CN219549010U - Oil quantity plunger adjusting device of vertical single-cylinder diesel engine - Google Patents
Oil quantity plunger adjusting device of vertical single-cylinder diesel engine Download PDFInfo
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- CN219549010U CN219549010U CN202320447575.2U CN202320447575U CN219549010U CN 219549010 U CN219549010 U CN 219549010U CN 202320447575 U CN202320447575 U CN 202320447575U CN 219549010 U CN219549010 U CN 219549010U
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- plunger
- plate
- oil mass
- base plate
- positioning plate
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/10—Internal combustion engine [ICE] based vehicles
- Y02T10/12—Improving ICE efficiencies
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- Lubrication Of Internal Combustion Engines (AREA)
Abstract
The utility model discloses a vertical single cylinder diesel oil mass plunger adjusting device, which comprises a speed regulating lever and an oil mass correcting device, wherein the oil mass correcting device comprises an oil mass plunger, a plunger spring, an adjusting block and an adjusting screw, and is characterized in that: the oil level regulating device comprises a speed regulating lever, and is characterized by further comprising a connecting plate, a positioning plate and a bottom plate, wherein the connecting plate is welded with the bottom plate, a first base plate and a second base plate are fixed on the bottom plate, cylindrical pins for fixing the through holes of the regulating lever are arranged on the first base plate and the second base plate, the positioning plate is inserted into a gap of the oil level plunger, the positioning plate is fixed through a compression spring and an inner hexagonal cylindrical head screw, and the compression spring presses the positioning plate on the first end face of the speed regulating lever. The oil mass plunger is contacted by the adjusting block, and then the adjusting screw is fixed, so that the gap of the oil mass plunger is ensured to be stable to be 1.8+/-0.05 mm.
Description
Technical Field
The utility model relates to the technical field of single-cylinder diesel engines, in particular to a vertical single-cylinder diesel engine oil quantity plunger adjusting device.
Background
The injection pump is the most important component of a diesel engine and is considered as the "heart" component of a diesel engine. Among the components of the fuel injection pump of the diesel engine, the plunger is the most important component of the fuel injection pump, and mainly plays roles in controlling the fuel injection quantity and generating high injection pressure. At present, the clearance of the oil mass plunger is controlled through the feeler gauge, the feeler gauge is clamped and inserted in the clearance of the plunger by the left hand during operation, the adjusting block is pushed to press the feeler gauge by the right hand, and then the adjusting screw is screwed, so that the clearance adjustment tolerance range of the plunger is large, and the consistency of products is poor.
Disclosure of Invention
The utility model aims to provide the oil quantity plunger adjusting device of the vertical single-cylinder diesel engine, which can ensure that the clearance of the oil quantity plunger is stable and has good consistency so as to overcome the defects in the prior art.
The utility model adopts the following technical proposal to realize the aim: the utility model provides a vertical single cylinder diesel oil mass plunger adjusting device, includes speed governing lever and oil mass correcting unit, oil mass correcting unit includes oil mass plunger, plunger spring, adjusting block, adjusting screw, its characterized in that: the oil level regulating device comprises a speed regulating lever, and is characterized by further comprising a connecting plate, a positioning plate and a bottom plate, wherein the connecting plate is welded with the bottom plate, a first base plate and a second base plate are fixed on the bottom plate, cylindrical pins for fixing the through holes of the regulating lever are arranged on the first base plate and the second base plate, the positioning plate is inserted into a gap of the oil level plunger, the positioning plate is fixed through a compression spring and an inner hexagonal cylindrical head screw, and the compression spring presses the positioning plate on the first end face of the speed regulating lever.
The oil mass plunger contacts the surface of the locating plate, and the thickness of the locating plate is 1.8+/-0.05 mm.
The positioning plate is fixed through four compression springs and two inner hexagonal cylindrical head screws, and each inner hexagonal cylindrical head screw is sleeved with two compression springs.
The speed regulating lever is connected with the starting and thickening assembly and the fuel injection pump, and the starting and thickening assembly comprises a speed regulating eccentric shaft, a starting and thickening jacket, a sealing ring and a thickening spring.
The beneficial effects achieved by adopting the technical proposal of the utility model are as follows:
according to the utility model, the connecting plate is fixed on the workbench, the connecting plate is welded and fixed with the bottom plate, the positioning plate is fixed through four cylindrical compression springs and two inner hexagonal cylindrical head screws, the two cylindrical heads are respectively arranged on the first base plate and the second base plate, two through holes (a hole I and a hole II) of the speed regulating lever are fixed on the two cylindrical pins, the positioning plate is clamped on the oil mass plunger and has the thickness of 1.8+/-0.05 mm, and when the oil mass plunger is regulated, the regulating screw of the oil mass correcting device is loosened, the regulating block contacts with the positioning plate, and then the regulating screw is fixed, so that the gap of the oil mass plunger is ensured to be 1.8+/-0.05 mm.
Drawings
FIG. 1 is a diagram of an injection pump assembly of the present utility model;
FIG. 2 is a schematic diagram of an adjusting device according to the present utility model;
FIG. 3 is a schematic view in the direction A of FIG. 2;
FIG. 4 is a start-up enrichment assembly of the present utility model;
FIG. 5 is a cross-sectional view of a start-up enrichment assembly of the present utility model;
fig. 6 is a schematic view of the structure of the governor lever of the present utility model.
Detailed Description
The present technical solution is described in detail below with reference to specific embodiments.
As shown in fig. 1-6, the utility model discloses a vertical single cylinder diesel oil plunger adjusting device, which comprises a speed regulating lever 4 and an oil quantity correcting device 100, wherein the oil quantity correcting device comprises an oil quantity plunger 15, a plunger spring, an adjusting block 14 and an adjusting screw 16, the speed regulating lever 4 is connected with a starting and thickening assembly 200 and an oil injection pump 101, the oil quantity plunger adjusting device also comprises a connecting plate 11, a positioning plate 6 and a bottom plate 3, two ends of the speed regulating lever 4 are provided with a first hole 41 and a second hole 42, an oil injection pump oil rack 102 of the oil injection pump 101 is inserted into the first hole 41, the connecting plate is welded with the bottom plate, a first base plate 12 and a second base plate 13 are fixed on the bottom plate, a first base plate 12 and a second base plate 13 are respectively fixed on the inner hexagon cylinder head screws 1, a cylindrical pin 2 for fixing through holes of the adjusting lever is arranged on the first base plate and the second base plate, the positioning plate 6 is clamped on the oil quantity plunger, and the positioning plate is fixed by four cylinder compression springs 7 and two compression springs are sleeved on each inner hexagon cylinder head screw. The compression spring presses the positioning plate against the first end surface 40 of the governor lever.
The thickness of the locating plate is 1.8+/-0.05 mm.
The starting and enriching assembly comprises a speed regulating eccentric shaft 24, a starting and enriching jacket 23, a sealing ring 22 and an enriching spring 25. An eccentric shaft cover 21 is arranged above the speed regulating eccentric shaft 24, a sealing ring 28 is arranged at the top of the eccentric shaft cover 21, the eccentric shaft cover 21 is connected with a key ring 31, and a locking screw 27, a set screw 29 and a nut 30 are arranged on the outer side of the starting and thickening jacket 23.
After the oil mass plunger adjusting mechanism is adopted, the gap of the oil mass plunger can be adjusted through the thickness of the locating plate and is fixed through the adjusting block, so that the gap of the plunger is ensured to be within 1.8+/-0.05 mm, the design requirement is met, and the consistency and the stability of oil mass supply of the oil injection pump are ensured. The working process of the adjusting mechanism is as follows: loosening the adjusting screw 16 of the oil quantity correcting device to loosen the adjusting block 14, referring to fig. 3 and 6, inserting two through holes of the speed regulating lever on the two round pins 2, pulling the gap of the oil quantity plunger open and clamping on the positioning plate, attaching one side of the positioning plate to the first end face 40, contacting the other end face with the oil quantity plunger 15 through the adjusting block 14, screwing the adjusting screw 16 to fix the position of the adjusting block 14, and removing the speed regulating lever to ensure that the gap t of the oil quantity plunger is 1.8+/-0.05 mm.
The foregoing is merely a preferred embodiment of the present utility model, and it should be noted that modifications and improvements could be made by those skilled in the art without departing from the inventive concept, which falls within the scope of the present utility model.
Claims (4)
1. The utility model provides a vertical single cylinder diesel oil mass plunger adjusting device, includes speed governing lever and oil mass correcting unit, oil mass correcting unit includes oil mass plunger, plunger spring, adjusting block, adjusting screw, its characterized in that: the oil level regulating device comprises a speed regulating lever, and is characterized by further comprising a connecting plate, a positioning plate and a bottom plate, wherein the connecting plate is welded with the bottom plate, a first base plate and a second base plate are fixed on the bottom plate, cylindrical pins for fixing the through holes of the regulating lever are arranged on the first base plate and the second base plate, the positioning plate is inserted into a gap of the oil level plunger, the positioning plate is fixed through a compression spring and an inner hexagonal cylindrical head screw, and the compression spring presses the positioning plate on the first end face of the speed regulating lever.
2. The vertical single cylinder diesel fuel quantity plunger adjusting device according to claim 1, wherein: the oil mass plunger contacts the surface of the locating plate, and the thickness of the locating plate is 1.8+/-0.05 mm.
3. The vertical single cylinder diesel fuel quantity plunger adjusting device according to claim 2, wherein: the positioning plate is fixed through four compression springs and two inner hexagonal cylindrical head screws, and each inner hexagonal cylindrical head screw is sleeved with two compression springs.
4. The vertical single cylinder diesel fuel quantity plunger adjusting device according to claim 3, wherein: the speed regulating lever is connected with the starting and thickening assembly and the fuel injection pump, and the starting and thickening assembly comprises a speed regulating eccentric shaft, a starting and thickening jacket, a sealing ring and a thickening spring.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320447575.2U CN219549010U (en) | 2023-03-10 | 2023-03-10 | Oil quantity plunger adjusting device of vertical single-cylinder diesel engine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320447575.2U CN219549010U (en) | 2023-03-10 | 2023-03-10 | Oil quantity plunger adjusting device of vertical single-cylinder diesel engine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219549010U true CN219549010U (en) | 2023-08-18 |
Family
ID=87704060
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320447575.2U Active CN219549010U (en) | 2023-03-10 | 2023-03-10 | Oil quantity plunger adjusting device of vertical single-cylinder diesel engine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219549010U (en) |
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2023
- 2023-03-10 CN CN202320447575.2U patent/CN219549010U/en active Active
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