CN201273221Y - Wire-control electronic air throttle used for diesel engine - Google Patents
Wire-control electronic air throttle used for diesel engine Download PDFInfo
- Publication number
- CN201273221Y CN201273221Y CNU2008200416977U CN200820041697U CN201273221Y CN 201273221 Y CN201273221 Y CN 201273221Y CN U2008200416977 U CNU2008200416977 U CN U2008200416977U CN 200820041697 U CN200820041697 U CN 200820041697U CN 201273221 Y CN201273221 Y CN 201273221Y
- Authority
- CN
- China
- Prior art keywords
- main shaft
- solar term
- term door
- throttle
- gear
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Lifetime
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- Control Of Throttle Valves Provided In The Intake System Or In The Exhaust System (AREA)
Abstract
The utility model relates to a line-controlled electronic throttle for a diesel engine, wherein a throttle cover is arranged on a throttle shell, a motor and a control circuit board thereof are arranged on the throttle cover, a driving gear is arranged on the bottom end of the output shaft of the motor, a valve plate is rotated in the cavity of the throttle, a lower mounting depressed area is arranged on the throttle casing corresponding to the bottom end of a main shaft, a lower bearing is arranged in the lower mounting depressed area, the bottom end of the main shaft is connected on the mounting hole of the lower bearing in a rotation way, and a bearing cover is arranged in the lower mounting depressed area, an upper mounting depressed area is arranged on the throttle shell on the top end of the main shaft, a reset torsion spring is sleeved on a main shaft in the upper mounting depressed area, and a driven gear is arranged on the top end portion of the main shaft, an upper bearing is arranged in the throttle shell on the bottom surface of the upper mounting depressed area, and the main shaft on the upper end of the valve plate is inserted in the mounting hole of the upper bearing. The line-controlled electronic throttle of the utility model has the advantages of short response time, stable work, accurate control, compact structure and convenient installation, which can be directly installed on a gas pipeline without affecting the whole arrangement of the diesel engine.
Description
Technical field
The utility model relates to a kind of throttle valve device, especially a kind of line control electronic air control shutter for diesel.
Background technique
Be exhaust gas recirculation (being called for short EGR) the working procedure performance of improving diesel engine, need accurately to adjust the intake process of diesel engine, control reasonably empty so than, to realize good comprehensive performances, and satisfy emission request, need a controllable closure to adjust air inflow according to the operating conditions of diesel engine.
Summary of the invention
The purpose of this utility model is to overcome the deficiencies in the prior art, provide a kind of working stability, control accurately, can directly install with admission line on, compact structure, easy for installation, do not need line control electronic air control shutter for diesel that the diesel engine integral arrangement is exerted an influence.
The technological scheme that provides according to the utility model, described line control electronic air control shutter for diesel, be included in the solar term door closure that is provided with on the solar term door shell, closure covers and is provided with motor and control circuit board thereof, the output shaft of motor stretches out downwards and is provided with driving gear in the bottom of output shaft, the valve block that in the closure chamber of solar term door shell, is rotationally connected, described valve block is fixedly connected on the stage casing of main shaft, the solar term door shell of main shaft bottom correspondence is provided with the following installation depression that Open Side Down, in installation depression down, be provided with lower bearing, described main shaft bottom is rotatably connected in the mounting hole of lower bearing, be provided with bearing cap in the following installation depression, on being provided with on the solar term door shell of main shaft top correspondence that opening makes progress, depression is installed, on the last main shaft of installing in the depression, be socketed with reduction torsion spring, be provided with the driven gear that cooperates with driving gear and driving gear is slowed down in the main shaft tip portion, described reduction torsion spring top is fixed on driven gear or the main shaft, the reduction torsion spring bottom is fixed on the solar term door shell that depression bottom surface correspondence is installed, be provided with upper bearing (metal) in the solar term door shell of last installation depression bottom surface, the main shaft in the valve block upper end inserts in the mounting hole of upper bearing (metal).
On the output shaft of motor and the solar term door shell between the main shaft, be rotatably connected to transition axis, be fixed with transition gear and following transition gear on the transition axis, described down transition gear and driving gear engagement and with the rotating speed deceleration of driving gear, last transition gear and driven gear engagement, the rotating speed that driven gear will be gone up transition gear slows down.
Closure response time of the present utility model is short, working stability, control accurately, can directly install with admission line on, compact structure, easy for installation, do not need the diesel engine integral arrangement is exerted an influence.
Description of drawings
Fig. 1 is an overall structure schematic representation of the present utility model.
Embodiment
The utility model is described in further detail below in conjunction with concrete drawings and Examples.
As shown in the figure: line control electronic air control shutter for diesel of the present utility model mainly is made of motor 1, solar term door closure 2, solar term door shell 3, control circuit board 4, following transition gear 5, driven gear 6, reduction torsion spring 7, main shaft 8, upper bearing (metal) 9, valve block 10, lower bearing 11, bearing cap 12, closure chamber 13, installation depression down 14, upward installation depression 15, driving gear 16, transition axis 17 and last transition gear 18 etc.
The solar term door closure 2 that the utility model is provided with on solar term door shell 3, solar term door closure 2 is provided with motor 1 and control circuit board 4 thereof, the output shaft of motor 1 stretches out downwards and is provided with driving gear 16 in the bottom of output shaft, the valve block 10 that in the closure chamber 13 of solar term door shell 3, is rotationally connected, described valve block 10 is fixedly connected on the stage casing of main shaft 8, the solar term door shell 3 of main shaft 8 bottom correspondences is provided with the following installation depression 14 that Open Side Down, in installation depression down 14, be provided with lower bearing 11, described main shaft 8 bottoms are rotatably connected in the mounting hole of lower bearing 11, be provided with bearing cap 12 in the following installation depression 14, on being provided with on the solar term door shell 3 of main shaft 8 top correspondences that opening makes progress, depression 15 is installed, on the last main shaft of installing in the depression 15 8, be socketed with reduction torsion spring 7, be provided with the driven gear 6 that cooperates with driving gear 16 and driving gear 16 is slowed down in main shaft 8 tip portion, described reduction torsion spring 7 tops are fixed on driven gear 6 or the main shaft 8, reduction torsion spring 7 bottoms are fixed on the solar term door shell 3 that depression 15 bottom surface correspondences are installed, be provided with upper bearing (metal) 9 in the solar term door shell 3 of last installation depression 15 bottom surfaces, the main shaft 8 in valve block 10 upper ends inserts in the mounting hole of upper bearing (metal)s 9.
On the output shaft of motor 1 and the solar term door shell 3 between the main shaft 8, be rotatably connected to transition axis 17, be fixed with transition gear 18 and following transition gear 5 on the transition axis 17, described down transition gear 5 and driving gear 16 engagements are also slowed down the rotating speed of driving gear 16, last transition gear 18 and driven gear 6 engagements, the rotating speed that driven gear 6 will be gone up transition gear 18 slows down.
The utility model is made up of mechanical part throttle body and automatically controlled drive part, and during use, solar term door shell 3 is contained on the diesel engine intake pipe, and positions are to regulate air inlet in the valve block 10 that is rotationally connected in the closure chamber 13 of conciliation solar term door shell 3; Automatically controlled drive part is made up of electronic control circuit plate 4 and motor 1, motor 1 and closure valve block 10 pass through driving gear 16, down transition gear 5, go up transition gear 18 and drive with driven gear 6 and main shaft 8, can regulate throttle position.Electronic control circuit by with diesel engine on control ECU communication, obtain the needed closure opening angle of diesel engine work.Control circuit board 4 is adjusted valve block 10 then according to the real work position of the position probing valve block 10 of main shaft 8 upper magnets, realizes the closed loop control to throttle position; The driving gear 16 of motor 1 drives transition gear 5 and then driving transition axis 17 down, transition gear 18 on the rotating drive of transition axis 17, then by with driven gear 6 drive main spindle 8 of last transition gear 18 engagements, thereby drive valve block 10 rotations, adjust the aperture of closure.
For improving designed reliability and life-span, motor 1 has adopted dc brushless motor, can effectively reduce parts depreciation in diesel engine vibrations and the working procedure; Designed a kind of new separated type non-contacting position sensor and be used to detect the position of closure valve block,, can improve the reliability of a part because there are not the mutual wearing and tearing of contact member; In addition, the throttle valve structure design has also been simplified in the separated type design, and assembling is simple.
For satisfying the application need of diesel engine, reduction torsion spring 7 of suit on main shaft 8, reduction torsion spring 7 one ends are fixed on the solar term door shell 3 that depression 15 bottom surfaces are installed, one end is fixed on the main shaft 8, under free state, by the pretightening force of reduction torsion spring 7 closure valve block 10 is opened, promptly closure valve block 10 is not being worked or during the failure operation state, valve block 10 positions of closure are the full open state, can guarantee the safe and reliable operation of diesel engine.
Claims (2)
1, a kind of line control electronic air control shutter for diesel, be included in solar term door shell (3) and go up the solar term door closure (2) that is provided with, solar term door closure (2) is provided with motor (1) and control circuit board (4) thereof, the output shaft of motor (1) stretches out downwards and is provided with driving gear (16) in the bottom of output shaft, in the closure chamber (13) of solar term door shell (3), be rotatably connected to valve block (10), described valve block (10) is fixedly connected on the stage casing of main shaft (8), the solar term door shell (3) of main shaft (8) bottom correspondence is provided with the following installation depression (14) that Open Side Down, in being installed down, cave in (14) are provided with lower bearing (11), described main shaft (8) bottom is rotatably connected in the mounting hole of lower bearing (11), be provided with bearing cap (12) in the following installation depression (14), on the solar term door shell (3) of main shaft (8) top correspondence, be provided with the upward installation depression (15) that opening makes progress, it is characterized in that: on the last main shaft of installing in the depression (15) (8), be socketed with reduction torsion spring (7), be provided with the driven gear (6) that cooperates with driving gear (16) and driving gear (16) is slowed down in main shaft (8) tip portion, described reduction torsion spring (7) top is fixed on driven gear (6) or the main shaft (8), reduction torsion spring (7) bottom is fixed on the solar term door shell (3) that depression (15) bottom surface correspondence is installed, be provided with upper bearing (metal) (9) in the solar term door shell (3) of last installation depression (15) bottom surface, the main shaft (8) in valve block (10) upper end inserts in the mounting hole of upper bearing (metal) (9).
2, line control electronic air control shutter for diesel as claimed in claim 1, it is characterized in that: be rotatably connected to transition axis (17) on the solar term door shell (3) between the output shaft of described motor (1) and the main shaft (8), be fixed with transition gear (18) and following transition gear (5) on the transition axis (17), described transition gear (5) down and driving gear (16) engagement, last transition gear (18) and driven gear (6) engagement.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008200416977U CN201273221Y (en) | 2008-08-28 | 2008-08-28 | Wire-control electronic air throttle used for diesel engine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008200416977U CN201273221Y (en) | 2008-08-28 | 2008-08-28 | Wire-control electronic air throttle used for diesel engine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201273221Y true CN201273221Y (en) | 2009-07-15 |
Family
ID=40883569
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2008200416977U Expired - Lifetime CN201273221Y (en) | 2008-08-28 | 2008-08-28 | Wire-control electronic air throttle used for diesel engine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201273221Y (en) |
-
2008
- 2008-08-28 CN CNU2008200416977U patent/CN201273221Y/en not_active Expired - Lifetime
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| ASS | Succession or assignment of patent right |
Owner name: CHINESE AUTO GROUP CO NO.1 Free format text: FORMER OWNER: WUXI DIESEL ENGINE PLANT, CHINA NO.1 AUTOMOBILES GROUP CORP. Effective date: 20101119 |
|
| C41 | Transfer of patent application or patent right or utility model | ||
| COR | Change of bibliographic data |
Free format text: CORRECT: ADDRESS; FROM: 214026 NO. 9, TANGNAN BRANCH ROAD 1, NANCHANG DISTRICT, WUXI CITY, JIANGSU PROVINCE TO: 130011 NO. 2259, DONGFENG AVENUE, CHANGCHUN CITY, JILIN PROVINCE |
|
| TR01 | Transfer of patent right |
Effective date of registration: 20101119 Address after: 130011 Dongfeng Street, Jilin, Changchun, No. 2259 Patentee after: China FAW Group Corporation Address before: 214026, No. 9, South Branch Road, South District, Jiangsu, Wuxi Patentee before: China First Automobile Works Group Corporation Wuxi Diesel Engine Works |
|
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20090715 |