CN208651017U - Metering valve for diesel engine common rail fuel combustion system - Google Patents
Metering valve for diesel engine common rail fuel combustion system Download PDFInfo
- Publication number
- CN208651017U CN208651017U CN201820504843.9U CN201820504843U CN208651017U CN 208651017 U CN208651017 U CN 208651017U CN 201820504843 U CN201820504843 U CN 201820504843U CN 208651017 U CN208651017 U CN 208651017U
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- pole shoe
- coil brace
- armature
- spool
- valve body
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Abstract
The utility model belongs to metering valve technical field, in particular to a kind of metering valve for diesel engine common rail fuel combustion system.It is integrally made of electromagnet component through O-ring connection valve part；The electromagnet component includes shell, pole shoe, armature, guide sleeve, coil, armature bearing, coil brace, mandril and mandril bearing；The valve part includes spool, spring, valve body and spring base, and valve body is mounted on pole shoe, and spool is mounted in valve body by spring and spring base；The right end of the coil brace designs an inserted sheet mounting hole, coil brace tyre one reinforcing rib of the medium design of coil brace at taper identical with pole shoe, with pole shoe cooperation.The processing technology of the utility model is simple, stable structure, and installation is reliable, and debugging is convenient, and lubricity is good, and resistance is small, for meeting the engine of IV or more low emission standard of state.
Description
Technical field
The utility model belongs to metering valve technical field, in particular to a kind of for diesel engine common rail fuel combustion system
Metering valve.
Background technique
Engine common rail fuel combustion system is after fuel oil is pumped into common rail pipe with high pressure, using electron controls technology, according to
High pressure oil is periodically sprayed into cylinder by Different Work Condition of Engine, automatic ration, and performance is good, saving fuel oil, discharge it is low,
It is environmentally protective, meet IV or more low emission standard requirements of state.
Existing metering valve is the high-pressure pump oil inlet control valve of engine electric-controlled common rail fuel combustion system, and main group becomes electromagnetism
Iron, armature, armature lever and spool make armature is mobile to push armature lever, armature lever pushes spool again when electromagnet obtains signal
It is mobile, the effect of adjusting oil mass size is reached by the current carrying area size of regulating valve, but current metering valve arrangement manufactures hardly possible
To reach quality requirement, and single unit system intensity is not high.
Utility model content
In order to overcome problems of the prior art, the utility model provides a kind of for diesel engine common rail fuel oil
The processing technology of the metering valve of system, the metering valve is simple, stable structure, and installation is reliable, and debugging is convenient, and lubricity is good, resistance
It is small, for meeting the engine of IV or more low emission standard of state.
The utility model adopts the technical scheme that achieve the above object: for diesel engine common rail fuel combustion system
Metering valve, it is characterized in that: being integrally made of electromagnet component through O-ring connection valve part；The electromagnet component includes shell
Body, pole shoe, armature, guide sleeve, coil, armature bearing, coil brace, mandril and mandril bearing install rank on the axial line of shell
Iron, shell is interior to be packed into guide sleeve and coil, and coil brace is loaded on the intracavitary of shell by sealing ring, by armature between armature and guide sleeve
Bearing support, the left end press-fitting pole shoe and coil brace of shell cooperate, and the mandril connecting with armature is by mandril bearing support；It is described
Valve part includes spool, spring, valve body and spring base, and valve body is mounted on pole shoe, and spool is installed by spring and spring base
In valve body；The right end of the coil brace designs an inserted sheet mounting hole, and the medium design of coil brace is at identical as pole shoe
Taper, with pole shoe cooperation coil brace in addition a reinforcing rib.
Valve body band annular groove, spool use tubular construction, and the outer circle of spool radially uses circular hole, delthyrium and trapezoidal
Hole, spool move axially adjustment captured area with respect to valve body.
The valve body outer circle radially uses circular hole, delthyrium and trapezoidal hole.
When utility model works, when signal is added in coil, electromagnet component generates thrust, and armature is mobile to push mandril axis
To movement, and push spool against the force of the spring mobile, adjusting spool is through-flow with valve body.
The utility model has the advantages that:
1) spool is mounted in valve body by spring base, and the processing is simple for split type spring base, and debugging is convenient；
2) pole shoe uses split type with valve body, is simple to manufacture；
3) mandril is positioned by armature bearing, is lubricated by the mandril bearing support that is mounted in pole shoe, armature, and resistance is small；
4) the end face design of coil brace patches film trap, and convenient for assembly, manufacturing cost is low；
5) valve body is provided with hole, and valve body is furnished with annular groove, when spool has pressure, acts on spool pressure balance, valve core movement
It is anti-jamming without lateral force；
6) right end of coil brace designs inserted sheet mounting hole, and production assembly technology is simply first, at low cost；
7) medium design of coil brace taper identical with pole shoe, the coil brace reinforcement in addition with pole shoe cooperation
Muscle improves intensity, increases coil turn, compact structure.
Detailed description of the invention
Fig. 1 is a kind of structural schematic diagram (H-type) of the utility model.
Fig. 2 is a kind of structural schematic diagram (L-type) of the utility model.
Fig. 3 is the expanded view of Fig. 1.
Fig. 4 is the left view of the coil brace of Fig. 1.
Fig. 5 is the right view of the coil brace of Fig. 1.
Fig. 6 is the expanded view of the coil brace of Fig. 1.
Fig. 7 is the spool schematic diagram of Fig. 1.
In figure: 1 shell, 2 pole shoes, 3 armature, 4 guide sleeves, 5 coils, 6 armature bearings, 7 sealing rings, 8 coil braces, 9 mandrils,
10 mandril bearings, 11O shape circle, 12 spools, 13 springs, 14 valve bodies, 15 spring bases, 16 inserted sheet mounting holes.
Specific embodiment
Below in conjunction with attached drawing, the present invention will be further described with embodiment:
Embodiment
As shown in figs. 1-7, the metering valve for diesel engine common rail fuel combustion system is by electromagnet component through O shape circle
11 connection valve parts integrally form；Electromagnet component includes shell 1, pole shoe 2, armature 3, guide sleeve 4, coil 5, armature bearing
6, coil brace 8, mandril 9 and mandril bearing 10 install armature 3 on the axial line of shell 1, are packed into guide sleeve 4 and coil in shell 1
5, coil brace 8, loaded on the intracavitary of shell 1, is supported between armature 3 and guide sleeve 4 by armature bearing 6 by sealing ring 7, shell 1
Left end is press-fitted pole shoe 2 and coil brace 8 cooperates, and the mandril 9 connecting with armature 3 is supported by mandril bearing 10；Valve part includes
Spool 12, spring 13, valve body 14 and spring base 15, valve body 14 are mounted on pole shoe 2, and spool 12 passes through spring 13 and spring base 15
It is mounted in valve body 14.
Wherein, the right end of coil brace 8 designs an inserted sheet mounting hole 16, the medium design of coil brace 8 at pole shoe 2
Identical taper, 8 one reinforcing rib of tyre of coil brace cooperated with pole shoe 2.
Wherein, valve body band annular groove, spool use tubular construction, and the outer circle of spool radially uses circular hole, delthyrium and trapezoidal
Hole, spool move axially adjustment captured area with respect to valve body.
Wherein, valve body outer circle radially uses circular hole, delthyrium and trapezoidal hole.
Finally, it should be noted that the above various embodiments is only to illustrate the technical solution of the utility model, rather than it is limited
System；Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art should
Understand: it is still possible to modify the technical solutions described in the foregoing embodiments, or to some or all of
Technical characteristic is equivalently replaced；And these are modified or replaceed, it does not separate the essence of the corresponding technical solution, and this is practical new
The range of each embodiment technical solution of type.
Claims (3)
1. the metering valve of diesel engine common rail fuel combustion system is used for, it is characterized in that: being connected by electromagnet component through O-ring (11)
Valve part integrally forms；The electromagnet component includes shell (1), pole shoe (2), armature (3), guide sleeve (4), coil (5), rank
Iron bearing (6), coil brace (8), mandril (9) and mandril bearing (10) install armature (3) on the axial line of shell (1), shell
(1) be packed into guide sleeve (4) and coil (5) in, coil brace (8) by sealing ring (7) loaded on the intracavitary of shell (1), armature (3) and
It is supported between guide sleeve (4) by armature bearing (6), left end press-fitting pole shoe (2) and coil brace (8) of shell (1) cooperates, with armature
(3) mandril (9) connected is supported by mandril bearing (10)；The valve part includes spool (12), spring (13), valve body (14)
With spring base (15), valve body (14) is mounted on pole shoe (2), and spool (12) reset spring (13) and spring base (15) are mounted on valve
In body (14)；The right end of the coil brace (8) designs an inserted sheet mounting hole (16), the medium design of coil brace (8) at
The identical taper with pole shoe (2), coil brace (8) one reinforcing rib of tyre with pole shoe (2) cooperation.
2. the metering valve according to claim 1 for diesel engine common rail fuel combustion system, it is characterized in that: the valve body
Band annular groove, spool use tubular construction, and the outer circle of spool radially uses circular hole, delthyrium and trapezoidal hole, and spool is with respect to valve body axis
Captured area is adjusted to mobile.
3. the metering valve according to claim 1 for diesel engine common rail fuel combustion system,
It is characterized in that: the valve body outer circle radially uses circular hole, delthyrium and trapezoidal hole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820504843.9U CN208651017U (en) | 2018-04-11 | 2018-04-11 | Metering valve for diesel engine common rail fuel combustion system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820504843.9U CN208651017U (en) | 2018-04-11 | 2018-04-11 | Metering valve for diesel engine common rail fuel combustion system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208651017U true CN208651017U (en) | 2019-03-26 |
Family
ID=65775138
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820504843.9U Active CN208651017U (en) | 2018-04-11 | 2018-04-11 | Metering valve for diesel engine common rail fuel combustion system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208651017U (en) |
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2018
- 2018-04-11 CN CN201820504843.9U patent/CN208651017U/en active Active
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| GR01 | Patent grant |