CN112901386B - Oil valve plunger assembly and high-pressure oil pump - Google Patents
Oil valve plunger assembly and high-pressure oil pump Download PDFInfo
- Publication number
- CN112901386B CN112901386B CN202110234685.6A CN202110234685A CN112901386B CN 112901386 B CN112901386 B CN 112901386B CN 202110234685 A CN202110234685 A CN 202110234685A CN 112901386 B CN112901386 B CN 112901386B
- Authority
- CN
- China
- Prior art keywords
- oil
- valve
- oil inlet
- outlet
- channel
- 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.)
- Active
Links
- 238000007789 sealing Methods 0.000 claims description 54
- 229910000831 Steel Inorganic materials 0.000 claims description 16
- 239000010959 steel Substances 0.000 claims description 16
- 239000003921 oil Substances 0.000 description 231
- 239000000306 component Substances 0.000 description 7
- 239000000446 fuel Substances 0.000 description 6
- 239000000295 fuel oil Substances 0.000 description 4
- 230000009286 beneficial effect Effects 0.000 description 3
- 238000009434 installation Methods 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 230000002349 favourable effect Effects 0.000 description 2
- 238000002347 injection Methods 0.000 description 2
- 239000007924 injection Substances 0.000 description 2
- 238000003801 milling Methods 0.000 description 2
- 238000005299 abrasion Methods 0.000 description 1
- 230000006978 adaptation Effects 0.000 description 1
- 239000008358 core component Substances 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000010720 hydraulic oil Substances 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000005457 optimization Methods 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02M—SUPPLYING COMBUSTION ENGINES IN GENERAL WITH COMBUSTIBLE MIXTURES OR CONSTITUENTS THEREOF
- F02M59/00—Pumps specially adapted for fuel-injection and not provided for in groups F02M39/00 -F02M57/00, e.g. rotary cylinder-block type of pumps
- F02M59/02—Pumps specially adapted for fuel-injection and not provided for in groups F02M39/00 -F02M57/00, e.g. rotary cylinder-block type of pumps of reciprocating-piston or reciprocating-cylinder type
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02M—SUPPLYING COMBUSTION ENGINES IN GENERAL WITH COMBUSTIBLE MIXTURES OR CONSTITUENTS THEREOF
- F02M59/00—Pumps specially adapted for fuel-injection and not provided for in groups F02M39/00 -F02M57/00, e.g. rotary cylinder-block type of pumps
- F02M59/44—Details, components parts, or accessories not provided for in, or of interest apart from, the apparatus of groups F02M59/02 - F02M59/42; Pumps having transducers, e.g. to measure displacement of pump rack or piston
- F02M59/46—Valves
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02M—SUPPLYING COMBUSTION ENGINES IN GENERAL WITH COMBUSTIBLE MIXTURES OR CONSTITUENTS THEREOF
- F02M59/00—Pumps specially adapted for fuel-injection and not provided for in groups F02M39/00 -F02M57/00, e.g. rotary cylinder-block type of pumps
- F02M59/44—Details, components parts, or accessories not provided for in, or of interest apart from, the apparatus of groups F02M59/02 - F02M59/42; Pumps having transducers, e.g. to measure displacement of pump rack or piston
- F02M59/46—Valves
- F02M59/462—Delivery valves
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02M—SUPPLYING COMBUSTION ENGINES IN GENERAL WITH COMBUSTIBLE MIXTURES OR CONSTITUENTS THEREOF
- F02M59/00—Pumps specially adapted for fuel-injection and not provided for in groups F02M39/00 -F02M57/00, e.g. rotary cylinder-block type of pumps
- F02M59/44—Details, components parts, or accessories not provided for in, or of interest apart from, the apparatus of groups F02M59/02 - F02M59/42; Pumps having transducers, e.g. to measure displacement of pump rack or piston
- F02M59/48—Assembling; Disassembling; Replacing
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Check Valves (AREA)
- Safety Valves (AREA)
Abstract
The invention discloses an oil valve plunger assembly, comprising: the oil valve assembly, the plunger sleeve and the oil control valve tightening cap are sequentially assembled on the plunger sleeve, the oil valve assembly comprises a valve seat, an oil inlet valve spring seat and an oil outlet one-way ball valve, an oil inlet channel and an oil outlet channel are formed in the valve seat, the oil inlet valve is installed in the oil inlet channel, the lower end of the oil inlet valve is matched with the outlet of the oil inlet channel, the oil inlet valve spring seat is installed at the upper end of the oil inlet valve, two ends of the oil inlet valve spring are respectively abutted against the valve seat and the oil inlet valve spring seat, and the oil outlet one-way ball valve is installed at the oil outlet of the oil outlet channel. Also disclosed is a high pressure oil pump comprising the above oil valve plunger assembly.
Description
Technical Field
The invention relates to the technical field of high-pressure oil pumps, in particular to an oil valve plunger assembly and a high-pressure oil pump.
Background
In order to reduce the emission of the diesel engine, the electric control fuel injection technology is widely applied, so that more optimization requirements are also provided for a fuel injection system of the diesel engine, the application environment of road and non-road machinery is based on the original road and meeting, and the problems of high processing difficulty and high cost of products are also overcome.
The oil valve component is used as one of the core components of the high-pressure oil pump, the existing high-pressure oil pump is usually provided with an oil inlet valve and an oil outlet valve which are separated, the oil inlet valve and the oil outlet valve are respectively arranged at different positions of the plunger component, if faults occur, the oil inlet valve and the oil outlet valve are inconvenient to replace and maintain, the whole replacement can cause a plurality of unnecessary wastes, an oil inlet-outlet two-way structure is adopted, the radial arrangement occupied space is large, the clearance volume of the plunger is increased, the volumetric efficiency of the high-pressure oil pump is reduced, the quick opening of the oil valve component is not facilitated, or a deep hole sealing processing structure exists, and the processing is difficult.
Disclosure of Invention
The embodiment of the invention aims to provide an oil valve plunger assembly and a high-pressure oil pump, which are used for solving the problems that the arrangement of the existing oil valve components is large in occupied space, a sealing structure is difficult to process, the clearance volume of a plunger is large and the volumetric efficiency of the high-pressure oil pump is low.
According to a first aspect of an embodiment of the present invention, there is provided an oil valve plunger assembly comprising: the oil valve assembly, the plunger sleeve and the oil control valve tightening cap are sequentially assembled on the plunger sleeve, the oil valve assembly comprises a valve seat, an oil inlet valve spring seat and an oil outlet one-way ball valve, an oil inlet channel and an oil outlet channel are formed in the valve seat, the oil inlet valve is installed in the oil inlet channel, the lower end of the oil inlet valve is matched with the outlet of the oil inlet channel, the oil inlet valve spring seat is installed at the upper end of the oil inlet valve, two ends of the oil inlet valve spring are respectively abutted against the valve seat and the oil inlet valve spring seat, and the oil outlet one-way ball valve is installed at the oil outlet of the oil outlet channel.
Further, the oil outlet one-way ball valve comprises an oil outlet valve sealing steel ball and an oil outlet valve spring, and the oil outlet valve spring presses the oil outlet valve sealing steel ball to an oil outlet of the oil outlet channel for outlet.
Further, the valve seat is also provided with a mounting hole for mounting the pin.
Further, an oil inlet containing cavity is formed by the valve seat, the inner wall of the plunger sleeve and the inner wall of the oil control valve tightening cap, and an inlet of the oil inlet channel is communicated with the oil inlet containing cavity.
Further, an oil inlet is formed in the plunger sleeve and communicated with the oil inlet containing cavity.
Further, an oil inlet is formed in the plunger sleeve, and an oil inlet valve filter screen is arranged between the oil inlet and the oil inlet containing cavity.
Further, an oil outlet is formed in the oil control valve tightening cap, and the oil outlet is communicated with the outlet of the oil outlet one-way ball valve.
Further, an outlet of the oil inlet channel is designed into a sealing ring belt, a sealing surface is arranged at the lower end of the oil inlet valve and matched with the sealing ring belt, an outlet of the oil outlet channel is designed into a sealing conical surface, and the oil outlet valve sealing steel ball is arranged on the sealing conical surface and is attached to the sealing conical surface.
Further, the middle part of the oil inlet valve is milled flat.
According to a second aspect of embodiments of the present invention, there is provided a high pressure oil pump comprising the oil valve plunger assembly of the first aspect.
The technical scheme provided by the embodiment of the application can comprise the following beneficial effects:
according to the embodiment, the oil inlet channel and the oil outlet channel are formed in the valve seat, so that the installation space is saved by the compact space design of the valve seat on the basis of ensuring the strength of the part, and the oil inlet channel and the oil outlet channel which can be mutually parallel are integrated.
The large end of the oil inlet valve effectively reduces the clearance volume of the plunger on the valve seat while ensuring the strength of the oil inlet valve, has a favorable effect on the volume rate of the high-pressure oil pump, and is beneficial to the oil supply capacity improvement of the high-pressure oil pump.
The valve seat can be integrated with a plurality of sealing structures, and comprises a sealing ring belt sealed with the plunger sleeve, a sealing surface sealed with the oil inlet valve and a sealing conical surface sealed with the oil outlet valve sealing steel ball, wherein the sealing structures are compact, the oil inlet and outlet oil paths are shortened to the greatest extent, so that the clearance volume of the plunger is further reduced, and the oil supply capacity of the high-pressure oil pump is improved.
It is to be understood that both the foregoing general description and the following detailed description are exemplary and explanatory only and are not restrictive of the application.
Drawings
In order to more clearly illustrate the technical solution of the present invention, the drawings that are used in the description of the embodiments will be briefly described. It is apparent that the drawings in the following description are only specific embodiments described in the present application and are not intended to limit the scope of the invention. It will be obvious to those skilled in the art that many other embodiments and figures may be made according to the following embodiments of the invention and the accompanying drawings without undue effort.
FIG. 1 is a schematic cross-sectional structural view of an oil valve plunger assembly according to one embodiment of the present invention;
FIG. 2 is a schematic cross-sectional structural view of an oil valve assembly according to one embodiment of the present invention;
FIG. 3 is a schematic view of a valve seat according to one embodiment of the present invention, wherein (a), (b) are two isometric views from different angles;
FIG. 4 is a schematic view of an oil inlet valve according to one embodiment of the invention;
FIG. 5 is a schematic illustration of an oil intake valve spring seat according to one embodiment of the present invention;
in the figure: 1 is a valve seat, 2 is an oil inlet valve, 3 is an oil inlet valve spring, 4 is an oil inlet valve spring seat, 5 is a pin, 41 is a substitute oil inlet valve spring seat, 42 is a snap ring, 6 is an oil outlet valve sealing steel ball, 101 is an oil inlet valve spring seat placement step, 102 is a mounting hole, 103 is a sealing conical surface, 104 is a sealing ring belt, 105 is a sealing surface, 201 is a sealing circular arc, 202 is a milling flat, 204 is a press-fit shaft diameter, 205 is a guide shaft, 401 is an introduction angle, 402 is a limiting diameter, 7 is a plunger sleeve, 8 is a plunger clearance volume, 9 is an oil inlet valve filter screen, 10 is an oil inlet containing cavity, 11 is an oil control valve tightening cap, 12 is an oil outlet valve spring, 13 is an oil outlet containing cavity, and 14 is a plunger.
Detailed Description
Reference will now be made in detail to exemplary embodiments, examples of which are illustrated in the accompanying drawings. When the following description refers to the accompanying drawings, the same numbers in different drawings refer to the same or similar elements, unless otherwise indicated. The implementations described in the following exemplary examples are not representative of all implementations consistent with the present application. Rather, they are merely examples of apparatus and methods consistent with some aspects of the present application as detailed in the accompanying claims.
The terminology used in the present application is for the purpose of describing particular embodiments only and is not intended to be limiting of the present application. As used in this application and the appended claims, the singular forms "a," "an," and "the" are intended to include the plural forms as well, unless the context clearly indicates otherwise. It should also be understood that the term "and/or" as used herein refers to and encompasses any or all possible combinations of one or more of the associated listed items.
As shown in fig. 1 and 2, an embodiment of the present invention provides an oil valve plunger assembly, including: the oil valve assembly, the plunger sleeve 7 and the oil control valve tightening cap 11 are sequentially assembled on the plunger sleeve 7, the oil valve assembly comprises a valve seat 1, an oil inlet valve 2, an oil inlet valve spring 3, an oil inlet valve spring seat 4 and an oil outlet one-way ball valve, an oil inlet channel and an oil outlet channel are formed in the valve seat 1, the oil inlet valve 2 is installed in the oil inlet channel, the lower end of the oil inlet valve 2 is matched with an outlet of the oil inlet channel, the oil inlet valve spring seat 4 is installed at the upper end of the oil inlet valve 2, two ends of the oil inlet valve spring 3 are respectively abutted against the valve seat 1 and the oil inlet valve spring seat 4, and the oil outlet one-way ball valve is installed at an oil outlet of the oil outlet channel.
Referring to fig. 1, in this embodiment, an oil inlet cavity 10 is formed by the valve seat 1, the inner wall of the plunger sleeve 7, and the inner wall of the oil control valve tightening cap 11, an inlet of the oil inlet channel is communicated with the oil inlet cavity 10, an oil inlet is formed on the plunger sleeve 7, and the oil inlet is communicated with the oil inlet cavity 10. An oil outlet cavity 13 is formed in the oil control valve tightening cap 11, and the oil outlet one-way ball valve is arranged in the oil outlet cavity 13. An oil outlet is formed in the oil control valve tightening cap 11 and is communicated with an outlet of the oil outlet one-way ball valve.
When the hydraulic oil pump is used, the plunger 14 is arranged at the lower end of the plunger sleeve 7, the volume formed by the lower surface of the valve seat 1, the inner wall of the plunger sleeve 7 and the upper end surface of the plunger 14 is called a plunger clearance volume 8, the plunger sleeve 7 is fixed on a high-pressure oil pump through bolts, when the high-pressure oil pump works, fuel enters the oil inlet containing cavity 10, when the plunger 14 descends, the oil inlet valve 2 is opened under the influence of the pressure of the oil inlet containing cavity 10, fuel enters the plunger clearance volume 8 from an oil inlet channel, the pressure of the oil inlet containing cavity 10 descends, the oil inlet valve 2 is closed under the action of the spring force of the oil inlet valve, and when the plunger 14 descends, the oil outlet one-way ball valve is in a closed state; the plunger 14 moves upwards, the oil outlet one-way ball valve is opened under the influence of the pressure in the plunger clearance volume 8, the fuel enters the oil outlet cavity 13 from the plunger clearance volume 8, and flows out of the high-pressure oil pump through the oil passage on the oil control valve tightening cap 11, and the oil valve component completes a working cycle.
Referring to fig. 1 and 2, in this embodiment, the oil outlet unidirectional ball valve includes an oil outlet valve sealing steel ball 6 and an oil outlet valve spring 12, and the oil outlet valve spring 12 presses the oil outlet valve sealing steel ball 6 to an oil outlet of the oil outlet channel for outlet.
In this example, open on the disk seat 1 has oil feed passageway and play oil passageway, the compact design of space of make full use of disk seat 1 practices thrift the installation space on the basis of guaranteeing part intensity, has integrated oil feed passageway and play oil passageway that can be parallel to each other.
Specifically, referring to fig. 3 and fig. 4, the oil inlet channel may be a stepped hole, and is communicated with the oil inlet containing cavity 10 and the plunger clearance volume 8, and the middle is sealed by the oil inlet valve 2, the oil inlet valve 2 passes through the stepped hole of the valve seat 1, and the oil inlet valve spring 3 and the oil inlet valve spring seat 4 are sleeved on the oil inlet valve 2 in sequence, and are fixed by interference fit with the press-fit shaft diameter 204 of the oil inlet valve 2 through the oil inlet valve spring seat 4; the interference fit fixation can be replaced by using a substitute spring seat 41 and a snap ring 42, the oil inlet valve 2 is required to be adjusted, the guide shaft 205 (namely a shaft section at the upper end of the oil inlet valve 2) is prolonged, a snap ring limiting ring groove is additionally arranged on the guide shaft 205, and the substitute spring seat 41 is attached to the snap ring 42; the guide shaft 205 plays a role in guiding the oil inlet valve spring 3, one end of the oil inlet valve spring 3 is propped against the placing step of the oil inlet valve spring seat 3 on the valve seat 1, and the other end is propped against the oil inlet valve spring seat 3. The outlet of the oil inlet channel is designed into a sealing surface 105, the lower end of the oil inlet valve 2 is provided with a sealing arc 201, the sealing arc 201 is matched with the sealing surface 105, the sealing performance is better after the sealing form is used for a long time, the leakage risk can be reduced, and the structure of the oil valve part is more reliable. The milling part 202 is arranged in the middle of the oil inlet valve 2, so that the smooth circulation of liquid can be ensured, and the weight of the oil inlet valve 2 can be controlled, so that the performance of an oil valve part is more stable; the large end of the oil inlet valve 2 effectively reduces the plunger clearance volume on the valve seat 1 while ensuring the strength of the oil inlet valve 2, has a favorable effect on the volume rate of the high-pressure oil pump, and is beneficial to the oil supply capacity improvement of the high-pressure oil pump.
Referring to fig. 3, the oil outlet channel can be a through hole, which is communicated with the plunger clearance volume 8 and the oil outlet cavity 10, and the middle is separated and sealed by an oil outlet valve sealing steel ball 6; the outlet of the oil outlet channel is designed into a sealing conical surface 103, and the oil outlet valve sealing steel ball 6 is arranged on and attached to the sealing conical surface 103.
The valve seat 1 is integrated with a plurality of sealing structures, and comprises a sealing ring belt 104 sealed with the plunger sleeve 7, a sealing surface 105 sealed with the oil inlet valve 2 and a sealing conical surface 103 sealed with the oil outlet valve sealing steel ball 6, and the sealing structures are arranged in a compact way, so that the oil inlet and outlet ways are shortened to the greatest extent, the plunger clearance volume 8 is reduced, and the oil supply capacity of the high-pressure oil pump is improved; the sealing ring 104 can adopt a ring belt form, a wedge-shaped sealing or plane form, and a mode can be selected according to actual processing capacity and a matching piece form.
Referring to fig. 3, in this embodiment, the valve seat 1 is further provided with a mounting hole 102 for mounting the pin 5, the pin 5 is used for being connected with the oil control valve tightening cap 11, when the valve seat 1 is assembled with the oil control valve tightening cap 11, the pin 5 is used for accurately positioning the circumferential mounting position between two parts, so that abrasion caused by unidirectional offset of the oil inlet valve 2 and the oil outlet valve sealing steel ball 6 in the oil inlet volume 10 and the oil outlet volume 13 due to overlarge rotation quantity in the circumferential direction is avoided, the service life is reduced, the pin 6 can be positioned by using a common cylindrical pin or can be connected with a matching piece by using an elastic pin, and the matching and fixing between the parts are firmer and more reliable.
Referring to fig. 1, in this embodiment, an oil inlet is formed in the plunger sleeve 7, and an oil inlet valve screen 9 is disposed between the oil inlet and the oil inlet cavity 10. The fuel oil entering the plunger clearance volume 8 is filtered, so that impurity particles in the fuel oil are prevented from entering the plunger clearance volume 8, and then enter a fit gap of a plunger matching part, damage is caused to the matching part, and the service life of a product is reduced.
Referring to fig. 5, in this embodiment, the oil inlet valve spring seat 4 is provided with an introduction angle 401 and a limiting diameter 402, so that the installation position of the oil inlet valve spring 3 is more accurate, and the opening and closing of the oil inlet valve 2 are more stable.
The embodiment of the invention also provides a high-pressure oil pump which comprises the oil valve plunger assembly. The oil valve component is fixed with the oil control valve tightening cap 11 through the oil inlet valve filter screen 9 and then is arranged in the plunger sleeve 7, the plunger sleeve 7 is fixed on the high-pressure oil pump through bolts, when the high-pressure oil pump works, fuel oil enters the oil inlet cavity 10 after being filtered by the oil inlet valve filter screen 9, when the plunger 14 descends, the oil inlet valve 2 is opened under the influence of the pressure of the oil inlet cavity, the fuel oil enters the plunger clearance volume 8 from the oil inlet cavity 10, the pressure of the oil inlet cavity is reduced, the oil inlet valve 2 is closed under the action of the spring force of the oil inlet valve, and the oil outlet valve sealing steel ball 6 is in a closed state in the descending process of the plunger 14; the plunger 14 moves upwards, the oil outlet valve sealing steel ball 6 is opened under the influence of the pressure in the plunger clearance volume 8, the fuel enters the oil outlet cavity 13 from the plunger clearance volume 8, and flows out of the high-pressure oil pump through the oil way on the oil control valve tightening cap 11, and the oil valve component completes a working cycle.
Other embodiments of the present application will be apparent to those skilled in the art from consideration of the specification and practice of the disclosure herein. This application is intended to cover any variations, uses, or adaptations of the application following, in general, the principles of the application and including such departures from the present disclosure as come within known or customary practice within the art to which the application pertains. It is intended that the specification and examples be considered as exemplary only, with a true scope and spirit of the application being indicated by the following claims.
It is to be understood that the present application is not limited to the precise arrangements and instrumentalities shown in the drawings, which have been described above, and that various modifications and changes may be effected without departing from the scope thereof. The scope of the application is limited only by the appended claims.
Claims (2)
1. An oil valve plunger assembly, comprising: the oil valve assembly, the plunger sleeve and the oil control valve tightening cap are sequentially assembled on the plunger sleeve, the oil valve assembly comprises a valve seat, an oil inlet valve spring seat and an oil outlet one-way ball valve, an oil inlet channel and an oil outlet channel are formed in the valve seat, the oil inlet valve is installed in the oil inlet channel, the lower end of the oil inlet valve is matched with an outlet of the oil inlet channel, the oil inlet valve spring seat is installed at the upper end of the oil inlet valve, and two ends of the oil inlet valve spring are respectively abutted against the valve seat and the oil inlet valve spring seat;
the oil outlet one-way ball valve is arranged at an oil outlet of the oil outlet channel;
the oil outlet one-way ball valve comprises an oil outlet valve sealing steel ball and an oil outlet valve spring, and the oil outlet valve spring presses the oil outlet valve sealing steel ball to an oil outlet of the oil outlet channel to be discharged;
the valve seat is also provided with a mounting hole for mounting a pin; the valve seat, the inner wall of the plunger sleeve and the inner wall of the oil control valve tightening cap form an oil inlet containing cavity, and an inlet of the oil inlet channel is communicated with the oil inlet containing cavity;
an oil inlet is formed in the plunger sleeve and is communicated with the oil inlet accommodating cavity; an oil inlet is formed in the plunger sleeve, and an oil inlet valve filter screen is arranged between the oil inlet and the oil inlet accommodating cavity;
an oil outlet is formed in the oil control valve tightening cap and is communicated with an outlet of the oil outlet one-way ball valve;
the outlet of the oil inlet channel is designed as a sealing ring belt, the lower end of the oil inlet valve is provided with a sealing surface matched with the sealing ring belt, the outlet of the oil outlet channel is designed as a sealing conical surface, and the oil outlet valve sealing steel ball is arranged on the sealing conical surface and is attached to the sealing conical surface;
the middle part of the oil inlet valve is milled flat.
2. A high pressure oil pump comprising the oil valve plunger assembly of claim 1.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110234685.6A CN112901386B (en) | 2021-03-03 | 2021-03-03 | Oil valve plunger assembly and high-pressure oil pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110234685.6A CN112901386B (en) | 2021-03-03 | 2021-03-03 | Oil valve plunger assembly and high-pressure oil pump |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN112901386A CN112901386A (en) | 2021-06-04 |
| CN112901386B true CN112901386B (en) | 2024-03-19 |
Family
ID=76107557
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110234685.6A Active CN112901386B (en) | 2021-03-03 | 2021-03-03 | Oil valve plunger assembly and high-pressure oil pump |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN112901386B (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2267320A (en) * | 1992-05-15 | 1993-12-01 | Bosch Gmbh Robert | Pressure-equalising delivery valve assembly. |
| CN203161404U (en) * | 2013-02-04 | 2013-08-28 | 辽宁新风企业集团有限公司 | Oil valve component for high-pressure oil pump |
| CN103967670A (en) * | 2013-02-04 | 2014-08-06 | 辽宁新风企业集团有限公司 | Oil valve part for high-pressure oil pump |
| CN109763925A (en) * | 2019-01-30 | 2019-05-17 | 珠海安瑾动力科技有限公司 | A kind of high-pressure fuel-feed pump pump head component |
| CN214577479U (en) * | 2021-03-03 | 2021-11-02 | 上海钧风电控科技有限公司 | Oil valve plunger assembly and high-pressure oil pump |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| ITBO20010625A1 (en) * | 2001-10-12 | 2003-04-12 | Magneti Marelli Powertrain Spa | VARIABLE FLOW HIGH PRESSURE PUMP |
-
2021
- 2021-03-03 CN CN202110234685.6A patent/CN112901386B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2267320A (en) * | 1992-05-15 | 1993-12-01 | Bosch Gmbh Robert | Pressure-equalising delivery valve assembly. |
| CN203161404U (en) * | 2013-02-04 | 2013-08-28 | 辽宁新风企业集团有限公司 | Oil valve component for high-pressure oil pump |
| CN103967670A (en) * | 2013-02-04 | 2014-08-06 | 辽宁新风企业集团有限公司 | Oil valve part for high-pressure oil pump |
| CN109763925A (en) * | 2019-01-30 | 2019-05-17 | 珠海安瑾动力科技有限公司 | A kind of high-pressure fuel-feed pump pump head component |
| CN214577479U (en) * | 2021-03-03 | 2021-11-02 | 上海钧风电控科技有限公司 | Oil valve plunger assembly and high-pressure oil pump |
Also Published As
| Publication number | Publication date |
|---|---|
| CN112901386A (en) | 2021-06-04 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN102639862A (en) | Common rail fuel pump with combined discharge and overpressure relief valves | |
| KR20120038459A (en) | Fuel supply system for an internal combustion engine | |
| US20090121049A1 (en) | Internal lower fuel injector filter | |
| CN104160141A (en) | Pump head for a fuel pump | |
| CN105134440B (en) | Use for diesel engine improves the high-pressure fuel injection pump assembly of structure single cylinder | |
| CN110578684B (en) | Radial plunger pump/motor and flow distribution structure thereof | |
| KR20130085039A (en) | Electrically-operated valva | |
| CN214577479U (en) | Oil valve plunger assembly and high-pressure oil pump | |
| CN112901386B (en) | Oil valve plunger assembly and high-pressure oil pump | |
| CN107989730A (en) | A kind of high voltage common rail pump and for its into oil outlet valve component | |
| CN111075625A (en) | Overflow valve with two-stage opening pressure to control flow | |
| DE3236536C2 (en) | Hydraulic high pressure pump | |
| CN219809447U (en) | One-way valve | |
| DE112014002994T5 (en) | High pressure fuel pump | |
| CN214577480U (en) | Oil valve plunger assembly and high-pressure oil pump | |
| CN110671249A (en) | Distribution pump plunger with oil outlet valve and working method thereof | |
| EP1857667B1 (en) | High-pressure fuel pump | |
| CN112901387A (en) | Oil valve plunger assembly and high-pressure oil pump | |
| CN112901388A (en) | Lightweight large-flow oil valve plunger assembly and high-pressure oil pump | |
| JP2014181578A (en) | Radial piston type hydraulic machine and wind power generation apparatus | |
| DE19725564A1 (en) | Radial piston pump | |
| JP6127851B2 (en) | High pressure pump | |
| CN203202317U (en) | No-load running check valve | |
| KR101942358B1 (en) | Pressure regulating valve and lubricant supplying constructure using the same | |
| CN216009670U (en) | Meter front valve |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| TA01 | Transfer of patent application right |
Effective date of registration: 20230525 Address after: 225500 No. 1, Shuguang Middle Road, Baimi Town, Jiangyan District, Taizhou City, Jiangsu Province Applicant after: Junfeng electric control technology (Taizhou) Co.,Ltd. Address before: Room 211, building 21, 1158 Jiuting Central Road, Jiuting Town, Songjiang District, Shanghai, 201615 Applicant before: Shanghai Junfeng Electric Control Technology Co.,Ltd. |
|
| TA01 | Transfer of patent application right | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |