CN204961072U - Pressure differential regulation type air -operated controller mechanism - Google Patents

Abstract

The utility model provides a pressure differential regulation type air -operated controller mechanism who belongs to machine design technical field, including the blow -off pipe, the rotation axis, the rotor plate, adjust the pole, the control chamber, a spring, the moving body, the first control pipe, first moving body, the second moving body, the longitudinal section of third moving body all has the slope structure and mutually supports, the one end of first control pipe pass behind the lower wall in control chamber with the second moving body, cavity between the third moving body is linked together, the other end and the engine of first control pipe, intake pipe between the compressor be linked together the one end of second control valve pass behind the last wall in control chamber with first moving body above the cavity be linked together, the other end and the turbine of second control valve, blast pipe between the muffler is linked together. The utility model discloses in, when the engine load was great, the turbine discharge quantity was great, when the engine load was less, the turbine discharge quantity was less. The utility model relates to a rationally, simple structure is applicable to turbine of engine turbocharging system's design.

Description

Pressure reduction adjustment type pneumatic control mechanism

Technical field

The utility model belongs to internal combustion (IC) Engine Design technical field, specifically, is a kind of pressure reduction adjustment type pneumatic control mechanism that can realize turbine venting self-control.

Background technique

Turbosupercharging is a kind of technology utilizing internal-combustion engine to operate the exhaust gas driven air compressor produced.Turbo charged Main Function improves air input of engine by air exactly, thus improves power and the moment of torsion of motor, allows car energeticallyer.After turbosupercharger loaded onto by a motor, its peak output can increase by 40% even higher compared with when being unkitted pressurized machine.So also just mean that the motor of same can export larger power after supercharging.With regard to by our modal 1.8T turbosupercharged engine, after supercharging, power can reach the level of 2.4L motor, but fuel consumption is but high unlike 1.8L motor how many, is exactly improve fuel economy and reduce exhaust emissions in another one aspect.But after have passed through supercharging, motor pressure and temperature operationally raises all greatly, therefore engine life can be shorter than the motor of same discharge capacity not through supercharging, and mechanical property, greasy property all can be affected, so also limit turbocharging technology application on the engine to a certain extent.The burning being intended for motor provides enough air, and make power character and the better economy of motor, turbocharging technology plays very important role.But existing turbo charge system all can not take into account the high and low rotating speed operating mode of motor preferably.

Through finding the retrieval of prior art document, China Patent No. ZL200410050996.3, patent name: the variable modular pulse converter supercharging device of a kind of turbo-charged diesel, this patented technology provides the device of the shared volume continuous variable of exhaust in a kind of outlet pipe, can take into account the high and low rotating speed operating mode of motor preferably; But the change of exhaust institute volume is realized by moving up and down of movement rod in its outlet pipe, this increases a set of special control mechanism to control the movement of movement rod with regard to needing, thus the more complicated that boosting system arrangement is become.

Summary of the invention

The utility model, for above-mentioned deficiency, provides a kind of pressure reduction adjustment type pneumatic control mechanism, can realize the self-control of turbine venting, better can take into account the high running on the lower load of motor.

The utility model is achieved through the following technical solutions, and the utility model comprises suction tude, air filter, gas compressor, motor, outlet pipe, turbine, baffler, exhaust tube, running shaft, swivel plate, adjustable lever, control chamber, first spring, first moving body, second moving body, 3rd moving body, second spring, 3rd spring, first control valve, second control valve, the suction port of motor is connected with the air outlet of suction tude, and the air inlet/outlet of outlet pipe is connected with the air outlet of motor, air filter, gas compressor is connected in turn in suction tude, turbine, baffler is connected in turn on outlet pipe, the two ends of exhaust tube are connected with the outlet pipe before and after turbine respectively, and running shaft is embedded on exhaust tube, and swivel plate is arranged in exhaust tube and one end and running shaft are consolidated, exhaust tube internal cavity cross section is rectangular, the first moving body, second moving body, 3rd moving body is arranged in control chamber, the second moving body, 3rd moving body is arranged in the below of the first moving body, the bottom of the first moving body with ramp structure, the second moving body, the top of the 3rd moving body with ramp structure, the first moving body, second moving body, the ramp structure sealing of the 3rd moving body contacts and cooperatively interacts, one end of adjustable lever and the other end of swivel plate hinged, the other end of adjustable lever is through hinged with the lower wall surface of the first moving body after the lower wall surface of control chamber, the upper wall surface of the first moving body is linked together by the upper wall surface of the first spring and control chamber, the right wall of the second moving body is linked together by the right wall of the second spring and control chamber, the left wall of the 3rd moving body is linked together by the left wall of the 3rd spring and control chamber, one end of the first control valve through after the lower wall surface of control chamber with the second moving body, cavity between 3rd moving body is connected, the other end of the first control valve and motor, suction tude between gas compressor is connected, and one end of the second control valve is connected with cavity above the first moving body through after the upper wall surface of control chamber, the other end of the second control valve and turbine, outlet pipe between baffler is connected, the internal cavity cross section of control chamber is rectangular, and the cross section of the first moving body, the second moving body, the 3rd moving body is rectangular.

The beneficial effects of the utility model are: the utility model is reasonable in design, and structure is simple; In high load operating mode, turbine discharge quantity is comparatively large, and motor pumping loss is less; At running on the lower load, turbine discharge quantity is less, and air input of engine by air is comparatively large, and oil consumption is lower.

Accompanying drawing explanation

Fig. 1 is structural representation of the present utility model;

Fig. 2 is the partial enlarged drawing of Fig. 1;

Fig. 3 is the structural representation of A-A section in Fig. 1;

Fig. 4 is the structural representation of B-B section in Fig. 1;

Fig. 5 is the structural representation of C-C section in Fig. 1;

Label in accompanying drawing is respectively: 1, suction tude, and 2, air filter, 3, gas compressor, 4, motor, 5, outlet pipe, 6, turbine, 7, baffler, 8, exhaust tube, 9, running shaft, 10, swivel plate, 11, adjustable lever, 12, control chamber, the 13, first spring, the 14, first moving body, 15, the second moving body, the 16, the 3rd moving body, the 17, second spring, 18, the 3rd spring, the 19, first control valve, the 20, second control valve.

Embodiment

Elaborate to embodiment of the present utility model below in conjunction with accompanying drawing, the present embodiment, premised on technical solutions of the utility model, give detailed mode of execution and concrete operating process, but protection domain of the present utility model is not limited to following embodiment.

embodiment

As shown in Figures 1 to 5, the utility model comprises suction tude 1 to embodiment of the present utility model, air filter 2, gas compressor 3, motor 4, outlet pipe 5, turbine 6, baffler 7, exhaust tube 8, running shaft 9, swivel plate 10, adjustable lever 11, control chamber 12, first spring 13, first moving body 14, second moving body 15, 3rd moving body 16, second spring 17, 3rd spring 18, first control valve 19, the suction port of motor 4 is connected with the air outlet of suction tude 1, and the air inlet/outlet of outlet pipe 5 is connected with the air outlet of motor 4, air filter 2, gas compressor 3 is connected in turn in suction tude 1, turbine 6, baffler 7 is connected in turn on outlet pipe 5, the two ends of exhaust tube 8 are connected with the outlet pipe 5 before and after turbine 6 respectively, running shaft 9 is embedded on exhaust tube 8, swivel plate 10 is arranged in exhaust tube 8 and one end and running shaft 9 are consolidated, exhaust tube 8 internal cavity cross section is rectangular, the first moving body 14, second moving body 15, 3rd moving body 16 is arranged in control chamber 12, the second moving body 15, 3rd moving body 16 is arranged in the below of the first moving body 14, the bottom of the first moving body 14 with ramp structure, the second moving body 15, the top of the 3rd moving body 16 with ramp structure, the first moving body 14, second moving body 15, the ramp structure sealing of the 3rd moving body 16 contacts and cooperatively interacts, one end of adjustable lever 11 and the other end of swivel plate 10 hinged, the other end of adjustable lever 11 is through hinged with the lower wall surface of the first moving body 14 after the lower wall surface of control chamber 12, the upper wall surface of the first moving body 14 is linked together with the upper wall surface of control chamber 12 by the first spring 13, the right wall of the second moving body 15 is linked together with the right wall of control chamber 12 by the second spring 17, the left wall of the 3rd moving body 16 is linked together with the left wall of control chamber 12 by the 3rd spring 18, one end of the first control valve 19 through after the lower wall surface of control chamber 12 with the second moving body 15, cavity between 3rd moving body 16 is connected, the other end of the first control valve 19 and motor 4, suction tude 1 between gas compressor 3 is connected, and one end of the second control valve 20 is connected with cavity above the first moving body 14 through after the upper wall surface of control chamber 12, the other end of the second control valve 20 and turbine 6, outlet pipe 5 between baffler 7 is connected, the internal cavity cross section of control chamber 12 is rectangular, and the cross section of the first moving body 14, second moving body 15, the 3rd moving body 16 is rectangular.

In implementation process of the present utility model, the second moving body 15, the 3rd moving body 16 can move left and right in control chamber 12, and the first moving body 13 can move up and down in control chamber 12.When motor 4 load is larger, suction tude 1 between motor 4, gas compressor 3, and the pressure reduction between the outlet pipe 5 between turbine 6, baffler 7 is larger, second moving body 15 moves right and compresses the second spring 17,3rd moving body 16 is moved to the left and compresses the 3rd spring 18, first moving body 14 and moves up and compress the first spring 13, thus makes adjustable lever 19 pull swivel plate 11 to be rotated counterclockwise, the throat area of exhaust tube 8 becomes large, and turbine 6 discharge quantity is larger; When motor 4 load is less, suction tude 1 between motor 4, gas compressor 3, and the pressure reduction between the outlet pipe 5 between turbine 6, baffler 7 is less, under the elastic reaction of the first spring 13, second spring 17, the 3rd spring 18, the second moving body 15 is moved to the left, and the 3rd moving body 16 moves right, first moving body 13 moves down, thus making adjustable lever 19 pull swivel plate 11 to turn clockwise, the throat area of exhaust tube 8 diminishes, and turbine 6 discharge quantity is less.

Claims (2)

1. a pressure reduction adjustment type pneumatic control mechanism, comprise suction tude (1), air filter (2), gas compressor (3), motor (4), outlet pipe (5), turbine (6), baffler (7), the suction port of motor (4) is connected with the air outlet of suction tude (1), the air inlet/outlet of outlet pipe (5) is connected with the air outlet of motor (4), air filter (2), gas compressor (3) is connected in turn in suction tude (1), turbine (6), baffler (7) is connected in turn on outlet pipe (5), it is characterized in that, also comprise exhaust tube (8), running shaft (9), swivel plate (10), adjustable lever (11), control chamber (12), first spring (13), first moving body (14), second moving body (15), 3rd moving body (16), second spring (17), 3rd spring (18), first control valve (19), second control valve (20), the two ends of exhaust tube (8) are connected with the outlet pipe (5) before and after turbine (6) respectively, running shaft (9) is embedded on exhaust tube (8), swivel plate (10) is arranged in exhaust tube (8) and one end and running shaft (9) are consolidated, exhaust tube (8) internal cavity cross section is rectangular, first moving body (14), second moving body (15), 3rd moving body (16) is arranged in control chamber (12), second moving body (15), 3rd moving body (16) is arranged in the below of the first moving body (14), the bottom of the first moving body (14) is with ramp structure, second moving body (15), the top of the 3rd moving body (16) is with ramp structure, first moving body (14), second moving body (15), the ramp structure sealing of the 3rd moving body (16) contacts and cooperatively interacts, one end of adjustable lever (11) and the other end of swivel plate (10) hinged, the other end of adjustable lever (11) is through hinged with the lower wall surface of the first moving body (14) after the lower wall surface of control chamber (12), the upper wall surface of the first moving body (14) is linked together by the upper wall surface of the first spring (13) with control chamber (12), the right wall of the second moving body (15) is linked together by the right wall of the second spring (17) with control chamber (12), the left wall of the 3rd moving body (16) is linked together by the left wall of the 3rd spring (18) with control chamber (12), one end of first control valve (19) through after the lower wall surface of control chamber (12) with the second moving body (15), cavity between 3rd moving body (16) is connected, the other end of the first control valve (19) and motor (4), suction tude (1) between gas compressor (3) is connected, one end of second control valve (20) is connected with the first moving body (14) top cavity through after the upper wall surface of control chamber (12), the other end of the second control valve (20) and turbine (6), outlet pipe (5) between baffler (7) is connected.

2. pressure reduction adjustment type pneumatic control mechanism according to claim 1, it is characterized in that the internal cavity cross section of control chamber (12) is rectangular, the cross section of the first moving body (14), the second moving body (15), the 3rd moving body (16) is rectangular.