CN106351760A - High-pressure common-rail fuel metering valve - Google Patents
High-pressure common-rail fuel metering valve Download PDFInfo
- Publication number
- CN106351760A CN106351760A CN201610928218.2A CN201610928218A CN106351760A CN 106351760 A CN106351760 A CN 106351760A CN 201610928218 A CN201610928218 A CN 201610928218A CN 106351760 A CN106351760 A CN 106351760A
- Authority
- CN
- China
- Prior art keywords
- metering valve
- fixedly connected
- valve body
- fuel metering
- pressure common
- 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.)
- Pending
Links
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02D—CONTROLLING COMBUSTION ENGINES
- F02D41/00—Electrical control of supply of combustible mixture or its constituents
- F02D41/30—Controlling fuel injection
- F02D41/38—Controlling fuel injection of the high pressure type
- F02D41/3809—Common rail control systems
- F02D41/3836—Controlling the fuel pressure
- F02D41/3845—Controlling the fuel pressure by controlling the flow into the common rail, e.g. the amount of fuel pumped
-
- 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
- F02M55/00—Fuel-injection apparatus characterised by their fuel conduits or their venting means; Arrangements of conduits between fuel tank and pump F02M37/00
- F02M55/02—Conduits between injection pumps and injectors, e.g. conduits between pump and common-rail or conduits between common-rail and injectors
- F02M55/025—Common rails
Abstract
The invention discloses a high-pressure common-rail fuel metering valve. The high-pressure common-rail fuel metering valve comprises a metering valve body, wherein a protective cover is fixedly connected at the top part of the metering valve body; a head part is fixedly connected at the top part of the protective cover; an electrode joint is fixedly connected at the right side of the head part; the left side and the right side of the metering valve body are respectively and fixedly connected with an installing plate; a connecting part is fixedly connected at the bottom part of the metering valve body; a joint is arranged in the electrode joint; and a shell is arranged at the top part of the metering valve body. The high-pressure common-rail fuel metering valve disclosed by the invention has the advantages that a valve core is arranged in the connecting part by a spring seat, so that the processing of the spring seat is simple, and the debugging is convenient; the installing plates are arranged at the outer side of the metering valve body, so that the assembly is convenient; by arrangement of the sealing ring, a first O-shaped sealing ring and a second O-shaped sealing ring, the sealing property of the fuel metering valve is improved, the sealing performance of the fuel metering valve is good; by arrangement of the protective cover, the metering valve body can be effectively protected and the metering valve can be prevented from being damaged, so that the quality of structure manufacture of the fuel metering valve can reach the standard.
Description
Technical field
The present invention relates to fuel metering valve technical field, specially a kind of high-pressure common rail fuel metering valve.
Background technology
Existing high-pressure common rail fuel metering valve adjusts high-pressure area fuel oil by controlling the amount of fuel flowing into high-pressure pump
Pressure.But existing fuel metering valve arrangement manufactures difficult to reach prescription.
Content of the invention
(1) technical problem solving
For the deficiencies in the prior art, the invention provides a kind of high-pressure common rail fuel metering valve, solve existing fuel metering
Valve arrangement workmanship problem not up to standard.
(2) technical scheme
For realizing object above, the present invention is achieved by the following technical programs: a kind of high-pressure common rail fuel metering valve, including
Metering valve body, the top of described metering valve body is fixedly connected with protective cover, and the top of described protective cover is fixedly connected with head
Portion, the right side of described head is fixedly connected with electrode contact, and the left side of described metering valve body and right side have been fixedly connected with peace
Dress plate, the bottom of described metering valve body is fixedly connected with connecting portion, described electrode contact be internally provided with joint, described meter
The top of amount valve body is provided with shell, described metering valve body be internally provided with electromagnetic valve, the middle part of described electromagnetic valve is solid
Surely it is connected with push rod, the outside of described push rod is provided with solenoid, and the top of described solenoid is fixedly connected with sealing ring,
The inner side of described solenoid bottom is fixedly connected with an o type sealing ring, and the outside of described connecting portion is provided with connection housing,
Described connecting portion be internally provided with valve element, the bottom of described valve element is provided with fuel feed hole, and the bottom of described valve element is fixedly connected
There is spring base, the top of described spring base is fixedly connected with spring, and the left side of described connecting portion and right side all offer oil outlet.
Preferably, the left side of described joint is fixedly connected with connecting line, and the other end of described connecting line is fixedly connected on electricity
The top of magnetic coil, the connecting line that passes on left of described joint is fixedly connected with the top of solenoid.
Preferably, the bottom of described push rod is connected with the top movable of valve element.
Preferably, the outside of described connecting portion opens up fluted, and the inside of described groove is fixedly connected with the 2nd o type sealing
Circle.
(3) beneficial effect
The invention provides a kind of high-pressure common rail fuel metering valve, possess following beneficial effect:
This high-pressure common rail fuel metering valve, valve element is arranged in connecting portion by spring base, so that the processing of spring base is simple,
Debugging is convenient, and by being provided with metering valve outer body, installing plate is convenient for assembly, and by arranging sealing ring, an o type seals
Circle and the 2nd o type sealing ring improve the sealing of fuel metering valve, make the good seal performance of fuel metering valve, are protected by setting
Guard shield can effectively carry out protecting the damage placing metering valve to metering valve body, so that what fuel metering valve arrangement manufactured
Requisite quality.
Brief description
Fig. 1 is present configuration schematic diagram；
Fig. 2 is internal structure schematic diagram of the present invention.
In figure: 1 head, 2 electrode contacts, 3 protective covers, 4 metering valve bodies, 5 installing plates, 6 connecting portions, 7 shells, 8 joints,
9 connecting lines, 10 electromagnetic valves, 11 push rods, 12 sealing rings, 13 solenoids, 14 the oneth o type sealing rings, 15 connection housings, 16 valves
Core, 17 fuel feed holes, 18 spring bases, 19 springs, 20 grooves, 21 the 2nd o type sealing rings, 22 oil outlets.
Specific embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is carried out clear, complete
Site preparation description is it is clear that described embodiment is only a part of embodiment of the present invention, rather than whole embodiments.It is based on
Embodiment in the present invention, it is every other that those of ordinary skill in the art are obtained under the premise of not making creative work
Embodiment, broadly falls into the scope of protection of the invention.
Refer to Fig. 1-2, the present invention provides a kind of a kind of technical scheme: high-pressure common rail fuel metering valve, including metering valve
Body 4, the top of metering valve body 4 is fixedly connected with protective cover 3, can effectively to metering valve originally by arranging protective cover 3
Body 4 carries out protecting the damage placing metering valve body 4, and the top of protective cover 3 is fixedly connected with head 1, and the right side of head 1 is fixed
It is connected with electrode contact 2, installing plate 5 has been fixedly connected with the left side of metering valve body 4 and right side by electrode contact 2, has led to
Cross and be provided with that installing plate 5 is convenient for assembly outside metering valve body 4, the bottom of metering valve body 4 is fixedly connected with connecting portion 6,
Electrode contact 2 be internally provided with joint 8, the top of metering valve body 4 is provided with shell 7, by arranging shell to metering valve
Body 4 is protected, and that measures valve body 4 is internally provided with electromagnetic valve 10, and the middle part of electromagnetic valve 10 is fixedly connected with push rod 11,
The outside of push rod 11 is provided with solenoid 13, and the left side of joint 8 is fixedly connected with connecting line 9, and the other end of connecting line 9 is fixed
It is connected to the top of solenoid 13, the connecting line 9 that passes on left of joint 8 is fixedly connected with the top of solenoid 13, electromagnetism
The top of coil 13 is fixedly connected with sealing ring 12, and the inner side of solenoid 13 bottom is fixedly connected with an o type sealing ring 14,
The outside of connecting portion 6 is provided with connection housing 15, connecting portion 6 be internally provided with valve element 16, the bottom of push rod 11 and valve element 16
Top movable connect, the bottom of valve element 16 is provided with fuel feed hole 17, and the bottom of valve element 16 is fixedly connected with spring base 18, valve element
16 are arranged in connecting portion 6 by spring base 18, so that the processing of spring base 18 is simple, debugging is convenient, the top of spring base 18
Portion is fixedly connected with spring 19, and the left side of connecting portion 6 and right side all offer oil outlet 22, and the outside of connecting portion 6 offers recessed
Groove 20, the inside of groove 20 is fixedly connected with the 2nd o type sealing ring 21, by arranging sealing ring 12, an o type sealing ring 14 and
2nd o type sealing ring 21 improves the sealing of fuel metering valve, makes the good seal performance of fuel metering valve, so that fuel oil meter
The requisite quality that amount valve arrangement manufactures.
During use, adjust high-pressure area fuel pressure by controlling the amount of fuel flowing into high-pressure pump, valve element 16 passes through bullet
Spring abutment 18 is arranged in connecting portion 6, so that the processing of spring base 18 is simple, debugging is convenient, by outside metering valve body 4
It is provided with installing plate 5 convenient for assembly, improve by arranging sealing ring 12, an o type sealing ring 14 and the 2nd o type sealing ring 21
The sealing of fuel metering valve, makes the good seal performance of fuel metering valve, can be effectively to metering valve by arranging protective cover 3
Body 1 carries out protecting the damage placing metering valve, so that the requisite quality that fuel metering valve arrangement manufactures.
In sum, this high-pressure common rail fuel metering valve, by arranging protective cover 3, metering valve body 4, installing plate 5, connecting
Socket part 6, connecting line 9, electromagnetic valve 10, push rod 11, sealing ring 12, solenoid 13, an o type sealing ring 14, valve element 16, oil-feed
Hole 17, spring base 18, spring 19, groove 20, the 2nd o type sealing ring 21 and oil outlet 22, solve existing fuel metering valve knot
The problem of quality dissatisfaction is made in body plan.
It should be noted that herein, such as first and second or the like relational terms are used merely to a reality
Body or operation are made a distinction with another entity or operation, and not necessarily require or imply these entities or deposit between operating
In any this actual relation or order.And, term " inclusion ", "comprising" or its any other variant are intended to
Comprising of nonexcludability, wants so that including a series of process of key elements, method, article or equipment and not only including those
Element, but also include other key elements being not expressly set out, or also include for this process, method, article or equipment
Intrinsic key element.In the absence of more restrictions.By sentence " include one ... the key element that limits it is not excluded that
Also there is other identical element in process, method, article or the equipment including described key element ".
Although an embodiment of the present invention has been shown and described, for the ordinary skill in the art, permissible
Understand and can carry out multiple changes, modification, replacement to these embodiments without departing from the principles and spirit of the present invention
And modification, the scope of the present invention be defined by the appended.
Claims (4)
1. a kind of high-pressure common rail fuel metering valve, including metering valve body (4) it is characterised in that: described metering valve body (4)
Top is fixedly connected with protective cover (3), and the top of described protective cover (3) is fixedly connected with head (1), the right side of described head (1)
Side is fixedly connected with electrode contact (2), and the left side of described metering valve body (4) and right side have been fixedly connected with installing plate (5), institute
The bottom stating metering valve body (4) is fixedly connected with connecting portion (6), described electrode contact (2) be internally provided with joint (8),
The top of described metering valve body (4) is provided with shell (7), described metering valve body (4) be internally provided with electromagnetic valve (10),
The middle part of described electromagnetic valve (10) is fixedly connected with push rod (11), and the outside of described push rod (11) is provided with solenoid (13),
The top of described solenoid (13) is fixedly connected with sealing ring (12), and the inner side of described solenoid (13) bottom is fixedly connected
There is o type sealing ring (14), the outside of described connecting portion (6) is provided with connection housing (15), the inside of described connecting portion (6)
It is provided with valve element (16), the bottom of described valve element (16) is provided with fuel feed hole (17), and the bottom of described valve element (16) is fixedly connected
There is spring base (18), the top of described spring base (18) is fixedly connected with spring (19), the left side of described connecting portion (6) and right side
All offer oil outlet (22).
2. a kind of high-pressure common rail fuel metering valve according to claim 1 it is characterised in that: the left side of described joint (8)
It is fixedly connected with connecting line (9), the other end of described connecting line (9) is fixedly connected on the top of solenoid (13), described connect
The connecting line (9) that passes on left of head (8) is fixedly connected with the top of solenoid (13).
3. a kind of high-pressure common rail fuel metering valve according to claim 1 it is characterised in that: the bottom of described push rod (11)
It is connected with the top movable of valve element (16).
4. a kind of high-pressure common rail fuel metering valve according to claim 1 it is characterised in that: described connecting portion (6) outer
Side opens up fluted (20), and the inside of described groove (20) is fixedly connected with the 2nd o type sealing ring (21).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610928218.2A CN106351760A (en) | 2016-10-31 | 2016-10-31 | High-pressure common-rail fuel metering valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610928218.2A CN106351760A (en) | 2016-10-31 | 2016-10-31 | High-pressure common-rail fuel metering valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106351760A true CN106351760A (en) | 2017-01-25 |
Family
ID=57863864
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610928218.2A Pending CN106351760A (en) | 2016-10-31 | 2016-10-31 | High-pressure common-rail fuel metering valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106351760A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115234381A (en) * | 2022-07-29 | 2022-10-25 | 无锡威孚高科技集团股份有限公司 | Rail pressure control method and control system for variable valve of engine |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103075285A (en) * | 2013-02-05 | 2013-05-01 | 李正富 | High pressure common rail fuel metering valve |
| CN103758670A (en) * | 2013-12-12 | 2014-04-30 | 中国北方发动机研究所(天津) | High-flow inlet metering valve for high-pressure common-rail variable displacement pump |
| US20140175313A1 (en) * | 2011-06-15 | 2014-06-26 | DELPHI TECHNOLOGIES HOLDING S.a.r.I. | Electro-valve for discharging common rail |
-
2016
- 2016-10-31 CN CN201610928218.2A patent/CN106351760A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20140175313A1 (en) * | 2011-06-15 | 2014-06-26 | DELPHI TECHNOLOGIES HOLDING S.a.r.I. | Electro-valve for discharging common rail |
| CN103075285A (en) * | 2013-02-05 | 2013-05-01 | 李正富 | High pressure common rail fuel metering valve |
| CN103758670A (en) * | 2013-12-12 | 2014-04-30 | 中国北方发动机研究所(天津) | High-flow inlet metering valve for high-pressure common-rail variable displacement pump |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115234381A (en) * | 2022-07-29 | 2022-10-25 | 无锡威孚高科技集团股份有限公司 | Rail pressure control method and control system for variable valve of engine |
| CN115234381B (en) * | 2022-07-29 | 2024-04-16 | 无锡威孚高科技集团股份有限公司 | Rail pressure control method and control system for variable valve of engine |
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| C06 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20170125 |
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| RJ01 | Rejection of invention patent application after publication |