CN208966464U - Oil quantity of electric control monoblock pump adjustment structure - Google Patents
Oil quantity of electric control monoblock pump adjustment structure Download PDFInfo
- Publication number
- CN208966464U CN208966464U CN201821645166.9U CN201821645166U CN208966464U CN 208966464 U CN208966464 U CN 208966464U CN 201821645166 U CN201821645166 U CN 201821645166U CN 208966464 U CN208966464 U CN 208966464U
- Authority
- CN
- China
- Prior art keywords
- electromagnet
- screw
- electric control
- oil quantity
- adjusting screw
- 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
Links
Landscapes
- Details Of Reciprocating Pumps (AREA)
Abstract
The utility model discloses oil quantity of electric control monoblock pump adjustment structures, including the adjustment screw (5) being arranged on electromagnet (1), the adjustment screw (5) includes the adjusting screw (6) being threadedly coupled in electromagnet (1) mounting hole with electromagnet (1), adjusting screw (6) lower end surface is contacted with spring (3) top surface mounted in valve rod (4) top, described adjusting screw (6) bar portion is set in the sealing ring (7) that electromagnet (1) mounting hole forms sealing, described adjusting screw (6) upper surface is provided with the precession slot with the cooperation of precession tool, by adjusting adjustment screw precession depth, change the cone valve aperture of valve stem end, reach oil suction or unloading process fuel-flow control purpose, do not need to change gasket, improve fuel-flow control efficiency.
Description
Technical field
The utility model relates to the fuel-flow control structures of electronically controlled unit pump, more particularly to the automatically controlled monomer of air-cooled single-cylinder diesel engine
The fuel-flow control structure of pump.
Background technique
Currently, well known air-cooled single-cylinder diesel engine electronically controlled unit pump be all by electromagnet band ovable valve stem, by valve rod with
The on-off for the switching poppet valve that the pump housing is formed, realizes the disengaging of fuel oil, the circulation area of fuel oil oil suction and unloading process access way
It is exactly the sectional area in the channel that cone valve is opened；Patent No. ZL201721034410.3 discloses a kind of electronically controlled unit pump high oil absorption power
Oil channel structures, unloading process intermediate fuel oil are also to be opened by exercising cone valve under valve rod, the channel that high pressure fuel is opened through cone valve
Oil pump is flowed out, the fuel-flow control structure of general electronically controlled unit pump is gasket type fuel-flow control structure, as shown in figure 3, including setting
Gasket 2 on electromagnet 1, the gasket 2 are contacted with mounted in the spring 3 on 4 top of valve rod, by change 2 size of gasket come
Change the spring force acted on valve rod 4, to change the cone valve aperture of 4 end of valve rod, realizes oil suction or unloading process oil
Amount is adjusted, but replacement gasket requires to stop oil mass testboard bay, disassembly electromagnet every time, and individual oil pumps there is also repeatedly
The case where replacing gasket, causes fuel-flow control process efficiency low.
Summary of the invention
The purpose of the utility model embodiment is the problem low for fuel-flow control process efficiency of the existing technology, is mentioned
For a kind of oil quantity of electric control monoblock pump adjustment structure.The oil quantity of electric control monoblock pump adjustment structure of the utility model, which is characterized in that packet
Include the adjustment screw being arranged on electromagnet, the adjustment screw includes in electromagnet mounting hole and electromagnetism
The adjusting screw that iron is threadedly coupled, the adjusting screw lower end surface is contacted with the spring top surface mounted in valve stem tip, described
It adjusts screw bar portion and is set in the sealing ring that electromagnet mounting hole forms sealing, the adjusting screw upper surface is provided with and revolves
The precession slot cooperated into tool.
Further, in an embodiment of the present embodiment, locking nut is arranged in the adjusting screw upper end, described
Locking nut diameter be greater than electromagnet mounting hole bore dia.
Further, it in an embodiment of the present embodiment, is set in the adjusting screw upper end and is placed in locking
Spring shim under nut.
Further, in an embodiment of the present embodiment, spring is protruded into adjusting screw (6) the lower end setting
(3) pillar of internal diameter.
The oil quantity of electric control monoblock pump adjustment structure of the utility model embodiment has following good effect, the utility model
Oil quantity of electric control monoblock pump adjustment structure changes spring by adjusting the adjustment screw precession depth being mounted on electromagnet
The pressure on valve rod is acted on after compression, to change the cone valve aperture of valve stem end, reaches oil suction or unloading process oil mass tune
Program.Electronically controlled unit pump in this way is not required to stopping oil mass testboard bay, without dismantling electromagnet during oil mass testing experiment
It can greatly improve air-cooled single-cylinder diesel engine oil quantity of electric control monoblock pump fast and accurately by fuel-flow control qualification and adjust efficiency.
Detailed description of the invention
For the technical solution for further illustrating the utility model embodiment, now to attached drawing needed for the utility model embodiment
Briefly introduced.
Fig. 1 is the schematic diagram of the utility model oil quantity of electric control monoblock pump adjustment structure.
Fig. 2 is the adjustment screw schematic diagram of the oil quantity of electric control monoblock pump adjustment structure of the utility model.
Fig. 3 is the schematic diagram of the gasket type fuel-flow control structure of the electronically controlled unit pump of the prior art.
In figure: 1. electromagnet, 2. gaskets, 3. springs, 4. valve rods, 5. adjustment screws, 6. adjust screw, 7. sealings
Circle, 8. spring shims, 9. locking nuts.
Specific embodiment
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model
It clearly and completely describes, it is clear that the embodiments are a part of the embodiments of the present invention, rather than whole implementation
Example.In the description of the present invention, it should be noted that in the absence of conflict, the embodiments of the present invention and reality
The feature applied in example can be combined with each other；It should also be noted that, unless otherwise clearly defined and limited, term " setting " is answered
It is interpreted broadly, for the ordinary skill in the art, above-mentioned term can be understood in the utility model with concrete condition
In concrete meaning.
Embodiment 1, referring to Figures 1 and 2, oil quantity of electric control monoblock pump adjustment structure provided by the embodiment of the utility model,
It is characterized in that, including the adjustment screw 5 being arranged on electromagnet 1, the adjustment screw 5 includes being mounted in electromagnet
The adjusting screw 6 being threadedly coupled in 1 mounting hole with electromagnet 1, described adjusts 6 lower end surface of screw and mounted in 4 top of valve rod
The contact of 3 top surface of spring, adjusting 6 bar portion of screw is set in the sealing ring 7 that 1 mounting hole of electromagnet forms sealing, described
It adjusts 6 upper surface of screw and is provided with the precession slot cooperated with precession tool.
The fuel-flow control process of embodiment 1: screwing adjustment screw 5 and move downward, compressed spring 3, and spring 3 generates bullet
Power provides a downward pressure for valve rod 4.According to electronically controlled unit pump oil suction or unloading process oil mass size, screws, unscrews tune
Section screw assembly 5 carrys out adjusting oil mass.
Embodiment 2, referring to Figures 1 and 2, oil quantity of electric control monoblock pump adjustment structure provided by the embodiment of the utility model,
On the basis of embodiment 1, further define that 6 upper end of the adjusting screw setting locking nut 9, the locking nut 9 are straight
Diameter is greater than the bore dia of 1 mounting hole of electromagnet, in this way, after oil quantity of electric control monoblock pump adjusting is to acceptability limit, by locking nut 9
Tighten, can adjustment screw component 5, keep oil quantity of electric control monoblock pump stablize.
Embodiment 3, referring to Figures 1 and 2, oil quantity of electric control monoblock pump adjustment structure provided by the embodiment of the utility model,
On the basis of embodiment 2, further defines that and be set with the spring pad being placed under locking nut 9 in 6 upper end of adjusting screw
Piece 8 prevents locking nut 9 from loosening in this way, can enhance 9 self-locking property of locking nut, further keeps oil quantity of electric control monoblock pump steady
It is fixed.
Embodiment 4, referring to Figures 1 and 2, oil quantity of electric control monoblock pump adjustment structure provided by the embodiment of the utility model,
On the basis of above-mentioned all embodiments, further define that the pillar of 3 internal diameter of spring is protruded into 6 lower end of the adjusting screw setting,
In this way, the unstability in compression of spring 3 can be prevented.
Fig. 3 is the gasket type fuel-flow control structure of the electronically controlled unit pump of the prior art, including the pad being arranged on electromagnet 1
Piece 2, the gasket 2 are contacted with the spring 3 mounted in 4 top of valve rod, act on valve rod 4 by changing 2 size of gasket to change
On spring force realize oil suction or unloading process fuel-flow control, in this way adjusting to change the cone valve aperture of 4 end of valve rod
When need to constantly change gasket, cause fuel-flow control process efficiency low.
The above, only the utility model preferred embodiment, therefore the utility model implementation cannot be limited with this
Range should still belong to this reality that is, according to equivalent changes and modifications made by present utility model application the scope of the patents and description
In the range of being covered with new patent.
Claims (4)
1. oil quantity of electric control monoblock pump adjustment structure, it is characterised in that: including the adjustment screw being arranged on electromagnet (1)
(5), the adjustment screw (5) includes the adjusting spiral shell being threadedly coupled in electromagnet (1) mounting hole with electromagnet (1)
It follows closely (6), adjusting screw (6) lower end surface is contacted with spring (3) top surface mounted in valve rod (4) top, the adjusting spiral shell
Nail (6) bar portion is set in the sealing ring (7) that electromagnet (1) mounting hole forms sealing, adjusting screw (6) the upper surface setting
There is the precession slot with the cooperation of precession tool.
2. oil quantity of electric control monoblock pump adjustment structure according to claim 1, it is characterised in that: the adjusting screw (6)
Locking nut (9) are arranged in upper end, and the locking nut (9) diameter is greater than the bore dia of electromagnet (1) mounting hole.
3. oil quantity of electric control monoblock pump adjustment structure according to claim 2, it is characterised in that: in the adjusting screw
(6) upper end is set with the spring shim (8) being placed under locking nut (9).
4. oil quantity of electric control monoblock pump adjustment structure according to any one of claims 1 to 3, it is characterised in that: the adjusting
The pillar for protruding into spring (3) internal diameter is arranged in screw (6) lower end.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821645166.9U CN208966464U (en) | 2018-10-11 | 2018-10-11 | Oil quantity of electric control monoblock pump adjustment structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821645166.9U CN208966464U (en) | 2018-10-11 | 2018-10-11 | Oil quantity of electric control monoblock pump adjustment structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208966464U true CN208966464U (en) | 2019-06-11 |
Family
ID=66759302
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821645166.9U Expired - Fee Related CN208966464U (en) | 2018-10-11 | 2018-10-11 | Oil quantity of electric control monoblock pump adjustment structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208966464U (en) |
-
2018
- 2018-10-11 CN CN201821645166.9U patent/CN208966464U/en not_active Expired - Fee Related
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US10570818B2 (en) | Longitudinally adjustable connecting rod | |
| CN1670359A (en) | Electromagnetic valve with regulable armature stroke and regulating method thereof | |
| JP5907145B2 (en) | High pressure pump | |
| WO1996026360A1 (en) | Fuel pumping and injection systems | |
| CN109519312B (en) | High-pressure fuel pump | |
| KR101045519B1 (en) | Regulator | |
| EP2184490B1 (en) | Valve assembly for fuel pump | |
| KR20180134925A (en) | High pressure diesel pump | |
| CN208966464U (en) | Oil quantity of electric control monoblock pump adjustment structure | |
| CN109519313B (en) | High-pressure fuel pump | |
| EP2631464B1 (en) | Fuel injection pump including a variable pressure compartment | |
| KR101158631B1 (en) | Dual fuel injection valve | |
| EP2993341B1 (en) | Fuel pump for a direct injection system | |
| CN202203015U (en) | Novel fuel injector assembly | |
| KR101875646B1 (en) | Variable compression ratio device | |
| JP6127851B2 (en) | High pressure pump | |
| CN208966463U (en) | Diesel electric-controlled monoblock pump fuel oil circulator | |
| CN208966557U (en) | Gas-tight travelling valve | |
| KR101682055B1 (en) | An oil tank piston for fuel injection pump | |
| CN106677555B (en) | Many focus hydraulic splitting machines for concrete | |
| CN210069030U (en) | Exhaust overflow safety valve | |
| US20190136814A1 (en) | Gas vehicle injector having improved lubrication characteristics | |
| CN101094982A (en) | Pressure vibration dampener for an internal combustion engine fuel injection system | |
| CN103527377A (en) | Multifunctional valve for common rail system | |
| US12006926B1 (en) | Anti-cavitation device, fluid end, and method |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20190611 Termination date: 20211011 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |