CN202170836U - Novel anticorrosion air flow control electromagnetic valve - Google Patents
Novel anticorrosion air flow control electromagnetic valve Download PDFInfo
- Publication number
- CN202170836U CN202170836U CN201120282206XU CN201120282206U CN202170836U CN 202170836 U CN202170836 U CN 202170836U CN 201120282206X U CN201120282206X U CN 201120282206XU CN 201120282206 U CN201120282206 U CN 201120282206U CN 202170836 U CN202170836 U CN 202170836U
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- iron core
- internal diameter
- valve seat
- electromagnetic valve
- moving iron
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Abstract
A novel anticorrosion air flow control electromagnetic valve comprises the following main components: a valve seat with an air outlet nozzle and an air inlet pipe, a driving coil, a frame, a dynamic iron core, a sealing rubber ring which is umbrella-shaped or parabolic, a stationary iron core and a rubber washer thereof, a soft iron sleeve, a plastic housing, a soft iron washer, a signal input line and a return spring. The electromagnetic valve is characterized in that: a maximal diameter edge of the sealing rubber ring of the dynamic iron core is placed in a large-inner-diameter edge of a step of the valve seat in which the inner diameter of the inner wall at the lower end of the air outlet nozzle and the air inlet pipe enlarges gradually; the end of the frame is provided with an annular extension component which abuts against and fixes the maximal diameter edge of the sealing rubber ring along the edge of an internal diameter change step of the inner wall of the valve seat; the sealing rubber ring insulates a moving component iron core in the electromagnetic valve body and the stationary iron core in a moving guide pipe at the center of the frame from corrosive gas which drives the coil and the valve seat and passes through the air inlet pipe and the air outlet nozzle; and furthermore effective switch control can be performed on the corrosive gas.
Description
Technical field
The utility model relates to a kind of technical field of petrolic novel energy-saving environment-friendly system and device, refers in particular to a kind of novel ability corrosion protection air-flow control electromagnetic valve.
Background technique
In the new electronic control energy-conserving and environment-protective system and device in automobile, the air-flow control electromagnetic valve is the power unit of core.This controlled airflow is the gas that engine emission comes out, and wherein contains a large amount of sour corrosion property compositions, and higher temperature is arranged; General air-flow control electromagnetic valve is in several thousand kilometer range of going, just because the metal seat valve valve of solenoid valve; Moving iron core; Fixed core is corroded to such an extent that have rusty stains, and quits work, thereby also compelled the quitting work of this cover new electronic control energy-conserving and environment-protective system and device.More than 40,000 kilometers, must carry out necessary transformation in order to guarantee this new electronic control energy-conserving and environment-protective system and device ability proper functioning to such air-flow control electromagnetic valve.
Summary of the invention
The purpose of the utility model is exactly not have the defective of corrosion proof function and a new solution is provided to original air-flow control electromagnetic valve.
One novel anticorrosion erosion air-flow control electromagnetic valve; Critical piece comprises the valve seat that has outlet nozzle and suction tude; Drive coil; Skeleton, bullet shaped is moved iron core and is had umbrella or the O-ring seal of parabolic, anti-truncated cone shape fixed core and rubber washer thereof; The soft iron external member; Plastic shell, soft iron pad, signal input line; Returnning spring; Said solenoid valve is characterised in that: the edge that said valve seat is arranged in the big internal diameter of ladder that the inwall internal diameter of its outlet nozzle and suction tude lower end changes from small to big is inserted at the O-ring seal maximum diameter edge of the umbrella of said moving iron core or parabolic, and the extension component that this end of skeleton has an individual ring-type has withstood and fixed the O-ring seal maximum diameter edge of umbrella or parabolic along the edge at the inwall internal diameter varies ladder place of valve seat, and the little internal diameter size in the extension component internal diameter size of this ring-type and valve base inner wall ladder place is suitable; The negative common difference of the internal diameter that its outside dimension and valve base inner wall ladder place are big is suitable; And moving iron core connects an end of O-ring seal and embeds in the center hole of O-ring seal, and moving iron core has an end of the sub warhead of Returnning spring and inserts in the said centre pipe of skeleton in an end of valve seat that has a drive coil, and is connected with fixed core in being installed in frame center's conduit the other end through Returnning spring; The umbrella of moving like this iron core or the O-ring seal of parabolic are just kept apart the corrosivity air-flow that passes through outlet nozzle and suction tude of the moving iron core of the moving element in the said electromagnetic valve body and the fixed core in the motion conduit of frame center and drive coil and said valve seat, and still can carry out effective switch control to the corrosivity air-flow.
The characteristic 2 of novel anticorrosion erosion air-flow control electromagnetic valve: the edge that valve seat is arranged in the big internal diameter of ladder that the inwall internal diameter of its outlet nozzle and suction tude lower end changes from small to big is inserted at the umbrella of moving iron core or the O-ring seal maximum diameter edge of parabolic; One latch closure is arranged; The one of which end places and pushes down the O-ring seal maximum diameter edge of umbrella or parabolic; The little internal diameter size in the internal diameter size of this latch closure and valve base inner wall ladder place is suitable; The negative common difference of the internal diameter that its outside dimension and valve base inner wall ladder place are big is suitable, and the other end of this latch closure is connected with the end of said skeleton towards valve seat.
The characteristic 3 of novel anticorrosion erosion air-flow control electromagnetic valve: the material of solenoid valve valve seat must be stainless steel or corrosion resistant engineering plastics, and there is step its underpart or claims protuberance, and the mode that the groove of this step and plastic shell embeds each other is connected.
The characteristic 4 of novel anticorrosion erosion air-flow control electromagnetic valve: the O-ring seal with umbrella or parabolic of the moving iron core of bullet shaped; The protuberance of fluted and moving iron core joint embeds fastening each other in its center hole; Its maximum outside diameter size is equivalent to the size of the big internal diameter of ladder that inwall internal diameter that valve seat is arranged in its outlet nozzle and suction tude lower end changes from small to big; Its material must be the anti-corrosive rubber of an anti-gasoline material, the corrosion resistant NBR rubber material of for example anti-gasoline.
The characteristic 5 of novel anticorrosion erosion air-flow control electromagnetic valve: the cylindrical Returnning spring of the moving iron core of bullet shaped is placed on moving iron core sub warhead fore-end; The outside dimension of the part of the moving cylindrical Returnning spring of iron core sub warhead front end suit is less than the internal diameter of cylindrical Returnning spring; Mounting spring outside dimension partly is unsuitable for the outside dimension of cylindrical Returnning spring and moving iron core; Therefore moving iron core sub warhead front end external diameter stepped change place has constituted the spacing bank of external cylindrical Returnning spring; The other end of the contact fixed core of cylindrical Returnning spring places the top of the anti-frustoconic shape groove of fixed core, and there is the wear-resisting hard chrome of one deck corrosion protection on moving iron core surface.
The characteristic 6 of novel anticorrosion erosion air-flow control electromagnetic valve: there is the etch-proof hard chrome of one deck on said fixed core surface, and its terminal part is fluted, and the mode that embeds each other through the protuberance with the corresponding joint of plastic shell is connected and fixes.
After taking above-mentioned improvement, solenoid valve is significantly improved to the corrosion proof function of exhaust jet stream, and the normal operation of solenoid valve is also guaranteed effectively.According to the structural feature of such solenoid valve, in solenoid valve plastic shell ultrasonic welding encapsulation, the parts of solenoid valve; Like valve seat and shell, fixed core and shell, and the O-ring seal of the umbrella of moving iron core or parabolic all is connected effectively simultaneously with valve seat and fixes; Of no use to any general fastening piece; Simplify the production mounting process greatly, reduced production cost of products, and improved durability of products and reliability.
Description of drawings
Fig. 1 the utility model air-flow control electromagnetic valve structural representation.
The air-flow control electromagnetic valve structural representation of Fig. 2 the utility model another program.
Embodiment
Below specify.
See also shown in Fig. 1 the utility model air-flow control electromagnetic valve structural representation; Solenoid valve is anti-garden platform shape by the coil frame 4 outer drive wire bags 41 that twine of plastic shell 3 built-in hollows, the fixed core 5 that coil frame 4 hollow cavity axle center are an end sleeve of centre pipe; The moving iron core 7 of axle center the other end sleeve is the bullet shape, between the moving iron core 7 of two adjacent surfaces and fixed core 5, external Returnning spring 71 is housed.The edge that valve seat 1 is arranged in the big internal diameter of ladder that the inwall internal diameter of its outlet nozzle 12 and suction tude 11 lower ends changes from small to big 13 is inserted at the umbrella of moving iron core or the O-ring seal 2 maximum diameter edges 21 of parabolic; Skeleton 4 these ends have individual ring-type extension component 42 to withstand and fixed the O-ring seal 2 maximum diameter edges 21 of umbrella or parabolic along the edge at the inwall internal diameter varies ladder place 13 of valve seat; The little internal diameter size in extension component 42 internal diameter sizes of this ring-type and valve base inner wall ladder place 13 is suitable; The negative common difference of the internal diameter that its outside dimension and valve base inner wall ladder place 13 are big is suitable; The 72nd, the part of the moving cylindrical Returnning spring 71 of iron core sub warhead front end suit; Moving iron core external diameter stepped change place 73 has constituted the spacing bank of external cylindrical Returnning spring 71; The other end of the contact fixed core of cylindrical Returnning spring places the top of the anti-frustoconic shape groove 51 of fixed core.Obviously, the outside dimension of the part 72 of the moving cylindrical Returnning spring 71 of iron core 47 sub warhead front end suits is less than the internal diameter of cylindrical Returnning spring 71, and the outside dimension of cylindrical Returnning spring 71 and moving the iron core 7 not outside dimension of mounting spring part 74 are suitable.The seal ring 2 that be equipped with its end of port that moving iron core 7 extends coil frame 4.The 8th, the signal input line that drive wire bag 41 is connected with electronic controller (ECU).Valve seat 1 be provided with steam outlet pipe 12 and with the suction tude 11 of seal ring 2 axis normal.Skeleton 4 will adopt nylon to add glass fiber material, and the content of glass is generally in the scope of 5%-40%, to guarantee the intensity of skeleton.Will there be the etch-proof hard chromium layers of one deck on moving iron core 7 surfaces, to guarantee moving iron core 7 surfaces enough hardness are arranged, and are wear-resistant and corrosion-resistant.9 is soft iron pads among the figure, the 52nd, and the rubber washer of fixed core 5 bottoms.
See also shown in the air-flow control electromagnetic valve structural representation of Fig. 2 the utility model another program; The edge that valve seat is arranged in the big internal diameter of ladder that the inwall internal diameter of its outlet nozzle 12 and suction tude 11 lower ends changes from small to big 13 is inserted at the umbrella of moving iron core or the O-ring seal 2 maximum diameter edges 21 of parabolic; One latch closure 42 is arranged; The one of which end places and pushes down the O-ring seal 2 maximum diameter edges of umbrella or parabolic; The little internal diameter size in the internal diameter size of this latch closure 42 and valve base inner wall ladder place 13 is suitable, and the negative common difference of the internal diameter that its outside dimension and valve base inner wall ladder place 13 are big is suitable, and the other end of this latch closure is connected with the end of said skeleton towards valve seat.Other part-structures and Fig. 1 of the air-flow control electromagnetic valve of this scheme are identical.
The above is merely the preferred embodiment of the utility model, and all equalizations of being done according to the utility model claim scope change and modify, and all should belong to the covering scope of the utility model claim.
Claims (6)
1. a novel anticorrosion is lost the air-flow control electromagnetic valve; Critical piece comprises the valve seat that has outlet nozzle and suction tude; Drive coil; Skeleton, bullet shaped is moved iron core and is had umbrella or the O-ring seal of parabolic, anti-truncated cone shape fixed core and rubber washer thereof; The soft iron external member; Plastic shell, soft iron pad, signal input line; Returnning spring; Said solenoid valve is characterised in that: the edge that said valve seat is arranged in the big internal diameter of ladder that the inwall internal diameter of its outlet nozzle and suction tude lower end changes from small to big is inserted at the O-ring seal maximum diameter edge of the umbrella of said moving iron core or parabolic, and the extension component that this end of skeleton has an individual ring-type has withstood and fixed the O-ring seal maximum diameter edge of umbrella or parabolic along the edge at the inwall internal diameter varies ladder place of valve seat, and the little internal diameter size in the extension component internal diameter size of this ring-type and valve base inner wall ladder place is suitable; The negative common difference of the internal diameter that its outside dimension and valve base inner wall ladder place are big is suitable; And moving iron core connects an end of O-ring seal and embeds in the center hole of O-ring seal, and moving iron core has an end of the sub warhead of Returnning spring and inserts in the said centre pipe of skeleton in an end of valve seat that has a drive coil, and is connected with fixed core in being installed in frame center's conduit the other end through Returnning spring; The umbrella of moving like this iron core or the O-ring seal of parabolic are just kept apart the corrosivity air-flow that passes through suction tude and outlet nozzle of the moving iron core of the moving element in the said electromagnetic valve body and the fixed core in the motion conduit of frame center and drive coil and said valve seat, and still can carry out effective switch control to the corrosivity air-flow.
2. novel anticorrosion erosion air-flow control electromagnetic valve according to claim 1; It is characterized in that: the edge that said valve seat is arranged in the big internal diameter of ladder that the inwall internal diameter of its outlet nozzle and suction tude lower end changes from small to big is inserted at the O-ring seal maximum diameter edge of the umbrella of said moving iron core or parabolic; One latch closure is arranged; The one of which end places and pushes down the O-ring seal maximum diameter edge of umbrella or parabolic; The little internal diameter size in the internal diameter size of this latch closure and valve base inner wall ladder place is suitable, and the negative common difference of the internal diameter that its outside dimension and valve base inner wall ladder place are big is suitable, and the other end of this latch closure is connected with the end of said skeleton towards valve seat.
3. novel anticorrosion erosion air-flow control electromagnetic valve according to claim 1, it is characterized in that: there is step the underpart of said solenoid valve valve seat or claims protuberance, and the mode that the groove of this step and plastic shell embeds each other is connected.
4. novel anticorrosion erosion air-flow control electromagnetic valve according to claim 1; It is characterized in that: the O-ring seal with umbrella or parabolic of said moving iron core; The protuberance of fluted and moving iron core joint embeds fastening each other in its center hole, and O-ring seal maximum outside diameter size is equivalent to the size of the big internal diameter of ladder that inwall internal diameter that valve seat is arranged in its air inlet nozzle and steam outlet pipe lower end changes from small to big.
5. novel anticorrosion erosion air-flow control electromagnetic valve according to claim 1; It is characterized in that: the cylindrical Returnning spring of the moving iron core of said bullet shaped is placed on moving iron core sub warhead fore-end; The outside dimension of the part of the moving cylindrical Returnning spring of iron core sub warhead front end suit is less than the internal diameter of cylindrical Returnning spring; Mounting spring outside dimension partly is unsuitable for the outside dimension of cylindrical Returnning spring and moving iron core; Therefore moving iron core sub warhead front end external diameter stepped change place has constituted the spacing bank of external cylindrical Returnning spring; The other end of the contact fixed core of cylindrical Returnning spring places the top of the anti-frustoconic shape groove of fixed core, and there is the wear-resisting hard chrome of one deck corrosion protection on moving iron core surface.
6. novel anticorrosion erosion air-flow control electromagnetic valve according to claim 1; It is characterized in that: there is the etch-proof hard chrome of one deck on said fixed core surface; Its terminal part is fluted, and the mode that embeds each other through the protuberance with the corresponding joint of plastic shell is connected and fixes.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201120282206XU CN202170836U (en) | 2011-08-04 | 2011-08-04 | Novel anticorrosion air flow control electromagnetic valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201120282206XU CN202170836U (en) | 2011-08-04 | 2011-08-04 | Novel anticorrosion air flow control electromagnetic valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202170836U true CN202170836U (en) | 2012-03-21 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201120282206XU Expired - Fee Related CN202170836U (en) | 2011-08-04 | 2011-08-04 | Novel anticorrosion air flow control electromagnetic valve |
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| CN (1) | CN202170836U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102269294A (en) * | 2011-08-04 | 2011-12-07 | 温伟光 | Novel anti-corrosion gas flow control electromagnetic valve |
| CN106762174A (en) * | 2016-12-23 | 2017-05-31 | 广州三业科技有限公司 | Oil cutting-off device and diesel engine |
-
2011
- 2011-08-04 CN CN201120282206XU patent/CN202170836U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102269294A (en) * | 2011-08-04 | 2011-12-07 | 温伟光 | Novel anti-corrosion gas flow control electromagnetic valve |
| CN106762174A (en) * | 2016-12-23 | 2017-05-31 | 广州三业科技有限公司 | Oil cutting-off device and diesel engine |
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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: 20120321 Termination date: 20170804 |