CN205876516U - Speed regulator of controlling oily pull rod has been improved - Google Patents
Speed regulator of controlling oily pull rod has been improved Download PDFInfo
- Publication number
- CN205876516U CN205876516U CN201620756505.5U CN201620756505U CN205876516U CN 205876516 U CN205876516 U CN 205876516U CN 201620756505 U CN201620756505 U CN 201620756505U CN 205876516 U CN205876516 U CN 205876516U
- Authority
- CN
- China
- Prior art keywords
- pull bar
- speed
- pressing part
- control oil
- speed regulator
- 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 a speed regulator of controlling oily pull rod has been improved, include casing, camshaft, flyweight, sliding sleeve, speed governing pull rod, speed governing arm and control oily pull rod. This speed governing pull rod includes supporting part and spout, controlling oily pull rod and having a spliced pole, this spliced pole lies in in the spout. Be equipped with the pre -compaction shell fragment in this spout, this pre -compaction shell fragment includes first pressing part and second pressing part, first pressing part is fixed in the spout, the second pressing part is pressed on the spliced pole. The pre -compaction shell fragment presses the spliced pole in one side of spout, removal that the spliced pole can accurate corresponding spout.
Description
Technical field
This utility model relates to arrangements for speed regulation, particularly relates to a kind of speed regulator improving control oil pull bar.
Background technology
Speed regulator can be automatically adjusted the fuel delivery of injection pump according to the change of engine load, make bavin rapidly, accurately
Oil machine rotating speed keeps stable.Control oil pull bar is the critical piece that the fuel-flow control of speed regulator passes to injection pump.Ensure speed governing
The control oil operation of pull bar is effectively transferred to control oil pull bar and is to ensure that injection pump reacts premise accurately.In the prior art, adjust
Speed pull bar is provided with chute, and control oil pull bar has connection post, and this connection post is positioned at chute.For ensureing to connect the mobile surplus of post,
The width of chute is more than the diameter of column.But this structure is unfavorable for connecting the movement of the accurate respective slide slots of post, it is necessary to enter one
Step is improved.
Utility model content
The utility model proposes a kind of speed regulator improving control oil pull bar, connect post and can accurately respond the shifting of chute
Dynamic, improve control oil accuracy.
The technical solution of the utility model is achieved in that
A kind of speed regulator improving control oil pull bar, including housing, camshaft, flyball, sliding sleeve, speed governing pull bar, speed-regulating arm
And control oil pull bar, described camshaft and flyball are rotatably arranged on described housing, and this camshaft is connected to described flyball,
This flyball is connected to described speed governing pull bar through described sliding sleeve, and described speed governing pull bar and speed-regulating arm are all rotatably connected to described shell
On body, this speed governing pull bar includes that supporting part and chute, described control oil pull bar have a connection post, and this connection post is positioned at described chute
In, it is characterised in that being provided with precompressed shell fragment in this chute, this precompressed shell fragment includes the first pressing part and the second pressing part, described
First pressing part is fixed in described chute, and described second pressing part is pressed on described connection post.
In the speed regulator improving control oil pull bar of the present utility model, described first pressing part and the second pressing part are constituted
One acute angle.
In the speed regulator improving control oil pull bar of the present utility model, described precompressed shell fragment also includes curved portions, this arc
The two ends in shape portion connect described first pressing part and the second pressing part respectively.
In the speed regulator improving control oil pull bar of the present utility model, described arc part is under described connection post
Side.
In the speed regulator improving control oil pull bar of the present utility model, this speed regulator also includes reduction torsion spring, this reset
One end of torsion spring is fixing on the housing, and the other end is pressed on described speed-regulating arm.
In the speed regulator improving control oil pull bar of the present utility model, this speed regulator also includes limited post, this limited post
Having a stop flange, this stop flange is between described speed-regulating arm and speed governing pull bar.
Implement this speed regulator improving control oil pull bar of the present utility model, have the advantages that precompressed shell fragment
Being pressed in the side of chute by connecting post, connecting post can the movement of accurate respective slide slots.When flyball rotating speed is higher, precompressed shell fragment
Caudal action is connecting on post, and now precompressed shell fragment active force is relatively big, can play certain cushioning effect.Stop flange can limit
The operating distance of speed-regulating arm, reduction torsion spring can ensure that speed-regulating arm returns to initial position when flyball rotating speed declines.
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.
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.
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.
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 (6)
1. improve control oil pull bar a speed regulator, including housing, camshaft, flyball, sliding sleeve, speed governing pull bar, speed-regulating arm with
And control oil pull bar, described camshaft and flyball are rotatably arranged on described housing, and this camshaft is connected to described flyball, should
Flyball is connected to described speed governing pull bar through described sliding sleeve, and described speed governing pull bar and speed-regulating arm are all rotatably connected to described housing
On, this speed governing pull bar includes that supporting part and chute, described control oil pull bar have a connection post, and this connection post is positioned at described chute
In, it is characterised in that being provided with precompressed shell fragment in this chute, this precompressed shell fragment includes the first pressing part and the second pressing part, described
First pressing part is fixed in described chute, and described second pressing part is pressed on described connection post.
The speed regulator improving control oil pull bar the most according to claim 1, it is characterised in that described first pressing part and the
Two pressing part structures are in an acute angle.
The speed regulator improving control oil pull bar the most according to claim 2, it is characterised in that described precompressed shell fragment also includes
Curved portions, the two ends of this curved portions connect described first pressing part and the second pressing part respectively.
The speed regulator improving control oil pull bar the most according to claim 3, it is characterised in that described arc part is in described
Connect the lower section of post.
The speed regulator improving control oil pull bar the most according to claim 1, it is characterised in that this speed regulator also includes resetting
Torsion spring, one end of this reduction torsion spring is fixing on the housing, and the other end is pressed on described speed-regulating arm.
The speed regulator improving control oil pull bar the most according to claim 1, it is characterised in that this speed regulator also includes spacing
Post, this limited post has a stop flange, and this stop flange is between described speed-regulating arm and speed governing pull bar.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620756505.5U CN205876516U (en) | 2016-07-19 | 2016-07-19 | Speed regulator of controlling oily pull rod has been improved |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620756505.5U CN205876516U (en) | 2016-07-19 | 2016-07-19 | Speed regulator of controlling oily pull rod has been improved |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205876516U true CN205876516U (en) | 2017-01-11 |
Family
ID=57696913
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620756505.5U Expired - Fee Related CN205876516U (en) | 2016-07-19 | 2016-07-19 | Speed regulator of controlling oily pull rod has been improved |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205876516U (en) |
-
2016
- 2016-07-19 CN CN201620756505.5U patent/CN205876516U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| 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: 20170111 Termination date: 20190719 |