CN209483507U - Natural gas injector - Google Patents
Natural gas injector Download PDFInfo
- Publication number
- CN209483507U CN209483507U CN201821782833.8U CN201821782833U CN209483507U CN 209483507 U CN209483507 U CN 209483507U CN 201821782833 U CN201821782833 U CN 201821782833U CN 209483507 U CN209483507 U CN 209483507U
- Authority
- CN
- China
- Prior art keywords
- venthole
- sealing flange
- shell
- changer lever
- anchor ring
- 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
Classifications
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/10—Internal combustion engine [ICE] based vehicles
- Y02T10/30—Use of alternative fuels, e.g. biofuels
Abstract
The utility model discloses natural gas injectors, including shell, the inner cavity of the shell is rotationally equipped with changer lever, the inner wall lower of the shell is fixedly provided with sealing flange, the lower end of the changer lever passes through the sealing flange, the lower end of the changer lever, which is permanently connected, switching sphere, the inside of the sealing flange has two stage steps, two step surfaces of the two stage steps are respectively outer step anchor ring and interior step anchor ring, it is excessive that the outer step anchor ring and the interior step anchor ring pass through cyclic annular cambered surface, the top of the switching sphere is corresponding to the cyclic annular arc shape, the upper surface of the sealing flange is equipped with the venthole being axially arranged, the venthole is through to the cyclic annular cambered surface, the switching sphere is equipped with the air guide channel being axially arranged, the changer lever is able to rotate to the air guide channel and the venthole phase It is mutually aligned/is staggered.Switch sphere top with ring-type cambered surface be able to maintain it is good contact, so as to keep good air-tightness.
Description
Technical field
The utility model relates to a kind of natural gas injectors.
Background technique
Natural gas injector is the important component of engine, and effect is to supply gas fuel at regular time and quantity to start
Machine.The control mechanism being opened and closed using transmission slidingtype ball valve as gas circuit inside natural gas injector in the prior art.Ball valve
Including steel ball, spring and mandril.Steel ball is set in the air inlet of airflow channel.Spring is pressed against the bottom of steel ball, keeps steel ball
Airflow channel is clogged, to realize hermetic seal.The shell of mandril and natural gas injector is slidably connected, when mandril overcomes spring
Elastic force push steel ball, then steel ball is open, airflow channel conducting；When mandril resets, steel ball is multiple under the effect of spring force
Position, airflow channel are closed.However, steel ball reciprocatingly slides under the interaction of spring and mandril, thus repeatedly logical to air-flow
Collision is generated at the air inlet in road, causes to be easy to be hit at air inlet collapse, break so as to cause mutual at steel ball and air inlet
Poor contact causes gas tightness bad.
Summary of the invention
For overcome the deficiencies in the prior art, the purpose of this utility model is to provide a kind of natural gas injector, gas
It is hardly damaged at the air inlet of circulation road.
The purpose of this utility model adopts the following technical scheme that realization:
Natural gas injector, including shell, the inner cavity of the shell are rotationally equipped with changer lever, the inner wall of the shell
Lower part is fixedly provided with sealing flange, and the lower end of the changer lever passes through the sealing flange, and the lower end of the changer lever is fixed
Ground is connected with switching sphere, and the inside of the sealing flange has two stage steps, and two step surfaces of the two stage steps are distinguished
For outer step anchor ring and interior step anchor ring, the outer step anchor ring and the interior step anchor ring are excessive by cyclic annular cambered surface, described
The top for switching sphere is corresponding to the cyclic annular arc shape, and the upper surface of the sealing flange is equipped with the ventilation being axially arranged
Hole, the venthole are through to the cyclic annular cambered surface, and the switching sphere is equipped with the air guide channel being axially arranged, the changer lever
It being able to rotate to the air guide channel and the venthole and is mutually aligned/is staggered, the lower end of the shell is fixedly provided with spring stack,
The spring stack is arranged with spring, and the spring is held against the bottom wall of the switching sphere, the shell be equipped with air inlet and
Gas outlet, the air inlet is located at the bottom side of the sealing flange hereinafter, the gas outlet is located at the top side of the sealing flange
More than, the top of the shell is equipped with left installation cavity and right installation cavity, and the left installation cavity and the right installation cavity are equipped with electricity
Magnet, the top of the changer lever are fixedly provided with column magnetic pole, and the magnetic direction of the column magnetic pole is along its own a certain diameter
To.
Specifically, the quantity of the venthole is 1-4, and the venthole is uniformly distributed in the sealing flange upper surface
Left/right, the quantity of the air guide channel and distribution are corresponding to the venthole.
Compared with prior art, the utility model has the beneficial effects that:
Spring is held against the bottom wall of switching sphere, is kept in contact the top for switching sphere with cyclic annular cambered surface, forms gas
Sealing.The magnetic direction of column magnetic pole is along its own a certain radial direction, and the central axis of left installation cavity and right installation cavity about shell
Line is symmetrical.When the electromagnet in left installation cavity and right installation cavity is collectively formed towards the magnetic field of left direction, column magnetic pole is by magnetic
Field action, with changer lever and switching sphere turn on state together, air guide channel is just aligned with venthole at this time, make into
Port and gas outlet conducting, natural gas injector can be realized gas supply.When the electromagnet in left installation cavity and right installation cavity is anti-
To conduction, so that column magnetic pole is by magnetic fields, on the basis of above-mentioned on state when being collectively formed towards the magnetic field of right direction
The axis rotation 180 degree of upper changer lever of having mercy on together with changer lever and switching sphere, mutually staggers air guide channel with venthole, from
And it is not turned on air inlet and air outlet.
Spring is held against the bottom wall of switching sphere, produces relative sliding the top for switching sphere only with cyclic annular cambered surface,
Mutual collision will not be generated, is hit to avoid sealing flange and is collapsed, breaks, also, the top of switching sphere and cyclic annular cambered surface can
Good contact is kept, so as to keep good air-tightness.
Detailed description of the invention
Fig. 1 is half Section View of the natural gas injector of the utility model；
Fig. 2 is the partial view of Fig. 1.
In figure: 1, changer lever；2, sealing flange；21, outer step anchor ring；22, interior step anchor ring；23, cyclic annular cambered surface；24,
Venthole；3, switch sphere；31, air guide channel；4, spring；5, air inlet；6, gas outlet；7, left installation cavity；8, right installation cavity；
9, column magnetic pole；10, electromagnet.
Specific embodiment
In the following, being described further in conjunction with attached drawing and specific embodiment to the utility model, it should be noted that
Under the premise of not colliding, it can be formed in any combination between various embodiments described below or between each technical characteristic new
Embodiment.
See Fig. 1, Fig. 2, natural gas injector, including shell, the inner cavity of shell is rotationally equipped with changer lever 1.Shell
Inner wall lower is fixedly provided with sealing flange 2.The lower end of changer lever 1 passes through sealing flange 2, and the lower end of changer lever 1 fixedly connects
It is connected to switching sphere 3.The inside of sealing flange 2 has two stage steps, and two step surfaces of two stage steps are respectively outer step ring
Face 21 and interior step anchor ring 22, outer step anchor ring 21 and interior step anchor ring 22 pass through cyclic annular cambered surface 23 excessively.Switch the top of sphere 3
Portion is corresponding to cyclic annular 23 shape of cambered surface.The upper surface of sealing flange 2 is equipped with the venthole 24 being axially arranged, and venthole 24 is through to
Cyclic annular cambered surface 23.Switching sphere 3 is equipped with the air guide channel 31 being axially arranged, and changer lever 1 can drive switching sphere 3 to rotate, so that
Air guide channel 31 is mutually aligned/is staggered with venthole 24.The lower end of shell is fixedly provided with spring stack, and spring stack is arranged with spring
4, spring 4 is held against the bottom wall of switching sphere 3.Shell is equipped with air inlet 5 and gas outlet 6, and air inlet 5 is located at sealing flange 2
Bottom side hereinafter, gas outlet 6 is located at the top side of sealing flange 2 or more.The top of shell is equipped with left installation cavity 7 and right installation cavity 8,
Left installation cavity 7 and right installation cavity 8 are symmetrical about the central axis of shell, and left installation cavity 7 and right installation cavity 8 are equipped with electromagnet
10.The top of changer lever 1 is fixed with column magnetic pole 9, and the magnetic direction of column magnetic pole 9 is along its own a certain radial direction.
Spring 4 is held against the bottom wall of switching sphere 3, is kept in contact the top for switching sphere 3 with cyclic annular cambered surface 23, shape
At hermetic seal.The magnetic direction of column magnetic pole 9 is along its own a certain radial direction, and left installation cavity 7 and right installation cavity 8 are about shell
Central axis is symmetrical.When the electromagnet 10 in left installation cavity 7 and right installation cavity 8 is collectively formed towards the magnetic field of left direction, column
Shape magnetic pole 9 turns on state as shown in Figure 2 by magnetic fields, with changer lever 1 and switching sphere 3 together, air guide at this time
Channel 31 is just aligned with venthole 24, air inlet 5 and gas outlet 6 is connected, natural gas injector can be realized gas supply.Work as a left side
Electromagnet 10 in installation cavity 7 and right installation cavity 8 is reversed conductive, thus when being collectively formed towards the magnetic field of right direction, column
By magnetic fields, axis on the basis of Fig. 2 state with changer lever 1 and switching sphere 3 together rich changer lever 1 rotates magnetic pole 9
180 degree mutually staggers air guide channel 31 with venthole 24, so that air inlet 5 and gas outlet 6 be made to be not turned on.
Spring 4 is held against the bottom wall of switching sphere 3, generates the top for switching sphere 3 and cyclic annular cambered surface 23 opposite
Sliding, will not generate mutual collision, be hit to avoid sealing flange 2 and collapse, break, also, switch top and the annular arc of sphere 3
Face 23 is able to maintain good contact, so as to keep good air-tightness.
In the present embodiment, the quantity of venthole 24 and air guide channel 31 is one.
Alternately, the quantity of venthole 24 can be set to 2-4, and venthole 24 is uniformly distributed in sealing
The left or right side of 2 upper surface of flange, the quantity of air guide channel 31 and distribution are corresponding to venthole 24.By increasing venthole 24
Quantity, the flow of natural gas injector can be increased.
Above embodiment is only preferred embodiments of the present invention, cannot be protected with this to limit the utility model
Range, the variation of any unsubstantiality that those skilled in the art is done on the basis of the utility model and replacement belong to
In the utility model range claimed.
Claims (2)
1. natural gas injector, it is characterised in that: including shell, the inner cavity of the shell is rotationally equipped with changer lever, described
The inner wall lower of shell is fixedly provided with sealing flange, and the lower end of the changer lever passes through the sealing flange, the changer lever
Lower end be permanently connected and have switching sphere, the inside of the sealing flange has a two stage steps, two of the two stage steps
Step surface is respectively outer step anchor ring and interior step anchor ring, and the outer step anchor ring and the interior step anchor ring pass through cyclic annular cambered surface
Excessively, the top of the switching sphere is corresponding to the cyclic annular arc shape, and the upper surface of the sealing flange is equipped with axial set
The venthole set, the venthole are through to the cyclic annular cambered surface, and the switching sphere is equipped with the air guide channel being axially arranged, institute
It states changer lever and is able to rotate to the air guide channel and the venthole and be mutually aligned/be staggered, the lower end of the shell is fixedly set
There is spring stack, the spring stack is arranged with spring, and the spring is held against the bottom wall of the switching sphere, and the shell is equipped with
Air inlet and air outlet, the air inlet is located at the bottom side of the sealing flange hereinafter, the gas outlet is convex positioned at the sealing
More than the top side of edge, the top of the shell is equipped with left installation cavity and right installation cavity, the left installation cavity and the right installation cavity
Be equipped with electromagnet, the top of the changer lever is fixedly provided with column magnetic pole, the magnetic direction of the column magnetic pole along its from
The a certain radial direction of body.
2. natural gas injector according to claim 1, it is characterised in that: the quantity of the venthole is 1-4, described
Venthole is uniformly distributed in the left/right of the sealing flange upper surface, the quantity of the air guide channel and distribution with it is described
Venthole is corresponding.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821782833.8U CN209483507U (en) | 2018-10-31 | 2018-10-31 | Natural gas injector |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821782833.8U CN209483507U (en) | 2018-10-31 | 2018-10-31 | Natural gas injector |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209483507U true CN209483507U (en) | 2019-10-11 |
Family
ID=68114673
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821782833.8U Expired - Fee Related CN209483507U (en) | 2018-10-31 | 2018-10-31 | Natural gas injector |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209483507U (en) |
-
2018
- 2018-10-31 CN CN201821782833.8U patent/CN209483507U/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 |
Granted publication date: 20191011 Termination date: 20201031 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |