CN221032843U - Variable cross-section turbocharger - Google Patents

Abstract

The utility model discloses a variable-section turbocharger, which comprises a turbocharger main body, an air inlet pipeline arranged on the turbocharger main body, a shell fixed on one side of the air inlet pipeline, a rotary table rotatably arranged in an inner cavity of the shell, a main pipe body fixed on one side of the shell and communicated with the shell, a motor arranged on the main pipe body and fixedly connected with the rotary table through a shaft, an exhaust pipeline arranged on one side of the main pipe body and extending into the inner cavity of the main pipe body, a branch pipe body integrally fixed on the main pipe body and communicated with the main pipe body, and a filter screen arranged in the inner cavity of the branch pipe body and with one end communicated with the exhaust pipeline and the other end fixed at the bottom end of the branch pipe body.

Description

Variable cross-section turbocharger

Technical Field

The utility model relates to the technical field of turbochargers, in particular to a variable cross-section turbocharger.

Background

The existing turbocharger is used for being connected with an engine, and utilizes the inertial impulsive force of exhaust gas discharged by the engine to push a turbine in a turbine chamber, the turbine drives a coaxial impeller, and the impeller presses and pumps air sent by an air filter pipeline to enable the air to be supercharged into a cylinder.

However, the existing turbocharger has the defects that turbo lag phenomenon exists, the power output of an engine is nonlinear, the supercharging effect is not obvious at low rotation speed, and meanwhile, impurity particles contained in exhaust gas easily enter a turbine to cause the damage of an impeller, so that improvement space exists.

Disclosure of utility model

The present utility model aims to solve one of the technical problems existing in the prior art or related technologies.

The technical scheme adopted by the utility model is as follows: a variable cross-section turbocharger comprising: the main body module comprises a turbocharger main body, an air inlet pipeline arranged on the turbocharger main body, a shell fixed on one side of the air inlet pipeline, a rotary table rotatably arranged in an inner cavity of the shell, a main pipe body fixed on one side of the shell and communicated with the shell, a motor arranged on the main pipe body and fixedly connected with the rotary table, an exhaust pipeline arranged on one side of the main pipe body and extending into the inner cavity of the main pipe body, a branch pipe body integrally fixed on the main pipe body and communicated with the main pipe body, and a filter screen arranged in the inner cavity of the branch pipe body and with one end communicated with the other end of the exhaust pipeline and the other end fixed at the bottom end of the branch pipe body.

The turntable is provided with a plurality of air flow channels in an annular array, and the cross sections of the air flow channels are gradually reduced in a clockwise direction.

The present utility model may be further configured in a preferred example to: the air inlet pipeline and the main pipe body are positioned on the same horizontal line.

The present utility model may be further configured in a preferred example to: the bottom of the branch pipe body is provided with a through hole, the through hole is communicated with the inner cavity of the filter screen, and a sealing plug is installed in the through hole through threaded connection.

The present utility model may be further configured in a preferred example to: the exhaust gas pipeline is arranged in a unidirectional way.

The present utility model may be further configured in a preferred example to: the number of the air flow channels is four.

By adopting the technical scheme, the beneficial effects obtained by the utility model are as follows:

1. According to the utility model, the shell is arranged on one side of the air inlet pipe of the turbocharger, the main pipe body is arranged on one side of the shell, the main pipe body and the air inlet pipe are positioned on the same horizontal line, meanwhile, the turntable is rotationally arranged in the inner cavity of the shell, four air flow channels are formed in an annular array on the turntable, the section of each air flow channel is gradually reduced, the motor is arranged on the main pipe body, the shaft of the motor is fixedly connected with the turntable, when in use, the turntable can be driven by the motor to rotate, the air flow channels with different sections are replaced at the air inlet pipe through the rotation of the turntable, along with the reduction of the section of the air flow channels, the pressure of waste gas is increased when the waste gas enters the air inlet pipe, the pressurized waste gas can blow the turbine to rotate at a high speed, the change of the waste gas pressure is realized, and the situations of hysteresis phenomenon of the turbocharger, the unobvious supercharging effect when the speed is low are avoided.

2. According to the utility model, the exhaust pipeline extending into the main pipe body is arranged on one side of the main pipe body, the branch pipe body is integrally communicated with the main pipe body, the filter screen is arranged in the branch pipe body, the top end of the filter screen is communicated with the exhaust pipeline, the bottom end of the filter screen is fixed with the bottom end of the branch pipe body, so that when exhaust gas is fed through the exhaust pipeline, impurities contained in the exhaust gas are filtered through the filter screen, the impurities in the exhaust gas are prevented from entering the inner cavity of the turbocharger, the stable operation of the turbocharger is ensured, in addition, the sealing plug is arranged at the bottom end of the branch pipe body through threaded connection, when excessive impurities are accumulated in the filter screen, the sealing plug can be detached by screwing the sealing plug, and at the moment, the impurity particles in the filter screen fall out under the action of gravity, so that the cleaning of the impurity particles is facilitated, and the practical performance is further improved.

Drawings

FIG. 1 is a schematic cross-sectional view of the present utility model;

FIG. 2 is a schematic view of a portion of a main body module structure according to the present utility model;

FIG. 3 is a schematic rear view of a portion of a body module structure of the present utility model;

FIG. 4 is a schematic cross-sectional view of a portion of a body module according to the present utility model;

FIG. 5 is a schematic view of a turntable according to the present utility model

Fig. 6 is a right-side view of the turntable according to the present utility model.

Reference numerals:

100. A main body module; 110. a turbocharger body; 120. an air intake duct; 130. a housing; 140. a turntable; 141. an air flow passage; 150. a main pipe body; 160. a motor; 170. an exhaust gas duct; 180. a branch pipe body; 181. a sealing plug; 190. and (5) a filter screen.

Detailed Description

The objects, technical solutions and advantages of the present utility model will become more apparent by the following detailed description of the present utility model with reference to the accompanying drawings. It should be noted that, without conflict, the embodiments of the present utility model and features in the embodiments may be combined with each other.

Some embodiments of the utility model are described below with reference to the accompanying drawings,

Example 1:

As shown in connection with fig. 1-6, the present embodiment provides a variable cross-section turbocharger comprising: a body module 100.

The main body module 100 comprises a turbocharger main body 110, an air inlet pipeline 120 arranged on the turbocharger main body, a shell 130 fixed on one side of the air inlet pipeline 120, a rotary table 140 rotatably arranged in the inner cavity of the shell 130, a main pipe body 150 fixed on one side of the shell 130 and communicated with the shell 130, a motor 160 arranged on the main pipe body 150 and fixedly connected with the rotary table 140, an exhaust pipeline 170 arranged on one side of the main pipe body 150 and extending into the inner cavity of the main pipe body 150, a branch pipe body 180 integrally fixed on the main pipe body 150 and communicated with the main pipe body 150, and a filter screen 190 arranged in the inner cavity of the branch pipe body 180 and with one end communicated with the exhaust pipeline 170 and the other end fixed at the bottom end of the branch pipe body 180.

The turbocharger body 110 is connected to the engine, and uses the inertial momentum of exhaust gas from the engine to drive a turbine in the turbine chamber, which in turn drives a coaxial impeller that pumps air from the air cleaner conduit into the cylinder.

The intake duct 120 is used to introduce exhaust gas into the inner cavity of the turbocharger body 110, push the turbine to rotate,

The shell 130 is circular, is used for installing the carousel 140, the stability when keeping carousel 140 rotation, carousel 140 rotates and sets up at the shell 130 inner chamber, it has a plurality of air flow channels 141 to be annular array to open on carousel 140, and the cross-section of air flow channel 141 reduces gradually according to clockwise, the diameter of every air flow channel 141 reduces gradually, change the air flow channel 141 of different cross-sections through carousel 140 rotation, along with the reduction of air flow channel 141 cross-section, the pressure will increase when the waste gas gets into the intake pipe, the turbine rotation will be blown to the high-speed by the waste gas of pressurization, realize the change of waste gas pressure, and then the hysteresis of turbo charger has been avoided and the emergence of circumstances such as pressure boost effect is unobvious when low rotational speed.

Further, the flow paths 141 are provided in four.

The main pipe body 150 and the air inlet pipeline 120 are positioned on the same horizontal line, so that waste gas can conveniently enter the air inlet pipeline 120 through the air flow passage 141 on the rotary table 140, the waste gas pipeline 170 is unidirectionally arranged, one end of the waste gas pipeline 170 is positioned outside the main pipe body 150, and the other end of the waste gas pipeline extends into the inner cavity of the main pipe body 150 and is used for guiding the waste gas into the filter screen 190.

The shaft of the motor 160 extends into the inner cavity of the housing 130 and is fixedly connected with the turntable 140, so as to drive the turntable 140 to rotate, and each time the turntable 140 is driven to rotate 90 degrees clockwise.

The top end of the filter screen 190 is communicated with the exhaust gas pipeline 170, and the bottom end is fixed on the inner bottom wall of the branch pipe body 180, so as to filter the exhaust gas sent by the exhaust gas pipeline 170, filter out impurity particles contained in the exhaust gas, and avoid the impurity particles from entering the inner cavity of the turbocharger main body 110 through the air inlet pipeline 120, thereby damaging the turbocharger main body 110.

The branch pipe body 180 is used for installing the filter screen 190, and open the bottom at the branch pipe body 180 has the through-hole, and the through-hole communicates with the inner chamber of filter screen 190, installs the sealing plug 181 through threaded connection in the through-hole, and when impurity particle pile up too much in the filter screen 190, accessible twist the sealing plug 181 and open the through-hole, make impurity particle in the filter screen 190 just can fall out under the effect of gravity, made things convenient for impurity particle's clearance.

The working principle and the using flow of the utility model are as follows: when the device is used, when waste gas is fed in through the waste gas pipeline 170, the waste gas can be filtered through the filter screen 190, impurities contained in the waste gas are filtered out, the filtered waste gas enters the branch pipe body 180 and the main pipe body 150, at the moment, the motor 160 is started to drive the rotary table 140 to rotate, the rotary table 140 rotates to replace the air flow channels 141 with different cross sections, after replacement, the air flow channels 141 are reduced in cross section, the pressure of the waste gas can be increased when the waste gas enters the air inlet pipe, the pressurized waste gas can blow the turbine to rotate at a high speed, the change of the pressure of the waste gas is realized, when the impurities in the filter screen 190 are accumulated excessively, the sealing plug 181 is screwed, the sealing plug 181 is detached from the branch pipe body 180, at the moment, impurity particles in the filter screen 190 can fall out under the action of self gravity, the cleaning of the impurity particles is completed, and then the sealing plug 181 is screwed back onto the branch pipe body 180.

Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the spirit and scope of the utility model as defined by the appended claims and their equivalents.

Claims (5)

1. A variable cross-section turbocharger comprising: the main body module (100) is characterized in that the main body module (100) comprises a turbocharger main body (110), an air inlet pipeline (120) arranged on the turbocharger main body, a shell (130) fixed on one side of the air inlet pipeline (120), a rotary table (140) rotatably arranged in an inner cavity of the shell (130), a main pipe body (150) fixed on one side of the shell (130) and communicated with the shell (130), a motor (160) arranged on the main pipe body (150) and fixedly connected with the rotary table (140) through a shaft, an exhaust pipeline (170) arranged on one side of the main pipe body (150) and extending into the inner cavity of the main pipe body (150), a branch pipe body (180) integrally fixed on the main pipe body (150) and communicated with the main pipe body (150) and a filter screen (190) arranged in the inner cavity of the branch pipe body (180) and with one end communicated with the other end of the exhaust pipeline (170) fixed at the bottom end of the branch pipe body (180);

A plurality of air flow channels (141) are formed in the rotary table (140) in an annular array, and the cross sections of the air flow channels (141) are gradually reduced in a clockwise direction.

2. A variable cross-section turbocharger according to claim 1, characterized in that the inlet conduit (120) is on the same level as the main tubular body (150).

3. A variable cross-section turbocharger according to claim 1, characterized in that the bottom end of the branch pipe body (180) is provided with a through hole, the through hole is communicated with the inner cavity of the filter screen (190), and a sealing plug (181) is arranged in the through hole through threaded connection.

4. A variable area turbocharger according to claim 1, characterized in that the exhaust gas conduit (170) is provided unidirectionally.

5. A variable cross-section turbocharger according to claim 1, wherein the flow passages (141) are provided in four.