CN206503943U - A kind of CNG automobile high-pressure solenoid valve - Google Patents
A kind of CNG automobile high-pressure solenoid valve Download PDFInfo
- Publication number
- CN206503943U CN206503943U CN201720086752.3U CN201720086752U CN206503943U CN 206503943 U CN206503943 U CN 206503943U CN 201720086752 U CN201720086752 U CN 201720086752U CN 206503943 U CN206503943 U CN 206503943U
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- CN
- China
- Prior art keywords
- valve
- pressure solenoid
- solenoid valve
- rod
- automobile high
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- 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
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Abstract
The utility model discloses a kind of CNG automobile high-pressure solenoid valve, including the valve rod being connected with valve body, stem internal is equipped with valve element and iron core from bottom to top, and the iron core top is provided with spring eye, spring eye is built with spring, and spring upper end is extended to be connected outside spring eye with screw rod；Screw rod top is extended to outside valve rod, and the part that screw rod is extended to outside valve rod is provided with retaining mechanism, and coil is enclosed on iron core outer wall by retaining mechanism, and iron core can be along itself axial movement.A kind of CNG automobile high-pressure solenoid valve of the utility model, solves that existing high-pressure solenoid valve is complicated, and blast tube is long, the problem of flow is less than normal.
Description
Technical field
The utility model is related to CNG automobile valve manufacture field, and in particular to a kind of CNG automobile high-pressure solenoid valve.
Background technology
For the benefit of environmental protection, for the use of the energy, the green energy resource of environmental pollution can be reduced by vigorously promoting the use, pressure
Contracting natural gas (CNG) is used widely as energy source of car.But, current CNG automobile uses natural gas, gasoline dual-purpose mostly
Dual-energy source automobile, vapour oil and gas needs to be changed in vehicle traveling process, using during natural gas by conversion open
Natural gas is unobstructed in the Electronic control pressure duct of pass, and day in change-over switch Electronic control pressure duct is passed through when using gasoline
The closing of right gas.Accordingly, it would be desirable to be opened and closed using high-pressure solenoid valve to the natural gas in pressure duct.And in the market is existing
High-pressure solenoid valve is complicated, and blast tube is long, and flow is less than normal.
Utility model content
The purpose of this utility model is to provide a kind of CNG automobile high-pressure solenoid valve, the existing high-pressure solenoid valve knot of solution
Structure is complicated, and blast tube is long, the problem of flow is less than normal.
The utility model is achieved through the following technical solutions：
A kind of CNG automobile high-pressure solenoid valve, including the valve rod being connected with valve body, stem internal from bottom to top equipped with valve element and
Iron core, the iron core top is provided with spring eye, and spring eye is built with spring, and spring upper end is extended to outside spring eye and in screw rod
Lower section；Screw rod top is extended to outside valve rod, and the part that screw rod is extended to outside valve rod is provided with retaining mechanism, and coil passes through the machine of locking
Structure is enclosed on iron core outer wall, and iron core can move axially along itself and can gradually move up holddown spring.
Principle of the present utility model is：During energization, coil produce electromagnetic force iron core is lifted up, by connector with
The valve element of iron core connection is raised, and valve is opened, and natural gas passes through magnetic valve；During power-off, electromagnetic force disappears, and the elastic force of spring will
Valve core reset, valve is closed, and natural gas is ended by magnetic valve.Valve rod is used to support valve element and iron core and for being connected with valve body,
Screw rod, setting-up piece and locking nut coordinate for fixed coil.
Wherein, the retaining mechanism includes setting-up piece, packing ring and locking nut, the setting-up piece and pad from bottom to top
Snare is on screw rod, and locking nut coordinates coil pressing with screw rod.
Wherein, the valve body is provided with inlet channel, intake interface, outlet chamber, outlet passageway, outlet interface and processing
Hole；Inlet suction port is installed, the intake interface is engaged with inlet suction port on intake interface；The outlet passageway is from outlet chamber side
Wall extends to processing hole to upper right side, and the direction and inlet channel and valve rod of the outlet interface are axially vertical；Process on hole
Screw plug is installed, the processing hole is engaged with screw plug.This structure setting is easy to outlet interface to enter with combustion gas pressure duct pressure-reducing valve
Gas end is connected.
Wherein, the inlet channel of the valve body is sequentially provided with filer felt and screen pack along airintake direction.This structure setting
Entrained solid granule foreign in natural gas can be effectively removed, the damage to magnetic valve is reduced, extends the magnetic valve life-span.
Wherein, inlet suction port is provided with cutting ferrule, and cutting ferrule outer end is provided with sleeve cap.Cutting ferrule and sleeve cap be provided for and
CNG automobile combustion gas pressure duct is connected.
Wherein, the valve element is connected by connector with mandrel lower, and the valve rod is engaged with valve body internal thread, the lock
Tight nut is engaged with external thread of screw.The connector is preferably pin.
Wherein, between the intake interface and inlet suction port of the valve body be provided with the first aluminium pad, the processing hole of the valve body with
The second aluminium pad is provided between screw plug.The areal pressure for having gas to circulate is higher, can be effectively increased with the aluminium pad sealing of metal material
The air-tightness of electromagnetic valve device.
Wherein, the first O-ring seal is provided between the valve body and valve element, the 2nd O is provided between the valve body and valve rod
Type sealing ring.Preferable sealing effectiveness can be achieved with O-ring seal sealing in non-pressure region.
Wherein, back-up ring and the 3rd O-ring seal are sequentially provided with from bottom to top between the valve rod and screw rod.
The utility model compared with prior art, has the following advantages and advantages：A kind of CNG vapour of the utility model
Overall height pressure electromagnetic valve, it is its simple structure, easy to process, blast tube is shortened, gas flow can be effectively increased.Outlet passageway with
The structure setting of outlet interface is easy to outlet interface to be connected with combustion gas pressure duct pressure-reducing valve inlet end.Inlet channel is along air inlet side
Entrained solid granule foreign in natural gas can be effectively removed to the filer felt and screen pack being sequentially provided with, is reduced to electromagnetism
The damage of valve, extends the magnetic valve life-span.The areal pressure for having gas to circulate is higher, can effectively be increased with the aluminium pad sealing of metal material
Plus the air-tightness of electromagnetic valve device.Preferable sealing effectiveness can be achieved with O-ring seal sealing in non-pressure region.
Brief description of the drawings
Accompanying drawing described herein is used for providing further understanding the utility model embodiment, constitutes the one of the application
Part, does not constitute the restriction to the utility model embodiment.In the accompanying drawings：
Fig. 1 is a kind of structural representation of CNG automobile high-pressure solenoid valve of the utility model；
Fig. 2 be in Fig. 1 A-A to sectional view.
Mark and corresponding parts title in accompanying drawing：
1- sleeve caps, 2- cutting ferrules, 3- inlet suction ports, 4- the first aluminium pads, 5- filtration core felts, 6- screen packs, 7- valve bodies, 8-
Second aluminium pad, 9- screw plugs, the O-ring seals of 10- first, 11- valve elements, 12- connectors, 13- iron cores, the O-ring seals of 14- second,
15- valve rods, 16- springs, 17- back-up rings, the O-ring seals of 18- the 3rd, 19- screw rods, 20- coils, 21- packing rings, 22- locking nuts,
23- setting-up pieces, 24- coil pins, 25- outlet chambers, 26- outlet passageways, 27- outlet interfaces.
Embodiment
For the purpose of this utility model, technical scheme and advantage is more clearly understood, with reference to embodiment and accompanying drawing,
The utility model is described in further detail, and exemplary embodiment of the present utility model and its explanation are only used for explaining this
Utility model, is not intended as limiting of the present utility model.
Embodiment
As depicted in figs. 1 and 2, in a kind of CNG automobile high-pressure solenoid valve, including the valve rod 15 being connected with valve body 7, valve rod 15
Portion is equipped with valve element 11 and iron core 13 from bottom to top, and the top of iron core 13 is provided with spring eye, and spring eye is built with spring 16, spring
16 upper ends are extended to outside spring eye and in the lower section of screw rod 19；The top of screw rod 19 is extended to outside valve rod 15, and screw rod 19 extends to valve
Part outside bar 15 is provided with retaining mechanism, and coil 20 is enclosed on the outer wall of iron core 13 by retaining mechanism, and iron core 13 can be along itself
Move axially and can gradually move up holddown spring 16.The retaining mechanism includes setting-up piece 23, pad from bottom to top
Circle 21 and locking nut 22, the setting-up piece 23 and packing ring 21 are enclosed on screw rod 19, and locking nut 22 matches somebody with somebody combined pressure with screw rod 19
Stringing circle 20.The valve body 7 is provided with inlet channel, intake interface, outlet chamber 25, outlet passageway 26, outlet interface 27 and adds
Work hole；Inlet suction port 3 is installed, the intake interface is engaged with inlet suction port 3 on intake interface；The outlet passageway 26 is from going out
The side wall of air cavity 25 extends to processing hole to upper right side, and direction and the inlet channel and valve rod 15 of the outlet interface 27 axially hang down
Directly；Processing is provided with screw plug 9 on hole, and the processing hole is engaged with screw plug 9.The inlet channel of valve body 7 is set successively along airintake direction
There are filer felt 5 and screen pack 6.Inlet suction port 3 is provided with cutting ferrule 2, and the outer end of cutting ferrule 2 is provided with sleeve cap 1.Valve element 11 passes through connection
Part 12 is connected with the bottom of iron core 13, and valve rod 15 is engaged with the internal thread of valve body 7, and locking nut 22 is engaged with the external screw thread of screw rod 19.Valve
The first aluminium pad 4 is provided between the intake interface and inlet suction port 3 of body 7, the second aluminium is provided between the processing hole of valve body 7 and screw plug 9
Pad 8.The first O-ring seal 10 is provided between valve body 7 and valve element 11, the second O-ring seal is provided between valve body 7 and valve rod 15
14, the O-ring seal 18 of back-up ring 17 and the 3rd is sequentially provided between valve rod 15 and screw rod 19 from bottom to top.
By a kind of inlet suction port 3 of CNG automobile high-pressure solenoid valve of the utility model and CNG automobile combustion gas high-voltage tube when using
Road is connected, and outlet interface is connected with combustion gas pressure duct pressure-reducing valve inlet end, and the fuel gas alternative of coil pins 24 and automobile is switched
Output end is connected, and change-over switch is opened during running car, when using natural gas as the energy, water temperature and engine speed is met
High-pressure solenoid valve is automatically opened up after condition, makes natural gas in pressure duct unobstructed, providing natural gas to automobile is used as the energy；Make
When using gasoline, close change-over switch high-pressure solenoid valve and close automatically, gasoline is provided from automobile oil-way to automobile, automobile is converted to vapour
Oil is used as the energy.The utility model is simple and compact for structure, and fabrication and installation are convenient, and easy to operate, stability of flow can be safely and reliably
Control is implemented in keying to energy source of car natural gas, so as to realize the conversion of energy source of car natural gas, gasoline.
Above-described embodiment, is entered to the purpose of this utility model, technical scheme and beneficial effect
One step is described in detail, be should be understood that and be the foregoing is only embodiment of the present utility model, is not used to limit
Fixed protection domain of the present utility model, all any modifications within spirit of the present utility model and principle, made, is equally replaced
Change, improve, should be included within protection domain of the present utility model.
Claims (9)
1. a kind of CNG automobile high-pressure solenoid valve, including the valve rod (15) being connected with valve body (7), it is characterised in that in valve rod (15)
Portion is equipped with valve element (11) and iron core (13) from bottom to top, and iron core (13) top is provided with spring eye, and spring eye is built with spring
(16), spring (16) upper end is extended to outside spring eye and below screw rod (19)；Screw rod (19) top extends to valve rod (15)
Outside, screw rod (19) extends to the part of valve rod (15) outside provided with retaining mechanism, and coil (20) is enclosed on iron core by retaining mechanism
(13) outer wall, iron core (13) can move axially along itself and can gradually move up holddown spring (16).
2. a kind of CNG automobile high-pressure solenoid valve according to claim 1, it is characterised in that the retaining mechanism from lower and
Upper to include setting-up piece (23), packing ring (21) and locking nut (22), the setting-up piece (23) and packing ring (21) are enclosed on screw rod
(19) on, locking nut (22) coordinates coil pressing (20) with screw rod (19).
3. a kind of CNG automobile high-pressure solenoid valve according to claim 1, it is characterised in that the valve body (7) be provided with into
Gas passage, intake interface, outlet chamber (25), outlet passageway (26), outlet interface (27) and processing hole；It is provided with intake interface
Inlet suction port (3), the intake interface is engaged with inlet suction port (3)；The outlet passageway (26) from outlet chamber (25) side wall to
Upper right side extends to processing hole, and the direction and inlet channel and valve rod (15) of the outlet interface (27) are axially vertical；Processing
Screw plug (9) is installed, the processing hole is engaged with screw plug (9) on hole.
4. a kind of CNG automobile high-pressure solenoid valve according to claim 3, it is characterised in that the air inlet of the valve body (7) is led to
Road is sequentially provided with filer felt (5) and screen pack (6) along airintake direction.
5. a kind of CNG automobile high-pressure solenoid valve according to claim 3, it is characterised in that set on the inlet suction port (3)
There is cutting ferrule (2), cutting ferrule (2) outer end is provided with sleeve cap (1).
6. a kind of CNG automobile high-pressure solenoid valve according to claim 1, it is characterised in that the valve element (11) passes through even
Fitting (12) is connected with iron core (13) bottom, and the valve rod (15) is engaged with valve body (7) internal thread, the locking nut (22) with
Screw rod (19) external screw thread is engaged.
7. a kind of CNG automobile high-pressure solenoid valve according to claim 3, it is characterised in that the air inlet connecting of the valve body (7)
The first aluminium pad (4) is provided between mouth and inlet suction port (3), the second aluminium is provided between the processing hole of the valve body (7) and screw plug (9)
Pad (8).
8. a kind of CNG automobile high-pressure solenoid valve according to claim 1, it is characterised in that the valve body (7) and valve element
(11) the first O-ring seal (10) is provided between, the second O-ring seal (14) is provided between the valve body (7) and valve rod (15).
9. a kind of CNG automobile high-pressure solenoid valve according to any one of claim 1-8 claim, it is characterised in that
Back-up ring (17) and the 3rd O-ring seal (18) are sequentially provided with from bottom to top between the valve rod (15) and screw rod (19).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720086752.3U CN206503943U (en) | 2017-01-23 | 2017-01-23 | A kind of CNG automobile high-pressure solenoid valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720086752.3U CN206503943U (en) | 2017-01-23 | 2017-01-23 | A kind of CNG automobile high-pressure solenoid valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206503943U true CN206503943U (en) | 2017-09-19 |
Family
ID=59834479
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720086752.3U Expired - Fee Related CN206503943U (en) | 2017-01-23 | 2017-01-23 | A kind of CNG automobile high-pressure solenoid valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206503943U (en) |
-
2017
- 2017-01-23 CN CN201720086752.3U patent/CN206503943U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| 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: 20170919 Termination date: 20220123 |