CN201190658Y - Oil control device for electric-controlled single-plunger type dispensing pump - Google Patents
Oil control device for electric-controlled single-plunger type dispensing pump Download PDFInfo
- Publication number
- CN201190658Y CN201190658Y CNU2008201021749U CN200820102174U CN201190658Y CN 201190658 Y CN201190658 Y CN 201190658Y CN U2008201021749 U CNU2008201021749 U CN U2008201021749U CN 200820102174 U CN200820102174 U CN 200820102174U CN 201190658 Y CN201190658 Y CN 201190658Y
- Authority
- CN
- China
- Prior art keywords
- flow control
- fuel
- pull bar
- elbow
- plunger type
- 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
Links
Images
Landscapes
- Fuel-Injection Apparatus (AREA)
Abstract
The utility model relates to an electrically controlled oil amount controlling device for a single-plunger type proportioning pump, which comprises an oil amount controlling sleeve arranged in the single-plunger type proportioning pump, the oil amount controlling sleeve unloads the oil supply through the axial movement thereof and adjusts the oil supply amount by controlling the movement route. The device is characterized in that a stepping motor for driving the oil amount controlling sleeve to move axially, a rocking arm, an elbow pull rod, an oil amount adjusting lever and a rocking plate are also comprised; the stepping motor is arranged on the pump body, the rocking plate is hinged with the pump body through a fixed pivot, the oil amount adjusting lever is hinged with a moveable pivot on a swing arm of the rocking plate, the rocking arm is connected with the main spindle of the stepping motor, the swing end of the rocking arm is provided with a round dowel pin with an annular groove, the elbow end of the elbow pull rod is sleeved in the annular groove of the round dowel pin, the rod end is rotationally connected with the driving end of the oil amount adjusting lever through a pair of spherical gasket, and the driven end of the oil amount adjusting lever is rotationally connected with the oil amount controlling sleeve. The utility model has the advantages of simple structure, easy and accurate control, stable operation and low cost.
Description
Technical field
The utility model relates to a kind of automatically controlled single-plunger type proportioning pump oil-flow control apparatus, particularly a kind ofly connects the control gear that leverage is controlled single-plunger type proportioning pump fuel delivery with stepper motor, and it belongs to diesel fuel system electron controls technology field.
Background technique
The single-plunger type proportioning pump that adopts mechanical governor to control oil mass can't satisfy the speed governing rate and the emission regulation demands of contemporary diesel generating set, diesel engine of vehicle at present; Electronic control single-plunger type proportioning pump (Wang Shangyong, electronic Control for Diesel Engine technology [M], the China Machine Press of the exploitation of Germany Bosch company, 2005) though can reach requirement, but executive component is the rotation proportion electro-magnet, and complex structure, cost height, is difficult to promote the use of at home.
The model utility content
The purpose of this utility model is to provide a kind of automatically controlled single-plunger type proportioning pump oil-flow control apparatus, and it is not only simple in structure, and control is easy, control is accurate, working stability, with low cost.
Technical solutions of the utility model are to constitute like this, and it comprises that being located at single-plunger type distributes the interior fuel-flow control cover of the pump housing, and this fuel-flow control cover makes the fuel feeding unloading by moving axially of self, and regulates the fuel delivery size by control shift motion size; It is characterized in that: also be provided with and be used for driving fuel-flow control and overlap axially movable stepper motor; rocking arm; elbow pull bar; fuel-flow control lever and rocker; wherein stepper motor is installed on the pump housing; rocker is hinged by the fixed support and the pump housing; the fuel-flow control lever is hinged with the moving fulcrum that is fixed in the rocker swing arm; rocking arm is installed on the main shaft of stepper motor; the swinging end of rocking arm is provided with the straight pin of band connected in star; the elbow end of elbow pull bar is enclosed within the annular groove of straight pin; the rod end of elbow pull bar is rotationally connected by the drive end of a pair of spherical washer and fuel-flow control lever, and the driven end of fuel-flow control lever and fuel-flow control cover are rotationally connected.
During the utility model work, shake the swinging end rotation of arm by the rotating band of stepper motor, and then drive the drive end of elbow pull bar and fuel-flow control lever by straight pin, the drive end of fuel-flow control lever is rotated around moving fulcrum, and then move axially by the driven end drive fuel-flow control cover of fuel-flow control lever.Moving axially of fuel-flow control cover makes the fuel feeding unloading, and by controlling the size that shift motion is regulated fuel delivery.
Than prior art, the utility model can adopt the domestic stepper motor of having produced in enormous quantities as executive component, in conjunction with leverage, controls the fuel delivery of single-plunger type proportioning pump, not only simple in structure, and control is easy, control is accurate, working stability, with low cost.
Description of drawings
Fig. 1 is the utility model organigram.
Fig. 2 is the A-A sectional view of Fig. 1.
Fig. 3 is the I part enlarged diagram among Fig. 1.
Number in the figure explanation: the 1-pump housing, 2-cam, 3-rocking arm, the 4-torsion spring, 5-screw, 6-joining plate, the 7-stepper motor, the main shaft of 701-stepper motor, 8-lid, the 9-rocker, the swing arm of 901-rocker, the maximum oil mass adjusting screw of 10-, the 11-briquetting, 12-holddown spring, 13-elbow pull bar, the elbow end of 1301-elbow pull bar, the rod end of 1302-elbow pull bar, 14-spherical washer, the 15-locking nut, 16-fuel-flow control lever, the drive end of 1601-fuel-flow control lever, the driven end of 1602-fuel-flow control lever, the 17-moving fulcrum, 18-ball stud, 19-fuel-flow control cover, the 20-straight pin, the 21-fixed support.
Embodiment
Below in conjunction with specification drawings and specific embodiments the utility model content is elaborated:
As depicted in figs. 1 and 2, it comprises that being located at single-plunger type distributes the fuel-flow control in the pump housing 1 to overlap 19 the automatically controlled single-plunger type proportioning pump of the utility model oil-flow control apparatus, this fuel-flow control cover 19 makes the fuel feeding unloading by moving axially of self, and regulates the fuel delivery size by control shift motion size; It is characterized in that: also be provided with to drive fuel-flow control and overlap 19 axially movable stepper motors 7; Rocking arm 3; Elbow pull bar 13; Fuel-flow control lever 16 and rocker 9; Wherein stepper motor 7 is installed on that (stepper motor 7 is installed on the gusset piece 6 on the pump housing 1; With screw 5 gusset piece 6 and stepper motor 7 are fixed on and cover on 8; Lid 8 is fixedly mounted on the pump housing 1); Rocker 9 is hinged by fixed pivot 21 and the pump housing; Fuel-flow control lever 16 is hinged with the moving fulcrum 17 that is fixed in the rocker swing arm 901; Rocking arm 3 is installed on the main shaft 701 of stepper motor; The swinging end of rocking arm is provided with the straight pin 20 with annular groove; The elbow end 1301 of elbow pull bar 13 is enclosed within the annular groove of straight pin 20; The rod end 1302 of elbow pull bar is rotationally connected by the drive end 1601 of a pair of spheric washer 14 with fuel-flow control lever 16, and the driven end 1602 of fuel-flow control lever is rotationally connected with fuel-flow control cover 19.
The rod end 1302 of elbow pull bar is arranged in the through hole of offering on the fuel-flow control lever drive end 1601, two spherical washers 14 are socketed on the rod end 1302 of elbow pull bar and are positioned at the both sides of fuel-flow control lever drive end 1601, and the spherical of two spherical washers 14 is adjacent to respectively in the sphere pit of through hole both sides; Be positioned at the spherical washer 14 outer locking nuts 15 that are provided with in elbow pull bar rod end 1302 outsides, locking nut 15 is connected to regulate the link position of drive end 1601 on the rod end 1302 of elbow pull bar of fuel-flow control lever by engage thread with the rod end 1302 of elbow pull bar; Also be socketed with briquetting 11 and holddown spring 12 on the body of rod of described elbow pull bar, an end of holddown spring 12 is pressed in briquetting 11 on the cylndrical surface of straight pin 20, and the other end is pressed on the spherical washer 14 that is positioned at elbow pull bar rod end 1302 inboards.
The driven end 1602 of fuel-flow control lever 16 is connected with hole on being located at fuel-flow control cover 19 by ball stud 18.
Pressuring action by above-mentioned briquetting 11, holddown spring 12 and spherical washer, stepper motor 7 just can seamlessly draw or push away the drive end of fuel-flow control lever 16 when rotating, fuel-flow control lever 16 is rotated around moving fulcrum 17, and then control the position of fuel-flow control cover 19 by the ball stud 18 that is connected with its driven end 1602.
Thereby the output shaft of described stepper motor is provided with the swinging end that makes rocking arm 3 and returns the reduction torsion spring 4 that initial position drive fuel-flow control cover moves to cut-out position automatically when having a power failure, one end of reduction torsion spring 4 is fixed on the stepper motor, and the other end is fixed on the rocking arm 3.During power failure, reduction torsion spring 4 can make the swinging end of rocking arm 3 push away elbow pull bar 13 by straight pin 20 and fuel-flow control lever 16 clockwise rotates around fulcrum 17, then stir fuel-flow control cover 19 cut-out position that turns left by the ball stud 18 of fuel-flow control lever 16 bottoms, cut off oil pump feed.
The described pump housing 1 is provided with another swing arm 901 sides of being positioned at rocker 9, be used to adjust the maximum oil mass adjusting screw 10 of another swing arm 901 swing position of rocker, can adjust the position of moving fulcrum 17 by this maximum oil mass adjusting screw 10, thereby the maximum fuel delivery of control oil pump, its working principle is the same with the principle that the proportioning pump of band mechanical governor is controlled maximum fuel delivery.
Working principle of the present utility model is as follows: during energising, and the sense of rotation that electronic controller (ECU) can the control step motor, the also size of may command stepper motor angle of swing.When stepper motor was rotated in the forward, the umber of pulse of input stepper motor 7 was directly proportional with corner.When umber of pulse increases, stepper motor 7 turns over bigger angle with rocking arm 3 and straight pin 20, hauling elbow pull bar 13, spherical washer 14, fuel feeding adjustment (adjusting) lever 16 rotates counterclockwise around fulcrum 17, ball stud 18 will be stirred fuel-flow control cover 19 and move right, and single-plunger type proportioning pump fuel delivery is increased.During opposite the counter-rotating, stepper motor 7 rotates to reducing the oil mass direction, and the umber of pulse increase is many more, and it is many more that oil mass subtracts.The utility model is accurately controlled the position of fuel-flow control cover 19 by the umber of pulse of control input stepper motor, thereby accurately controls the speed governing rate and the fuel feeding size of single-plunger type proportioning pump.
Claims (5)
1. automatically controlled single-plunger type proportioning pump oil-flow control apparatus, it comprises that being located at single-plunger type distributes the interior fuel-flow control cover (19) of the pump housing (1), this fuel-flow control cover (19) makes the fuel feeding unloading by moving axially of self, and regulates the fuel delivery size by control shift motion size; It is characterized in that: also be provided with to drive the axially movable stepper motor of fuel-flow control cover (19) (7); Rocking arm (3); Elbow pull bar (13); Fuel-flow control lever (16) and rocker (9); Wherein stepper motor (7) is installed on the pump housing (1); Rocker (9) is hinged by fixed pivot (21) and the pump housing; Fuel-flow control lever (16) is hinged with the moving fulcrum (17) that is fixed in the rocker swing arm (901); Rocking arm (3) is installed on the main shaft (701) of stepper motor; The swinging end of rocking arm is provided with the straight pin (20) with annular groove; The elbow end (1301) of elbow pull bar (13) is enclosed within the annular groove of straight pin (20); The rod end of elbow pull bar (1302) is rotationally connected by the drive end (1601) of a pair of spheric washer (14) with fuel-flow control lever (16), and the driven end of fuel-flow control lever (1602) is rotationally connected with fuel-flow control cover (19).
2. automatically controlled single-plunger type proportioning pump oil-flow control apparatus according to claim 1, it is characterized in that: the rod end of elbow pull bar (1302) is arranged in the through hole of offering on the fuel-flow control lever drive end (1601), the both sides of fuel-flow control lever drive end (1601) are gone up and be positioned to the rod end (1302) that two spherical washers (14) are socketed in the elbow pull bar, and the spherical of two spherical washers (14) is adjacent to respectively in the sphere pit of through hole both sides; Be positioned at the outer locking nut (15) that is provided with of spherical washer (14) in elbow pull bar rod end (1302) outside, locking nut (15) is connected to regulate the link position of drive end (1601) on the rod end (1302) of elbow pull bar of fuel-flow control lever by engage thread with the rod end (1302) of elbow pull bar; Also be socketed with briquetting (11) and holddown spring (12) on the body of rod of described elbow pull bar, one end of holddown spring (12) is pressed in briquetting (11) on the cylndrical surface of straight pin (20), and the other end is pressed in and is positioned on the inboard spherical washer (14) of elbow pull bar rod end (1302).
3. automatically controlled single-plunger type proportioning pump oil-flow control apparatus according to claim 1 and 2 is characterized in that: the driven end (1602) of fuel-flow control lever (16) is connected with hole on being located at fuel-flow control cover (19) by ball stud (18).
4. automatically controlled single-plunger type proportioning pump oil-flow control apparatus according to claim 3, it is characterized in that: the output shaft of described stepper motor be provided with make rocking arm (3) thus swinging end when having a power failure, return initial position automatically and drive the reduction torsion spring (4) that the fuel-flow control cover moves to cut-out position, one end of reduction torsion spring (4) is fixed on the stepper motor, and the other end is fixed on the rocking arm 3.
5. automatically controlled single-plunger type proportioning pump oil-flow control apparatus according to claim 4 is characterized in that: the described pump housing is provided with another swing arm (901) side of being positioned at rocker (9), be used to adjust the maximum oil mass adjusting screw (10) of another swing arm (901) swing position of rocker.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008201021749U CN201190658Y (en) | 2008-04-30 | 2008-04-30 | Oil control device for electric-controlled single-plunger type dispensing pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008201021749U CN201190658Y (en) | 2008-04-30 | 2008-04-30 | Oil control device for electric-controlled single-plunger type dispensing pump |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201190658Y true CN201190658Y (en) | 2009-02-04 |
Family
ID=40334819
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2008201021749U Expired - Lifetime CN201190658Y (en) | 2008-04-30 | 2008-04-30 | Oil control device for electric-controlled single-plunger type dispensing pump |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201190658Y (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102529705A (en) * | 2012-02-21 | 2012-07-04 | 常熟市迅达粉末冶金有限公司 | Oil quantity controlling sleeve for automobile |
| CN107797572A (en) * | 2017-11-08 | 2018-03-13 | 佘峰 | A kind of oil controller in oil well conveyer |
-
2008
- 2008-04-30 CN CNU2008201021749U patent/CN201190658Y/en not_active Expired - Lifetime
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102529705A (en) * | 2012-02-21 | 2012-07-04 | 常熟市迅达粉末冶金有限公司 | Oil quantity controlling sleeve for automobile |
| CN102529705B (en) * | 2012-02-21 | 2014-12-03 | 常熟市迅达粉末冶金有限公司 | Oil quantity controlling sleeve for automobile |
| CN107797572A (en) * | 2017-11-08 | 2018-03-13 | 佘峰 | A kind of oil controller in oil well conveyer |
| CN107797572B (en) * | 2017-11-08 | 2020-12-15 | 安徽远东重型机械有限公司 | Oil mass adjusting device used in petroleum well conveyor |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN100470019C (en) | Electronic speed regulating device of diesel engine | |
| CN206988515U (en) | One kind rotation fork type servo-electric actuator | |
| CN201190658Y (en) | Oil control device for electric-controlled single-plunger type dispensing pump | |
| CN201865774U (en) | Actuating mechanism of digital electronic speed regulator | |
| CN203097983U (en) | Fully variable valve stroke device | |
| CN201136226Y (en) | Electric control system for concrete stirring and conveying vehicle | |
| CN203584585U (en) | Throttle control device and diesel engine comprising same | |
| CN101503973A (en) | Air valve lift adjustable engine valve actuating mechanism | |
| CN201407104Y (en) | Electronic governor actuator | |
| CN201521354U (en) | Direct-push actuating mechanism of electronic speed regulator | |
| CN202970840U (en) | Gear rack rocker arm type variable valve lift mechanism of engine | |
| US4771847A (en) | Speed control actuator | |
| CN201534619U (en) | A rotary valve pump filling device with automatic filling quantity adjusting mechanism | |
| CN202298417U (en) | Stepless adjustment secondary weighing device of emptying door | |
| CN201190645Y (en) | Oil supply adjusting mechanism for electric-controlled dispensing pump | |
| CN2703881Y (en) | Operating mechanism for engine speed governor | |
| CN2319650Y (en) | Camshaft directly controlling master pressure dividing valve of water turbine speed variator stepping motor | |
| CN217709870U (en) | Turning plate structure of multi-layer quilter | |
| CN201159107Y (en) | Control device of accurate control of engine fuel amount | |
| CN101956610B (en) | Electronic speed governor actuating mechanism | |
| CN1693680A (en) | Motor vehicle engine air throttle driving device | |
| CN203308590U (en) | Engine speed adjustment actuator | |
| CN201050407Y (en) | Electrically-controlled oil volume limiting mechanism | |
| CN220475541U (en) | Motor capable of controlling bearing pretightening force | |
| CN203856582U (en) | Actuator of electronic speed regulator |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| PP01 | Preservation of patent right | ||
| PP01 | Preservation of patent right |
Effective date of registration: 20170911 Granted publication date: 20090204 |
|
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20090204 |
|
| PD01 | Discharge of preservation of patent | ||
| PD01 | Discharge of preservation of patent |
Date of cancellation: 20180430 Granted publication date: 20090204 |