CN205823455U - A kind of speed regulator of diesel injection pump - Google Patents
A kind of speed regulator of diesel injection pump Download PDFInfo
- Publication number
- CN205823455U CN205823455U CN201620756413.7U CN201620756413U CN205823455U CN 205823455 U CN205823455 U CN 205823455U CN 201620756413 U CN201620756413 U CN 201620756413U CN 205823455 U CN205823455 U CN 205823455U
- Authority
- CN
- China
- Prior art keywords
- speed
- pull bar
- spring
- regulating arm
- injection pump
- 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 - Fee Related
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- High-Pressure Fuel Injection Pump Control (AREA)
Abstract
The utility model discloses the speed regulator of a kind of diesel injection pump, including housing, speed governing pull bar, speed-regulating arm, control oil pull bar and buffer gear.Described speed governing pull bar and speed-regulating arm are all rotatably connected on described housing, and this speed governing pull bar includes that supporting part and chute, described control oil pull bar are connected to described chute.Described buffer gear includes support member, buffer bar, locating dowel, the first spring and the second spring.Buffer gear is connected with speed governing pull bar directly through speed-regulating arm, it is to avoid arrange attachment structure outside speed-regulating arm, reduce side to volume take, it is simple to engine block layout.
Description
Technical field
This utility model relates to arrangements for speed regulation, particularly relates to the speed regulator of a kind of diesel injection pump.
Background technology
The speed of injection pump is specific be unfavorable for diesel engine to working conditions change, diesel load somewhat changes all can lead
Cause the acute variation of rotating speed.When load reduces, rotating speed raises, and rotating speed raises and causes plunger displacement pump fuel feeding to increase, and the fuel delivery of increase is anti-
Come over to cause rotating speed to improve further.On the contrary, when load increases, rotating speed reduces, and rotating speed raises and causes plunger displacement pump fuel feeding to reduce, and subtracts
Little fuel delivery causes rotating speed to reduce further in turn.Change this vicious cycle, it is necessary to one can become according to load
Change the device being automatically adjusted fuel delivery, namely speed regulator.This speed regulator at least include flyball, speed governing pull bar, speed-regulating arm with
And control oil pull bar.The volume of existing speed regulator is relatively big, is unfavorable for diesel engine layout.
Utility model content
The utility model proposes the speed regulator of a kind of diesel injection pump, reduce speed governing pull bar, the volume of speed-regulating arm, just
In engine block layout.
The technical solution of the utility model is achieved in that
The speed regulator of a kind of diesel injection pump, including housing, speed governing pull bar, speed-regulating arm, control oil pull bar and buffer
Structure, described speed governing pull bar and speed-regulating arm be all rotatably connected on described housing, and this speed governing pull bar includes supporting part and chute,
Described control oil pull bar is connected to described chute, it is characterised in that described speed-regulating arm has a through hole, and described buffer gear includes propping up
Support member, buffer bar, locating dowel, the first spring and the second spring, described support member is fixed on the sidewall of described housing, described buffering
Bar is movably attached on described support member, and described locating dowel is positioned at described through hole, and the front end of described support member is pressed in this
In locating dowel, one end of described first spring is connected on described buffer bar, and the other end of described first spring is connected to described
On support member, one end of described second spring is connected in described locating dowel, and the other end is pressed on described supporting part.
In the speed regulator of diesel injection pump of the present utility model, described locating dowel has installing hole, described second bullet
Spring is positioned at this installing hole.
In the speed regulator of diesel injection pump of the present utility model, described installing hole has the first locating cone, described
Support part has the second locating cone, and this first locating cone and the second locating cone are respectively positioned in described second spring.
In the speed regulator of diesel injection pump of the present utility model, described locating dowel has flange ring, this flange ring
Diameter is more than the diameter of described through hole.
In the speed regulator of diesel injection pump of the present utility model, described speed-regulating arm is connected by the first linkage section and second
Duan Zucheng, the angle of described first linkage section and the second linkage section is obtuse angle, and described through hole is positioned on this second linkage section.
Implement the speed regulator of this diesel injection pump of the present utility model, have the advantages that buffer gear is straight
Connect and be connected with speed governing pull bar through speed-regulating arm, it is to avoid attachment structure is set outside speed-regulating arm, reduce side to volume take,
It is easy to engine block layout.Flange ring can limit locating dowel and pass in through hole, it is to avoid affect being subject to of locating dowel and buffer bar
Power is transmitted.Speed-regulating arm and speed governing pull bar are mutually angle, and for reducing volume, speed-regulating arm is arranged to bending, and i.e. speed-regulating arm is by mutually
First linkage section of bending and the second linkage section composition.
Accompanying drawing explanation
Fig. 1 is the schematic diagram of the speed regulator of this diesel injection pump of the present utility model；
Fig. 2 is the partial view at the A of Fig. 1；
Fig. 3 is the partial view at the B of Fig. 1；
Fig. 4 is the partial view of the other direction of Fig. 1, the structure of main presentation speed-regulating arm and stop flange；
Fig. 5 is the structure diagram of Fig. 1.
Detailed description of the invention
Below in conjunction with the accompanying drawing in this utility model embodiment, the technical scheme in this utility model embodiment is carried out
Clearly and completely describe.
Such as Fig. 1 to the of the present utility model this speed regulator shown in 5, including housing 100, camshaft 200, flyball 300, slide
Set 400, speed governing pull bar 500, speed-regulating arm 600 and control oil pull bar 700.Described camshaft 200 and flyball 300 rotatably arranged with
On described housing 100, this camshaft 200 is connected to described flyball 300, and this flyball 300 is connected to described through described sliding sleeve 400
Speed governing pull bar 500.Camshaft 200 drives flyball 300 to rotate, and flyball 300 opening angle under different rotating speeds is different, Jin Ergai
Become sliding sleeve 400 and the position of speed governing pull bar 500.Described speed governing pull bar 500 and speed-regulating arm 600 are all rotatably connected to described shell
On body 100, this speed governing pull bar 500 includes that supporting part 510 and chute 520, described control oil pull bar 700 have a connection post 710, should
Connect post 710 and be positioned at described chute 520.Speed governing pull bar 500 can pull speed governing pull bar while rotating, and reaches the mesh of control oil
's.When camshaft 200 rotating speed reduces, speed-regulating arm 600 is by speed governing pull bar 500 return.
This speed regulator also includes buffer gear 900.Described speed-regulating arm 600 has a through hole 610, described buffer gear 900
Including support member 910, buffer bar 920, locating dowel the 930, first spring 940 and the second spring 950.Described support member 910 is fixed
At the sidewall of described housing 100, described buffer bar 920 is movably attached on described support member 910, described locating dowel 930
Being positioned at described through hole 610, the front end of described support member 910 is pressed in this locating dowel 930.One end of described first spring 940
Being connected on described buffer bar 920, the other end of described first spring 940 is connected on described support member 910.Described second bullet
One end of spring 950 is connected in described locating dowel 930, and the other end is pressed on described supporting part 510.Buffer gear 900 is directly worn
Cross speed-regulating arm 600 to be connected with speed governing pull bar 500, it is to avoid outside speed-regulating arm 600, arrange attachment structure, reduce side to volume
Take, it is simple to engine block layout.Described locating dowel 930 has installing hole 931, and described second spring 950 is positioned at this installation
In hole 931.Described installing hole 931 has the first locating cone 932, and described supporting part 510 has the second locating cone 511, and this is first years old
Locating cone 932 and the second locating cone 511 are respectively positioned in described second spring 950.The effect of the bootable spring of locating cone, it is to avoid bullet
Spring axial bending.Described locating dowel 930 has flange ring 933, and the diameter of this flange ring 933 is more than the diameter of described through hole 610.
Flange ring 933 can limit locating dowel 930 and pass in through hole 610, it is to avoid affect the stress biography of locating dowel 930 and buffer bar 920
Pass.Described speed-regulating arm 600 is made up of the first linkage section 601 and the second linkage section 602, and described first linkage section 601 and second connects
The angle of the section of connecing 602 is obtuse angle, and described through hole 610 is positioned on this second linkage section 602.For reducing volume, speed-regulating arm 600 is arranged
Become bending.
In this utility model, being provided with precompressed shell fragment 530 in this chute 520, this precompressed shell fragment 530 includes the first pressing part
531 and second pressing part 532, described first pressing part 531 is fixed in described chute 520, and described second pressing part 532 is pressed in
On described connection post 710.Described precompressed shell fragment 530 also includes curved portions 533, and the two ends of this curved portions 533 connect described respectively
First pressing part 531 and the second pressing part 532.Precompressed shell fragment 530 is pressed in the side of chute 520 by connecting post 710, connects post
710 can the movement of accurate respective slide slots 520.Described first pressing part 531 and the second pressing part 532 structure are in an acute angle, described arc
Shape portion 533 is positioned at the lower section of described connection post 710.When flyball 300 rotating speed is higher, the caudal action of precompressed shell fragment 530 is even
Connecing on post 710, now precompressed shell fragment 530 active force is relatively big, can play certain cushioning effect.It is also preferred that the left this speed regulator also wraps
Including reduction torsion spring 800, one end of this reduction torsion spring 800 is fixed on described housing 100, and the other end is pressed in described speed-regulating arm 600
On.This speed regulator also includes limited post 820, and this limited post 820 has a stop flange 830, and this stop flange 830 is positioned at described
Between speed-regulating arm 600 and speed governing pull bar 500.Referring to the drawings, the compacting position 630 of speed-regulating arm is Y-shaped structure, is positioned at limited post two
Side.Stop flange 830 can limit the operating distance of speed-regulating arm 600, and reduction torsion spring can ensure the speed governing when flyball 300 rotating speed declines
Arm 600 returns to initial position.
The foregoing is only preferred embodiment of the present utility model, not in order to limit this utility model, all at this
Within the spirit of utility model and principle, any modification, equivalent substitution and improvement etc. made, should be included in this utility model
Protection domain within.
Claims (5)
1. a speed regulator for diesel injection pump, including housing, speed governing pull bar, speed-regulating arm, control oil pull bar and buffer gear,
Described speed governing pull bar and speed-regulating arm are all rotatably connected on described housing, and this speed governing pull bar includes supporting part and chute, institute
State control oil pull bar and be connected to described chute, it is characterised in that described speed-regulating arm has a through hole, and described buffer gear includes supporting
Part, buffer bar, locating dowel, the first spring and the second spring, described support member is fixed on the sidewall of described housing, described buffer bar
Being movably attached on described support member, described locating dowel is positioned at described through hole, and it is fixed that the front end of described support member is pressed in this
On the post of position, one end of described first spring is connected on described buffer bar, and the other end of described first spring is connected to described
In support member, one end of described second spring is connected in described locating dowel, and the other end is pressed on described supporting part.
The speed regulator of diesel injection pump the most according to claim 1, it is characterised in that described locating dowel has installation
Hole, described second spring is positioned at this installing hole.
The speed regulator of diesel injection pump the most according to claim 2, it is characterised in that it is fixed that described installing hole has first
Position cone, described supporting part has the second locating cone, and this first locating cone and the second locating cone are respectively positioned in described second spring.
The speed regulator of diesel injection pump the most according to claim 2, it is characterised in that described locating dowel has flange
Ring, the diameter of this flange ring is more than the diameter of described through hole.
The speed regulator of diesel injection pump the most according to claim 1, it is characterised in that described speed-regulating arm is connected by first
Section and second linkage section composition, the angle of described first linkage section and the second linkage section is obtuse angle, described through hole be positioned at this second
On linkage section.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620756413.7U CN205823455U (en) | 2016-07-19 | 2016-07-19 | A kind of speed regulator of diesel injection pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620756413.7U CN205823455U (en) | 2016-07-19 | 2016-07-19 | A kind of speed regulator of diesel injection pump |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205823455U true CN205823455U (en) | 2016-12-21 |
Family
ID=57563429
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620756413.7U Expired - Fee Related CN205823455U (en) | 2016-07-19 | 2016-07-19 | A kind of speed regulator of diesel injection pump |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205823455U (en) |
-
2016
- 2016-07-19 CN CN201620756413.7U patent/CN205823455U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20161221 Termination date: 20180719 |