CN205689811U - A kind of electromagnetic valve - Google Patents
A kind of electromagnetic valve Download PDFInfo
- Publication number
- CN205689811U CN205689811U CN201620631589.XU CN201620631589U CN205689811U CN 205689811 U CN205689811 U CN 205689811U CN 201620631589 U CN201620631589 U CN 201620631589U CN 205689811 U CN205689811 U CN 205689811U
- Authority
- CN
- China
- Prior art keywords
- valve
- hole part
- valve hole
- spool
- seat
- 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.)
- Expired - Fee Related
Links
Landscapes
- Magnetically Actuated Valves (AREA)
Abstract
The utility model proposes a kind of electromagnetic valve, including valve seat, valve hole part, electromagnetic component, iron core and back-moving spring；Valve hole part is made up of spool and poppet shaft, and spool is diaphragm type structure, poppet shaft surface-coated high-temperaure coating；Valve seat is plastic seat, and valve seat is provided with kidney-shaped venthole；The inside of electromagnetic component is that (being along the circumferential direction laid with a plurality of prism in pilot hole, a plurality of prism just constitutes the guide rail up and down of poppet shaft to valve hole part directed cavity.), iron core is riveted on pressing plate, then it is fixed together with electromagnetic component, electromagnetic component is bolted with valve seat and is integrated, the poppet shaft of valve hole part is positioned in valve hole part directed cavity, the corresponding position in valve hole part motion chamber of the spool of valve hole part, back-moving spring is contained in the supported hole that poppet shaft afterbody is provided with.A kind of electromagnetic valve of this utility model significantly avoids inside to be freezed and the problem of ammonia crystallization.
Description
Technical field
This utility model relates to a kind of electromagnetic valve, particularly relates to a kind of for controlling the electromagnetism containing urea solution automobile air path
Valve.
Background technology
At present, the electromagnetic valve that domestic commercial vehicle uses generally exists: under low-temperature condition, and electromagnetic valve is internal easily to freeze, and
In the case of gas circuit contains urea solution, it is susceptible to water volatilization crystallization inside electromagnetic valve, causes automobile partial function to make
Problem, the safety in utilization of automobile is affected, causes vehicle performance unstability, this generally exists
Potential safety hazard is complained by consumer always.
Summary of the invention
For overcoming prior art defect, it is prevented effectively from inside electromagnetic valve and freezes to occur with ammonia crystallisation problems, improve automobile
Safety in utilization, the utility model proposes a kind of for controlling the electromagnetic valve containing urea solution automobile air path.
To this end, the technical solution of the utility model is: a kind of electromagnetic valve, including valve seat, valve hole part, electromagnetic component, ferrum
Core and back-moving spring, one end of valve seat is provided with inlet channel, and the other end of valve seat is provided with outlet passageway, inlet channel, give vent to anger logical
Being connected to inlet suction port, air outlet adapter on road, the medium position of valve seat is that valve hole part moves chamber, inlet channel, gives vent to anger
Passage connects with valve hole part motion chamber, it is characterised in that:
Described valve hole part is made up of spool and poppet shaft, and spool is diaphragm type structure, and spool is connected to poppet shaft head,
Poppet shaft surface-coated has high-temperaure coating；
Described valve seat is plastic seat, and valve seat is provided with for bolted installing hole, is inlaid with nut in installing hole
Seat；Venthole on valve seat is mounting hole；
The inside of electromagnetic component is valve hole part directed cavity, and iron core is riveted on pressing plate, is then fixed on electromagnetic component
Together, being pressed on the inside of electromagnetic component under iron core, iron core is positioned at the rear end of valve hole part, is provided with close between iron core and electromagnetic component
Seal；Electromagnetic component is bolted with valve seat and is integrated, and the poppet shaft of valve hole part is positioned in valve hole part directed cavity, valve
The spool of core components is corresponding to the position in valve hole part motion chamber, and back-moving spring is contained in the supported hole that poppet shaft afterbody is provided with；
The structure of described valve hole part directed cavity is: being along the circumferential direction laid with 4～8 prisms in pilot hole, these are 4 years old
～8 prisms just constitute the guide rail up and down of valve hole part；The cylindrical of poppet shaft is directly directed on 4～8 prisms.
One for technique scheme is improved by: be along the circumferential direction laid with 6 prisms in pilot hole, this
Article 6, prism just constitutes the guide rail up and down of valve hole part.
One for technique scheme is improved by: valve seat uses polyetheretherketonematerials materials, is less susceptible to environmental effect.
Beneficial effect: this utility model, by spool is set to diaphragm type structure, makes spool movable part and contains urine
The gas circuit isolation of element liquid, sprays high-temperaure coating at spool face so that it is in the case of not affecting its magnetic conduction, strengthens surface certainly
Lubrication, it is to avoid freeze, improve ruggedness simultaneously；Use plastic seat, lighter than metal seat valve, process more convenient, be susceptible to ring
Border affects；Particularly valve seat uses polyetheretherketonematerials materials, is less susceptible to environmental effect；Venthole uses mounting hole structure, strengthens
Capacity, avoids urea solution at venthole to pile up crystallization simultaneously.This electromagnetic valve by improving in terms of material, structure etc.,
Simple in construction, part are less, low cost of manufacture；And significantly avoid freeze inside electromagnetic valve and ammonia crystallization problem, carry
High performance.
Accompanying drawing explanation
Fig. 1 is structural representation of the present utility model.
Fig. 2 is the structural representation of spool in this utility model.
Fig. 3 is the structural representation of valve seat in this utility model.
Fig. 4 is the structural representation of electromagnetic component in this utility model.
Figure is numbered: 1, valve seat；2, electromagnetic component；3, iron core；4, back-moving spring；5, valve hole part motion chamber；6, valve
Mandrel；7, spool；8, high-temperaure coating；9, venthole；10, valve hole part directed cavity；11, pressing plate；12, prism.
Detailed description of the invention
Below in conjunction with accompanying drawing, the utility model is described in further detail.
A kind of electromagnetic valve as shown in Figure 1, Figure 2, Figure 3, Figure 4, including valve seat 1, valve hole part, electromagnetic component 2, iron core 3
And back-moving spring 4, be provided with inlet channel in one end of valve seat 1, the other end at valve seat 1 is provided with outlet passageway, inlet channel,
Being connected to inlet suction port, air outlet adapter on outlet passageway, the medium position of valve seat 1 is valve hole part motion chamber 5, by air inlet
Passage, outlet passageway connect with valve hole part motion chamber 5；Described valve hole part is made up of spool 7 and poppet shaft 6, and spool 7 is film
Slice structure, the outer surface of poppet shaft 6 has high-temperaure coating 8, spool 7 to be connected to poppet shaft 6 head；Described valve seat 1 is
Plastic seat, which is provided with for bolted installing hole, is inlaid with nut seat in installing hole；Valve seat 1 is provided with and gives vent to anger
Hole 9(mounting hole)；The inside of described electromagnetic component 2 is valve hole part directed cavity 10, and back-moving spring 4 is contained in poppet shaft 6 afterbody
In the supported hole being provided with, then valve hole part is contained in valve hole part directed cavity 10；During assembling, iron core 3 is riveted on pressing plate 11
On, then it is fixed together with electromagnetic component 2, and iron core is pressed on for 3 times the inside of electromagnetic component 2, make iron core 3 be positioned at spool portion
The rear end of part, and it is provided with sealing ring between iron core 3 and electromagnetic component 2；Then, by electromagnetic component 2 with valve seat 1 by bolt even
Connecing and be integrated, make the poppet shaft 6 of valve hole part be positioned in valve hole part directed cavity 10, the spool 7 of valve hole part is corresponding to spool
The position in parts motion chamber 5；The structure of described valve hole part directed cavity 10 is: be along the circumferential direction laid with 4 in pilot hole
～8 prisms, these 4～8 prisms just constitute the guide rail up and down of valve hole part；The cylindrical of poppet shaft 6 is directly 4～8
It is directed on bar prism, reduces contact area with this, reduce its frozen probability.
As shown in Figure 4, being along the circumferential direction laid with 6 prisms 12 in pilot hole, these 6 prisms just constitute spool
The guide rail up and down of parts (poppet shaft 6).
Described valve seat 1, preferably with polyether-ether-ketone, is less susceptible to environmental effect.
The high-temperaure coating that described high-temperaure coating 8 produces preferably with: Dow corning company.
This utility model, by spool is set to diaphragm type structure, makes spool movable part and the gas circuit containing urea solution
Isolation, sprays high-temperaure coating at spool face so that it is in the case of not affecting its magnetic conduction, strengthens surface self-lubricating, it is to avoid
Freeze, improve ruggedness simultaneously；Use plastic seat, lighter than metal seat valve, process more convenient, be susceptible to environmental effect, and
Venthole uses kidney-shaped shape structure, increases capacity, avoids urea solution at venthole to pile up crystallization simultaneously.
The foregoing is only preferred embodiment of the present utility model, and be not used to limit to the scope of the claims of the present utility model,
Therefore the equivalent transformation that all utilization this utility model description is made, the most in like manner it is included within the scope of this utility model.
Claims (3)
1. an electromagnetic valve, including valve seat, valve hole part, electromagnetic component, iron core and back-moving spring, one end of valve seat is provided with air inlet
Passage, the other end of valve seat is provided with outlet passageway, inlet channel, outlet passageway is connected to inlet suction port, air outlet adapter,
The medium position of valve seat is valve hole part motion chamber, and inlet channel, outlet passageway connect with valve hole part motion chamber, and its feature exists
In:
Described valve hole part is made up of spool and poppet shaft, and spool is diaphragm type structure, and spool is connected to poppet shaft head, spool
Axle surface-coated has high-temperaure coating；
Described valve seat is plastic seat, and valve seat is provided with for bolted installing hole, is inlaid with nut seat in installing hole；Valve
Venthole on seat is mounting hole；
The inside of electromagnetic component is valve hole part directed cavity, and iron core is riveted on pressing plate, is then fixed together with electromagnetic component,
Iron core is positioned at the rear end of valve hole part, is pressed on the inside of electromagnetic component under iron core, is provided with sealing ring between iron core and electromagnetic component；
Electromagnetic component is bolted with valve seat and is integrated, and the poppet shaft of valve hole part is positioned in valve hole part directed cavity, spool portion
The spool of part is corresponding to the position in valve hole part motion chamber, and back-moving spring is contained in the supported hole that poppet shaft afterbody is provided with；
The structure of described valve hole part directed cavity is: be along the circumferential direction laid with 4～8 prisms in pilot hole, and these are 4～8 years old
Bar prism just constitutes the guide rail up and down of valve hole part；The cylindrical of poppet shaft is directly directed on 4～8 prisms.
A kind of electromagnetic valve the most according to claim 1, it is characterised in that: in pilot hole, along the circumferential direction it is laid with 6
Bar prism, these 6 prisms just constitute the guide rail up and down of valve hole part.
A kind of electromagnetic valve the most according to claim 1 and 2, it is characterised in that: valve seat uses polyetheretherketonematerials materials.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620631589.XU CN205689811U (en) | 2016-06-24 | 2016-06-24 | A kind of electromagnetic valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620631589.XU CN205689811U (en) | 2016-06-24 | 2016-06-24 | A kind of electromagnetic valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205689811U true CN205689811U (en) | 2016-11-16 |
Family
ID=57425052
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620631589.XU Expired - Fee Related CN205689811U (en) | 2016-06-24 | 2016-06-24 | A kind of electromagnetic valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205689811U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105927752A (en) * | 2016-06-24 | 2016-09-07 | 湖北中生汽车电器有限公司 | Electromagnetic valve |
-
2016
- 2016-06-24 CN CN201620631589.XU patent/CN205689811U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105927752A (en) * | 2016-06-24 | 2016-09-07 | 湖北中生汽车电器有限公司 | Electromagnetic valve |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN110748447B (en) | Low-power-consumption driving gas metering valve for auxiliary injection of fuel gas of heavy oil piston engine | |
| CN105927752A (en) | Electromagnetic valve | |
| CN205689811U (en) | A kind of electromagnetic valve | |
| CN105545858B (en) | A kind of special Pneumatic valve of pneumohydraulic pressure-cylinder and pneumohydraulic pressure-cylinder | |
| CN109595376B (en) | A kind of novel self feed back excess pressure cutout device | |
| CN203743515U (en) | One-way valve for vehicle-mounted air condition compressor | |
| CN203201638U (en) | Compact plunger type piston cooling device | |
| CN203485753U (en) | Medium-low pressure fuel tank system | |
| CN206398139U (en) | A kind of one-way valve structures of gs-oil separator | |
| CN204851506U (en) | A split type automatically controlled monoblock pump for diesel engine | |
| CN203023148U (en) | Injection pump nozzle integrated with relief valve | |
| CN203528291U (en) | Low temperature difference fuel tank system | |
| CN205136757U (en) | Solenoid valve assembly | |
| CN101457728B (en) | Ball valve nozzle | |
| CN204610114U (en) | Without static leakage oil sprayer | |
| CN204511863U (en) | A kind of Novel air exchanging plug | |
| CN105318086A (en) | Electromagnetic valve assembly | |
| CN204921223U (en) | Diesel oil filter disk seat assembly | |
| CN209012464U (en) | By warlord | |
| CN103527368B (en) | A kind of engine pump oil machine structure | |
| CN208535252U (en) | Low leakage flow proportional control valve and oil pump solenoid valve with the control valve | |
| CN108412653B (en) | Common rail fuel injector | |
| CN206495709U (en) | A kind of urea structure of reversing valve | |
| CN205118266U (en) | Seal structure of solenoid valve | |
| CN205190905U (en) | A two solenoid valves of large -traffic pneumatics for pneumatic AMT gearbox |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20161116 Termination date: 20200624 |