CN202659354U - Mechanical regulating mechanism using movable component - Google Patents
Mechanical regulating mechanism using movable component Download PDFInfo
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- CN202659354U CN202659354U CN 201220196172 CN201220196172U CN202659354U CN 202659354 U CN202659354 U CN 202659354U CN 201220196172 CN201220196172 CN 201220196172 CN 201220196172 U CN201220196172 U CN 201220196172U CN 202659354 U CN202659354 U CN 202659354U
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- moving body
- elastic member
- engine
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Abstract
The utility model relates to a mechanical regulating mechanism using a movable component and belongs to the technical field of internal combustion engines. The mechanical regulating mechanism comprises an air inlet pipe, an engine, an exhaust pipe, connecting pipes, volume cavities, movable bodies and elastic components, wherein the cross sections of the volume cavities are rectangular; and the movable bodies are arranged in the volume cavities, are in hermetic contact with the inner wall surfaces of the volume cavities and are connected with the wall surfaces of the volume cavities by the elastic components. According to the mechanical regulating mechanism, when the engine is in the high-speed working condition, distance between the two movable bodies is increased, the exhaust recycling rate is large, exhaust temperature is low, and the integral performance of the engine is high; and when the engine is in the low-speed working condition, distance between the two movable bodies is reduced, the exhaust recycling rate is small, the air inflow is high, and the integral performance of the engine is high. The mechanical regulating mechanism is reasonable in design and simple in structure, and is suitable for an exhaust recycling system of the engine.
Description
Technical field
The utility model relates to a kind of exhaust gas recycling system of field of internal combustion engine, particularly a kind of mechanical type controlling mechanism that adopts moving member.
Background technique
The noxious emission of motor is a main source that causes pollution of atmosphere, along with the significance of environmental protection problem increases increasingly, reduces the important directions that this target of Engine's Harmful Emission becomes development of engine in the world today.Along with the consumption of world oil goods rises year by year, international oil price is high, and the Economy of diesel-oil vehicle is outstanding day by day, this so that diesel engine in power train in vehicle application in occupation of consequence more and more.So carry out the research of Harmful Emissions of Diesel Engine controlling method, it is the person's that is engaged in the Design Technology for Diesels top priority.Exhaust gas recycling system is to send the sub-fraction of the waste gas of diesel engine generation back to cylinder again.Exhaust gas recirculation since have inertia will the retarded combustion process, thereby that is to say that velocity of combustion will slow down the pressure initiation process that causes in the firing chamber and slow down, main cause that oxynitrides can reduce that Here it is.In addition, improve ER EGR Rate total extraction flow is reduced, so total pollutant output quantity will reduce relatively in the toxic emission.
Find through the retrieval to the prior art document, China Patent No. ZL200410063439.5, patent name: electronic EGR gas control system, this patented technology provides a kind of device of control engine exhaust gas recirculation rate, can take into account preferably the high and low rotating speed operating mode of motor; But its exhaust gas recirculation rate variation be to realize by special control structure, thereby the more complicated that control system is become.
Summary of the invention
The utility model is for above-mentioned the deficiencies in the prior art, a kind of mechanical type controlling mechanism that adopts moving member is provided, has made its exhaust gas recirculation rate can self-control, taken into account preferably the high and low rotating speed operating mode of motor, and simple in structure, do not need special control mechanism.
The utility model is achieved through the following technical solutions, the utility model comprises: suction tude, motor, outlet pipe, the first connecting tube, the second connecting tube, cavity volume, the cavity volume upper wall surface, the cavity volume lower wall surface, the left wall of cavity volume, the right wall of cavity volume, the cavity volume front face, the cavity volume rear surface, the first elastic member, the second elastic member, the first moving body and the second moving body, the air outlet of suction tude is connected with the suction port of motor, the air outlet of motor is connected with the suction port of outlet pipe, the cavity volume upper wall surface, the cavity volume lower wall surface, the left wall of cavity volume, the right wall of cavity volume, the cavity volume front face, the cavity volume rear surface fixes as one, the first connecting tube is installed between suction tude and the left wall of cavity volume, the second connecting tube is installed between outlet pipe and the right wall of cavity volume, the cross section of cavity volume is rectangular, the first moving body and the second moving body are installed in the cavity volume, the first moving body all contacts with the internal face sealing of cavity volume with the second moving body, the first moving body is connected with the cavity volume upper wall surface by the first elastic member, and the second moving body is connected with the cavity volume lower wall surface by the second elastic member.
The first elastic member and the second elastic member are spring.
In working procedure of the present utility model, the first moving body and the second moving body all can move up and down in cavity volume.When motor is in high-speed working condition, exhaust pressure is higher in the outlet pipe, the first moving body is upwards mobile in cavity volume, the second moving body moves down in cavity volume, the first elastic member and the second elastic member are all compressed, exhaust gas recirculation rate increases, and row's temperature drop is low, and the overall performance of motor is more excellent; When motor is in the low speed operating mode, exhaust pressure is lower in the outlet pipe, the first moving body moves down in cavity volume under the elastic reaction of the first elastic member, the second moving body is upwards mobile in cavity volume under the elastic reaction of the second elastic member, exhaust gas recirculation rate reduces, the air inflow of motor increases, and the overall performance of motor is more excellent.
Compared with prior art, the utlity model has following beneficial effect: the utility model is reasonable in design, simple in structure, be applicable to the exhaust gas recycling system of motor, can take into account the high and low rotating speed operating mode of motor, can make again exhaust gas recycling system not need special exhaust gas recirculation rate control mechanism.
Description of drawings
Fig. 1 is the structural representation that the utility model adopts the mechanical type controlling mechanism of moving member;
Fig. 2 is the structural representation of A-A section among Fig. 1;
Wherein: 1, suction tude, 2, motor, 3, outlet pipe, 4, the first connecting tube, the 5, second connecting tube, 6, cavity volume, 7, cavity volume upper wall surface, 8, the cavity volume lower wall surface, 9, the left wall of cavity volume, 10, the right wall of cavity volume, 11, the cavity volume front face, 12, the cavity volume rear surface, 13, the first elastic member, 14, the second elastic member, the 15, first moving body, the 16, second moving body.
Embodiment
Below in conjunction with accompanying drawing embodiment of the present utility model is elaborated, present embodiment provided detailed mode of execution and concrete operating process, but protection domain of the present utility model is not limited to following embodiment take technical solutions of the utility model as prerequisite.
Embodiment
As depicted in figs. 1 and 2, the utility model comprises: suction tude 1, motor 2, outlet pipe 3, the first connecting tube 4, the second connecting tube 5, cavity volume 6, cavity volume upper wall surface 7, cavity volume lower wall surface 8, the left wall 9 of cavity volume, the right wall 10 of cavity volume, cavity volume front face 11, cavity volume rear surface 12, the first elastic member 13, the second elastic member 14, the first moving body 15 and the second moving body 16, the air outlet of suction tude 1 is connected with the suction port of motor 2, the air outlet of motor 2 is connected with the suction port of outlet pipe 3, cavity volume upper wall surface 7, cavity volume lower wall surface 8, the left wall 9 of cavity volume, the right wall 10 of cavity volume, cavity volume front face 11, cavity volume rear surface 12 fixes as one, the first connecting tube 4 is installed between suction tude 1 and the left wall 9 of cavity volume, the second connecting tube 5 is installed between outlet pipe 3 and the right wall 10 of cavity volume, the cross section of cavity volume 6 is rectangular, the first moving body 15 and the second moving body 16 are installed in the cavity volume 6, the first moving body 15 all contacts with the internal face sealing of cavity volume 6 with the second moving body 16, the first moving body 15 is connected with cavity volume upper wall surface 7 by the first elastic member 13, the second moving body 16 is connected with cavity volume lower wall surface 8 by the second elastic member 14, and the first elastic member 13 and the second elastic member 14 are spring.
In working procedure of the present utility model, the first moving body 15 and the second moving body 16 all can move up and down in cavity volume 6.When motor 2 is in high-speed working condition, outlet pipe 3 interior exhaust pressure are higher, the first moving body 15 is upwards mobile in cavity volume 6, the second moving body 16 moves down in cavity volume 6, the first elastic member 13 and the second elastic member 14 are all compressed, exhaust gas recirculation rate increases, and row's temperature drop is low, and the overall performance of motor 2 is more excellent; When motor 2 is in the low speed operating mode, outlet pipe 3 interior exhaust pressure are lower, move down in cavity volume 6 at the first moving body 15 under the elastic reaction of the first elastic member 13, the second moving body 16 6 moves up in cavity volume under the elastic reaction of the second elastic member 14, exhaust gas recirculation rate reduces, the air inflow of motor 2 increases, and the overall performance of motor 2 is more excellent.Therefore, the utility model can be taken into account the high and low rotating speed operating mode of motor preferably.
Claims (2)
1. mechanical type controlling mechanism that adopts moving member, comprise suction tude (1), motor (2) and outlet pipe (3), the air outlet of suction tude (1) is connected with the suction port of motor (2), the air outlet of motor (2) is connected with the suction port of outlet pipe (3), characterized by further comprising the first connecting tube (4), the second connecting tube (5), cavity volume (6), cavity volume upper wall surface (7), cavity volume lower wall surface (8), the left wall of cavity volume (9), the right wall of cavity volume (10), cavity volume front face (11), cavity volume rear surface (12), the first elastic member (13), the second elastic member (14), the first moving body (15) and the second moving body (16), cavity volume upper wall surface (7), cavity volume lower wall surface (8), the left wall of cavity volume (9), the right wall of cavity volume (10), cavity volume front face (11), cavity volume rear surface (12) fixes as one, the first connecting tube (4) is installed between suction tude (1) and the left wall of cavity volume (9), the second connecting tube (5) is installed between outlet pipe (3) and the right wall of cavity volume (10), the cross section of cavity volume (6) is rectangular, the first moving body (15) and the second moving body (16) are installed in the cavity volume (6), the first moving body (15) all contacts with the internal face sealing of cavity volume (6) with the second moving body (16), the first moving body (15) is connected with cavity volume upper wall surface (7) by the first elastic member (13), and the second moving body (16) is connected with cavity volume lower wall surface (8) by the second elastic member (14).
2. the mechanical type controlling mechanism of employing moving member according to claim 1 is characterized in that described the first elastic member (13) and described the second elastic member (14) are spring.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN 201220196172 CN202659354U (en) | 2012-05-03 | 2012-05-03 | Mechanical regulating mechanism using movable component |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN 201220196172 CN202659354U (en) | 2012-05-03 | 2012-05-03 | Mechanical regulating mechanism using movable component |
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CN202659354U true CN202659354U (en) | 2013-01-09 |
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CN 201220196172 Expired - Fee Related CN202659354U (en) | 2012-05-03 | 2012-05-03 | Mechanical regulating mechanism using movable component |
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN103541824A (en) * | 2013-09-24 | 2014-01-29 | 上海交通大学 | Pressure unbalanced type valve body lifting adjusting mechanism |
-
2012
- 2012-05-03 CN CN 201220196172 patent/CN202659354U/en not_active Expired - Fee Related
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN103541824A (en) * | 2013-09-24 | 2014-01-29 | 上海交通大学 | Pressure unbalanced type valve body lifting adjusting mechanism |
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Legal Events
Date | Code | Title | Description |
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C14 | Grant of patent or utility model | ||
GR01 | Patent grant | ||
C17 | Cessation of patent right | ||
CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130109 Termination date: 20130503 |