the pipe cover when being installed and replaced.

Drawings

In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the following description will briefly explain the drawings used in the embodiments or the description of the prior art, and it is obvious that the drawings in the following description are only some embodiments of the utility model, and other drawings can be obtained by those skilled in the art without inventive effort.

FIG. 1 is a schematic diagram of the structure of the present utility model;

FIG. 2 is a schematic cross-sectional view of an annular stabilizing seat;

FIG. 3 is a schematic view of an annular stabilizer seat;

FIG. 4 is a schematic cross-sectional view of a noise reduction tube;

in the figure: 1-supercharger housing: 2-a base; 3-an annular stabilizing seat; 4-a muffler pipe; 5-an annular buffer tank; 6-annular partition plates; 7-a damping cavity; 8-a shock absorption bag; 9-supporting bars; 10-silencing cotton; 11-tube cap.

Detailed Description

Embodiments of the present utility model are described in detail below, examples of which are illustrated in the accompanying drawings, wherein the same or similar reference numerals refer to the same or similar elements or elements having the same or similar functions throughout. The embodiments described below by referring to the drawings are exemplary only for explaining the present utility model and are not to be construed as limiting the present utility model.

In the description of the present utility model, it should be understood that the terms "center," "longitudinal," "transverse," "length," "width," "thickness," "up," "down," "front," "back," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," "clockwise," "counterclockwise," etc. indicate orientations or positional relationships based on the orientation or positional relationships shown in the drawings are merely for convenience in describing the present utility model and to simplify the description, and do not indicate or imply that the device or element being referred to must have a specific orientation, be configured and operated in a specific orientation, and therefore should not be construed as limiting the present utility model. Furthermore, the terms "first," "second," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include one or more such feature. In the description of the present utility model, the meaning of "a plurality" is two or more, unless explicitly defined otherwise.

Examples:

as shown in fig. 1-4, a noise reduction type turbocharger comprises a turbocharger shell 1 and a mounting frame, wherein the mounting frame comprises a base 2 and an annular stable seat 3, and screw holes are formed in the bottom of the base 2 and can be fixed on a working platform through bolts so as to ensure that the mounting frame is firm in foundation and cannot generate displacement due to vibration; the annular stable seat 3 is in a cylindrical shape, an annular buffer groove 5 is formed in an outer annular ring, and an annular partition plate 6 is arranged below the buffer groove; a certain gap is reserved between the annular partition plate 6 and the annular buffer groove 5 to form a buffer cavity. The buffer chamber is internally provided with the cushioning bag 8 made of rubber materials, and the cushioning bag 8 is annularly distributed along the inner wall of the buffer chamber, so that the width of each part in the buffer chamber is equal, and the shell is ensured to be in a central position during assembly. The buffer cavity is reserved, and meanwhile, the thickness of the annular partition plate 6 is determined according to the assembly condition of the supercharger shell 1 and the annular stable seat 3, so that the shell is fixed firmly during assembly, and the problems of slipping and the like cannot occur under the vibration condition.

The turbocharger is characterized in that a muffler pipe 4 is arranged at the position of an air outlet pipe of the turbocharger, the muffler pipe 4 is annularly coated outside the air outlet pipe, a gap is reserved between the inner wall of the muffler pipe 4 and the air outlet pipe, one end of the muffler pipe is connected with the air outlet pipe to be sealed to form a space with a single-side opening, a pipe cover 11 is arranged at the opening, and noise reduction cotton 10 is filled in the opening.

As a preferred embodiment, the edges of the opposite sides of the annular buffer groove 5 and the annular partition plate 6 are provided with protrusions, the distance between the protrusions on two sides is smaller than the width of the shock absorbing bag 8, so that the shock absorbing bag 8 can be clamped between the protrusions during vibration, and the shock absorbing bag cannot slip out due to vibration, so that equipment is damaged. Meanwhile, the support bars 9 are further arranged in the cushioning bag 8, limit is made on the deformation degree of the cushioning bag 8, and the cushioning bag is prevented from being compressed too much to slide out of the cushioning cavity 7.

When the turbocharger housing is used, the annular partition plate 6 with proper thickness is selected, so that the turbocharger housing 1 can be firmly installed in the annular stable seat 3 and is kept in the center of the annular stable seat 3; and then checking the condition of the silencing cotton 10 in the silencing pipe 4, and when the silencing cotton 10 needs to be replaced, directly opening the pipe cover 11 to take out the silencing cotton 10 and putting in a new one to finish the replacement.

According to the utility model, the annular stable seat 3 is matched with the rubber shock-absorbing bag 8, so that the vibration generated during the operation of the turbine is reduced, and the noise generated by the turbine due to the vibration is fundamentally solved; meanwhile, the silencing pipe 4 is arranged at the air outlet, noise generated during exhaust is weakened, and the noise reduction effect is improved by combining various noise reduction modes.

In the description of the present specification, the descriptions of the terms "one embodiment," "certain embodiments," "an exemplary embodiment," "an example," "a particular example," or "some examples," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the present utility model. In this specification, schematic representations of the above terms do not necessarily refer to the same embodiments or examples. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

In summary, although the present utility model has been described in terms of the preferred embodiments, the preferred embodiments are not limited to the above embodiments, and various modifications and changes can be made by one skilled in the art without departing from the spirit and scope of the utility model, and the scope of the utility model is defined by the appended claims.

Claims (6)

1. A noise reduction turbocharger, characterized by: the supercharger comprises a supercharger shell and a mounting frame, wherein the mounting frame comprises a base and an annular stable seat; the inner diameter of the annular stable seat is matched with the outer diameter of the supercharger shell; an annular buffer groove is formed in the annular stable seat; an annular baffle plate is arranged below the annular buffer groove; a gap is reserved between the annular partition plate and the annular buffer groove, and a buffer cavity is formed; a cushioning bag is arranged in the buffer cavity; and a silencing pipe is arranged at the air outlet of the supercharger shell.

2. A noise-reducing turbocharger according to claim 1, characterized in that: the end parts of the annular partition plates and the annular buffer grooves are oppositely provided with bulges.

3. A noise-reducing turbocharger according to claim 2, characterized in that: the width of the shock-absorbing bag is larger than the distance between the opposite convex parts of the annular partition plate and the annular buffer groove.

4. A noise-reducing turbocharger according to claim 1, characterized in that: the cushioning bag is made of rubber.

5. A noise-reducing turbocharger according to claim 4, wherein: the support bars are arranged in the cushioning bag.

6. A noise-reducing turbocharger according to claim 5, characterized in that: and silencing cotton is filled in the silencing pipe.

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