CN208221627U - The valve member of big flow electromagnetic type injector - Google Patents
The valve member of big flow electromagnetic type injector Download PDFInfo
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- CN208221627U CN208221627U CN201820431431.7U CN201820431431U CN208221627U CN 208221627 U CN208221627 U CN 208221627U CN 201820431431 U CN201820431431 U CN 201820431431U CN 208221627 U CN208221627 U CN 208221627U
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- valve seat
- sealed plunger
- face
- sealing
- big flow
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Abstract
A kind of valve member of big flow electromagnetic type injector, including spool, seal, valve seat, the seal is sealed plunger, coaxial spool mounting hole and centre bore are equipped in sealed plunger, the bottom terminal ends of the spool mounting hole and spool connect, and the bottom end end face of sealed plunger is plane；The valve seat is equipped with the sealing plane matched with the bottom end end face of sealed plunger, which is equipped with turbulent chamber on position corresponding with the centre bore of sealed plunger, and spray-hole is equipped with around turbulent chamber.Ball sealing structure is changed to plane sealing structure by the utility model, it is designed under plane sealing structure under identical back-pressure sealing area structure and gap, the via area of 2.5 times of ball sealing structures can be obtained, to can get the metering range of big flow, its reliable performance, structure is simple, at low cost, use easy to spread.
Description
Technical field
The utility model relates to a kind of components of injector, especially a kind of valve of big flow electromagnetic type injector
Component.
Background technique
Big flow electromagnetic type injector such as pen type injector, the sealing structure of valve member generally use steel ball close
Envelope, but due to the limitation of pen type emitter construction size, electromagnetic force is extremely limited, if increasing valve by the gap for increasing valve
Area of passage, achieve the purpose that improve flow be infeasible；Another thinking is to increase overcurrent by increasing steel ball size
Area, but the back pressure area of valve is also increased simultaneously, because electromagnetic force is inadequate, do not increase the gap of valve, is not increased by production yet
Product flow.
Summary of the invention
Technical problem to be solved by the utility model is: a kind of valve member of big flow electromagnetic type injector is provided,
It is of the existing technology using the shortcoming that can not improve flow when steel ball sealing to solve.
The technical solution for solving above-mentioned technical problem is: a kind of valve member of big flow electromagnetic type injector, including
Spool, seal, valve seat, the seal are sealed plunger, are equipped with coaxial spool mounting hole and center in sealed plunger
The bottom terminal ends of hole, the spool mounting hole and spool connect, and the bottom end end face of sealed plunger is plane；The valve seat is set
There is the sealing plane matched with the bottom end end face of sealed plunger, the sealing plane is corresponding with the centre bore of sealed plunger
Position is equipped with turbulent chamber, and spray-hole is equipped with around turbulent chamber.
The further technical solution of the utility model is: the valve seat includes valve seat A and valve seat B, the top end of valve seat A
Face is the sealing plane, and valve seat A is connect with the lower end of valve seat B, and the upper end of valve seat B is connect with main shaft.
The further technical solution of the utility model is: the sealing plane of the bottom end end face of sealed plunger and valve seat A it
Between gap L be 0.05~0.2mm.
The further technical solution of the utility model is: the sealing plane of the bottom end end face of sealed plunger and valve seat A it
Between gap cross-sectional area be 1.5~2.5mm2。
Due to using the above structure, the valve member and the prior art of the big flow electromagnetic valve type injector of the utility model
It compares, has the advantages that
1. the metering range of available big flow
The utility model includes spool, seal, valve seat, and the seal is sealed plunger, is equipped in sealed plunger
The bottom terminal ends of coaxial spool mounting hole and centre bore, the spool mounting hole and spool connect, the bottom end of sealed plunger
End face is plane；The valve seat is equipped with the sealing plane that matches with the bottom end end face of sealed plunger, the sealing plane with
The corresponding position of the centre bore of sealed plunger is equipped with turbulent chamber, and spray-hole is equipped with around turbulent chamber.Since this is practical
It is novel that ball sealing structure is changed to plane sealing structure, designed under plane sealing structure identical back-pressure sealing area structure and
Under gap, the via area of 2.5 times of ball sealing structures can be obtained, to can get the metering range of big flow.
2. reliable performance
Since ball sealing structure is changed to plane sealing structure by the utility model, sealing performance not only can be improved, but also
The processing technology of sealing element is greatly improved, i.e. processable using conventional turning, grinding, heat treatment and fine grinding, processing
High-efficient, sealing performance is reliable and stable.
3. structure is simple
Relatively simple for structure, at low cost, the use easy to spread of the utility model.
In the following, in conjunction with the accompanying drawings and embodiments to the skill of the valve member of the big flow electromagnetic valve type injector of the utility model
Art feature is further described.
Detailed description of the invention
Fig. 1: the structural schematic diagram of the valve member of the big flow electromagnetic valve type injector of the utility model,
Fig. 2: the back pressure area schematic diagram of the big flow electromagnetic valve type injector of the utility model described in embodiment one,
Fig. 3: the structural schematic diagram of the big flow electromagnetic type injector of the utility model is installed；
Fig. 4: the structural schematic diagram of the electromagnetic type injector of prior art valve member is installed.
Fig. 5: the back pressure area schematic diagram of electromagnetic type injector in the prior art
In above-mentioned attached drawing, each the reference numerals are as follows:
1- spool,
2- sealed plunger, 21- spool mounting hole, 22- centre bore, the bottom end end face of 23- sealed plunger,
3- valve seat, 30- valve seat A, 31- valve seat B, 301- sealing plane, 3011- turbulent flow chamber, 3012- spray-hole,
4- main shaft.
Specific embodiment
Embodiment one:
A kind of valve member of big flow electromagnetic type injector, including spool 1, seal, valve seat 3, the sealing
Body is sealed plunger 2, is equipped with coaxial spool mounting hole 21 and centre bore 22, the spool mounting hole 21 in sealed plunger 2
It is connect with the bottom terminal ends of spool 3, the bottom end end face 23 of sealed plunger is plane；The valve seat 3 includes valve seat A30 and valve seat
The top end face of B31, valve seat A30 are the sealing plane 301 matched with the bottom end end face of sealed plunger 2, the sealing plane 301
It is equipped with turbulent chamber 3011 on position corresponding with the centre bore 22 of sealed plunger, and is equipped with injection around turbulent chamber 3011
Hole 3012；The valve seat A30 is connect with the lower end of valve seat B31, and the upper end of valve seat B31 is connect with main shaft 4.
Gap L between the bottom end end face 23 of the sealed plunger 2 and the sealing plane 301 of valve seat A30 is 0.1mm,
Back pressure area S is 10.02 mm2, the cross in gap between the bottom end end face 23 of sealed plunger 2 and the sealing plane 301 of valve seat A30
Sectional area is 1.95mm2。
And in the prior art, sealing the gap between steel ball and the sealing surface of valve seat is 0.1mm, back pressure area S0For
9.82 mm2, the cross-sectional area for sealing gap between steel ball and the sealing surface of valve seat is 0.78mm2(- Fig. 5 referring to fig. 4).
From the above, it is designed under plane sealing structure under identical back-pressure sealing area structure and gap, 2.5 can be obtained
The via area of times ball sealing structure, to can get the metering range of big flow.
As a kind of transformation of the present embodiment one, the bottom end end face 23 of the sealed plunger 2 and the sealing of valve seat A30 are flat
Gap L between face 301 can be any value in 0.05~0.2mm, the bottom end end face 23 and valve seat A30's of sealed plunger 2
The cross-sectional area in gap is 1.5~2.5mm between sealing plane 3012。
Claims (4)
1. a kind of valve member of big flow electromagnetic type injector, including spool (1), seal, valve seat (3), feature exists
In: the seal is sealed plunger (2), is equipped with coaxial spool mounting hole (21) and centre bore in sealed plunger (2)
(22), the spool mounting hole (21) is connect with the bottom terminal ends of spool (1), and the bottom end end face (23) of sealed plunger is flat
Face；The valve seat (3) is equipped with the sealing plane (301) matched with the bottom end end face of sealed plunger (2), the sealing plane
(301) turbulent chamber (3011) is equipped on position corresponding with the centre bore of sealed plunger (22), and in turbulent chamber (3011)
Surrounding is equipped with spray-hole (3012).
2. the valve member of big flow electromagnetic type injector according to claim 1, it is characterised in that: the valve seat
(3) include valve seat A(30) and valve seat B(31), valve seat A(30) top end face be the sealing plane (301), valve seat A
(30) connect with the lower end of valve seat B(31), valve seat B(31) upper end connect with main shaft (4).
3. the valve member of big flow electromagnetic type injector according to claim 2, it is characterised in that: sealed plunger
(2) bottom end end face (23) and valve seat A(30) sealing plane (301) between gap L be 0.05~0.2mm.
4. the valve member of big flow electromagnetic type injector according to claim 3, it is characterised in that: sealed plunger
(2) bottom end end face (23) and valve seat A(30) sealing plane (301) between gap cross-sectional area be 1.5~2.5mm2。
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820431431.7U CN208221627U (en) | 2018-03-28 | 2018-03-28 | The valve member of big flow electromagnetic type injector |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820431431.7U CN208221627U (en) | 2018-03-28 | 2018-03-28 | The valve member of big flow electromagnetic type injector |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208221627U true CN208221627U (en) | 2018-12-11 |
Family
ID=64503237
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820431431.7U Active CN208221627U (en) | 2018-03-28 | 2018-03-28 | The valve member of big flow electromagnetic type injector |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208221627U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108413051A (en) * | 2018-03-28 | 2018-08-17 | 柳州源创电喷技术有限公司 | The valve member of big flow electromagnetic type injector |
-
2018
- 2018-03-28 CN CN201820431431.7U patent/CN208221627U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108413051A (en) * | 2018-03-28 | 2018-08-17 | 柳州源创电喷技术有限公司 | The valve member of big flow electromagnetic type injector |
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