CN208236517U - A kind of oil-gas two-way carburetor with idle supplement structure - Google Patents
A kind of oil-gas two-way carburetor with idle supplement structure Download PDFInfo
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- CN208236517U CN208236517U CN201820813080.6U CN201820813080U CN208236517U CN 208236517 U CN208236517 U CN 208236517U CN 201820813080 U CN201820813080 U CN 201820813080U CN 208236517 U CN208236517 U CN 208236517U
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Abstract
The utility model relates to a kind of oil-gas two-way carburetor with idle supplement structure, including carburetor shell, the hybrid channel for mixing with air fuel oil or combustion gas, it is used to convey fuel oil or combustion gas enters the oil gas share channel of hybrid channel and is used to supplement the idle supplement channel of combustion gas input in hybrid channel；Hybrid channel is connected to air duct；Trunnion is provided in hybrid channel；The one end in oil gas share channel is connected to by an oil gas spout with hybrid channel；The other end in oil gas share channel is connected to by a fuel gas inlet with a gas valve, and oil gas share channel also passes through a fuel inlet and is connected to a fuel passage, and fuel passage is connected to carburetor bowl；The one end in idle supplement channel is connected to by a tonifying Qi spout with hybrid channel；Idle supplement channel is connected to by a tonifying Qi import with gas valve；The regulating device for adjusting fuel oil or combustion gas output size is provided on oil gas share channel and idle supplement channel.
Description
Technical field
The utility model relates to technical field of engines more particularly to a kind of oil-gas two-ways with idle supplement structure
Oily device.
Background technique
Existing oil-gas two-way carburetor idle fuel way and air flue be it is shared, it the shortcomings that be the big of shared oil gas road
Small is the same, and oil is different with the density of gas, and oily density is greater than the density of gas, so that when generating with oil and with gas idling
The concentration of the different situation of the concentration of carburetor, general oil is greater than the concentration of gas, the so suitable feelings of air-fuel ratio when with oil
Under condition, air-fuel ratio when with gas is just relatively low, will cause unstable idle speed and the anxious bad phenomenon for accelerating to stop working.
Utility model content
The utility model proposes a kind of oil-gas two-way carburetors with idle supplement structure, this has idle supplement structure
Oil-gas two-way carburetor, idle supplement structure is increased on the basis of original structure, compensates for existing oil-gas two-way completely
The defect that carburetor idling oil gas cannot be taken into account.
The technical solution of the utility model is as follows:
A kind of oil-gas two-way carburetor with idle supplement structure, including carburetor shell, for by fuel oil or combustion gas
The hybrid channel that mixes with air, for convey fuel oil or combustion gas enter the oil gas share channel of hybrid channel and for supplementing it is mixed
Close the idle supplement channel of combustion gas input in channel；The hybrid channel, oil gas share channel and idle supplement channel are respectively provided with
In carburetor shell；The hybrid channel is connected to air duct；Trunnion is provided in the hybrid channel；The oil gas is total
It is connected to by an oil gas spout with hybrid channel with the one end in channel；The other end in the oil gas share channel by a combustion gas into
Mouth is connected to a gas valve, and the oil gas share channel also passes through a fuel inlet and is connected to a fuel passage, the fuel pipe
Road is connected to carburetor bowl；The one end in the idle supplement channel is connected to by a tonifying Qi spout with hybrid channel；It is described idle
Fast air supply passage is connected to by a tonifying Qi import with the gas valve；It is all provided on the oil gas share channel and idle supplement channel
It is equipped with the regulating device for adjusting fuel oil or combustion gas output size.
Further, the regulating device on the idle supplement channel includes connection idle supplement channel and exterior space
The adjusting cavity of cylindrical body and the metering needle being threaded in adjusting cavity；The head end of the metering needle is taper and protrudes into
In idle supplement channel, the metering needle end is provided with and the "-" type of driver bit cooperation or criss-cross groove.
Further, the regulating device further includes a spring；The adjusting cavity includes close to idle supplement channel one
Second cavity of the first cavity of side and the close exterior space side being connect with the first cavity；The internal diameter of second cavity is big
In the internal diameter of the first cavity；The metering needle is threadedly coupled with the first cavity；The metering needle end is provided with protrusion outward, institute
It is equal with the second cavity inside diameter to state protrusion diameter；The spring is arranged in the second cavity and is set in outside metering needle, the bullet
Spring both ends bear against the expanding place between protrusion and the first cavity and the second cavity.
The utility model has the following beneficial effects:
1, there is the utility model the oil-gas two-way carburetor of idle supplement structure to increase idle supplement channel, effectively
The defect that existing oil-gas two-way carburetor idling oil gas cannot be taken into account is compensated for, overall structure is simple and reliable, and it is easy to operate, completely
It can achieve the using effect of oil-gas two-way carburetor.
2, the utility model has oil gas share channel and the idle supplement of the oil-gas two-way carburetor of idle supplement structure
Channel has independent regulating device, can adjust respectively to reach the input for controlling fuel oil and combustion gas respectively, practical.
3, the utility model has the oil-gas two-way carburetor structure of idle supplement structure excellent, ingenious in design, practicability
By force.
Detailed description of the invention
Fig. 1 is the structural schematic diagram for the oil-gas two-way carburetor that the utility model has idle supplement structure；
Fig. 2 is the sectional view in Fig. 1 along the direction A-A；
Fig. 3 is the sectional view in Fig. 1 along the direction B-B；
Fig. 4 is the structural schematic diagram of the metering needle for the oil-gas two-way carburetor that the utility model has idle supplement structure；
Fig. 5 is the oil gas share channel that the utility model has idle supplement structure and idle supplement channel outside carburetor
Positional diagram in shell；
Fig. 6 is that the utility model has positional relationship of the oil gas share channel of idle supplement structure in carburetor shell
Schematic diagram
Fig. 7 is that the utility model has positional relationship of the idle supplement channel of idle supplement structure in carburetor shell
Schematic diagram.
Appended drawing reference indicates in figure are as follows:
1, hybrid channel；11, trunnion；12, air duct；2, oil gas share channel；21, oil gas spout；22, combustion gas into
Mouthful；23, fuel inlet；24, fuel passage；3, idle supplement channel；31, tonifying Qi spout；32, tonifying Qi import；4, regulating device；
41, cavity is adjusted；411, the first cavity；412, the second cavity；413, expanding place；42, metering needle；421, groove；422, protrusion；
43, spring；9, carburetor shell.
Specific embodiment
The utility model is described in detail in the following with reference to the drawings and specific embodiments.
Referring to Fig. 1 to Fig. 7, a kind of oil-gas two-way carburetor with idle supplement structure, including carburetor shell 9, use
In the hybrid channel 1 for mixing with air fuel oil or combustion gas, it is used to convey fuel oil or combustion gas enters the oil gas share of hybrid channel 1
Channel 2 and idle supplement channel 3 for supplementing combustion gas input in hybrid channel 1；The hybrid channel 1, oil gas share channel 2
It is arranged in carburetor shell 9 with idle supplement channel 3；The hybrid channel 1 is connected to air duct 12；The mixing is logical
Trunnion 11 is provided in road 1, trunnion 11 is in wasp waist shape, i.e., is shape and wasp waist class at the undergauge of hybrid channel 1 at trunnion 11
Seemingly；The one end in the oil gas share channel 2 is connected to by an oil gas spout 21 with hybrid channel 1；The oil gas share channel 2
The other end is connected to by a fuel gas inlet 22 with a gas valve, and the oil gas share channel 2 also passes through a fuel inlet 23 and one
Fuel passage 24 is connected to, and the fuel passage 24 is connected to carburetor bowl, and float chamber is a shoe cream room；The idle supplement is logical
The one end in road 3 is connected to by a tonifying Qi spout 31 with hybrid channel 1；The idle supplement channel 3 by a tonifying Qi import 32 with
The gas valve connection；It is provided on the oil gas share channel 2 and idle supplement channel 3 and goes out for adjusting fuel oil or combustion gas
Measure the regulating device 4 of size.
Further, the regulating device 4 on the idle supplement channel 3 includes that connection idle supplement channel 3 and outside are empty
Between cylindrical body adjusting cavity 41 and be threaded in adjust cavity 41 in metering needle 42；The head end of the metering needle 42
For taper and protrude into idle supplement channel 3,42 end of metering needle be provided with driver bit cooperation "-" type or
Criss-cross groove 421.
Further, the regulating device 4 further includes a spring 43；The adjusting cavity 41 includes logical close to idle supplement
Second cavity 412 of the first cavity 411 of 3 side of road and the close exterior space side being connect with the first cavity 411；Described
The internal diameter of two cavitys 412 is greater than the internal diameter of the first cavity 411；The metering needle 42 is threadedly coupled with the first cavity 411；The tune
42 end of markingoff pin is provided with protrusion 422 outward, and 422 diameter of protrusion is equal with 412 internal diameter of the second cavity；The spring 43 is set
It sets in the second cavity 412 and is set in outside metering needle 42,43 both ends of spring are born against in protrusion 422 and the first cavity
411 and the second expanding place 413 between cavity 412.
The workflow of the utility model is as follows:
Blowing air in hybrid channel 1, moving air flow velocity at the trunnion 11 of hybrid channel 1 becomes faster, due to the big pressure of flow velocity
Strong small principle, oil gas share channel 2 and fuel oil in idle supplement channel 3 or combustion gas are respectively from oil gas spout 21 and tonifying Qi spout
It is sucked out at a high speed at 31, is hit with the air draught of 11 high speed of trunnion flowing and generate atomization together.
When with oil, fuel oil enters hybrid channel 1 by oil gas share channel 2, and idle supplement channel 3 will have a small amount of air
Be inhaled into hybrid channel 1, due to the air in idle supplement channel 3 compared with air inlet amount in hybrid channel 1 accounting very little,
The influence of the air-fuel ratio of engine idling condition can be ignored, will not influence the normal operation of engine.
When with gas, the combustion gas in gas valve passes through oil gas share channel 2 and idle supplement channel 3 respectively and enters hybrid channel
1, the metering needle 42 adjusted in regulating device 4 is located at the position control in idle supplement channel 3 and additionally supplies 1 combustion gas of hybrid channel
Input, metering needle 42 more protrudes into idle supplement channel 3, and the head end of taper stops the channel in idle supplement channel 3
Sectional area is bigger, and the combustion gas input in idle supplement channel 3 is smaller.
The above description is only the embodiments of the present invention, and therefore it does not limit the scope of the patent of the utility model, all
Equivalent structure or equivalent flow shift made based on the specification and figures of the utility model, is applied directly or indirectly in
Other related technical areas are also included in the patent protection scope of the utility model.
Claims (3)
1. a kind of oil-gas two-way carburetor with idle supplement structure, it is characterised in that: including carburetor shell (9), be used for
By hybrid channel (1) that fuel oil or combustion gas mix with air, for convey fuel oil or combustion gas enter hybrid channel (1) oil gas it is total
Idle supplement channel (3) with channel (2) and for supplementing the interior combustion gas input in hybrid channel (1)；The hybrid channel (1), oil
Gas common-use tunnel (2) and idle supplement channel (3) are arranged in carburetor shell (9)；The hybrid channel (1) and air are logical
Road (12) connection；Trunnion (11) are provided in the hybrid channel (1)；One end of the oil gas share channel (2) passes through an oil
Gas blowout mouth (21) is connected to hybrid channel (1)；The other end of the oil gas share channel (2) passes through a fuel gas inlet (22) and one
Gas valve connection, the oil gas share channel (2) are also connected to by a fuel inlet (23) with a fuel passage (24), the combustion
Oil-piping (24) is connected to carburetor bowl；One end of the idle supplement channel (3) by a tonifying Qi spout (31) with mix
Channel (1) connection；The idle supplement channel (3) is connected to by a tonifying Qi import (32) with the gas valve；The oil gas is total
With the regulating device (4) being provided on channel (2) and idle supplement channel (3) for adjusting fuel oil or combustion gas output size.
2. a kind of oil-gas two-way carburetor with idle supplement structure according to claim 1, it is characterised in that: described
Regulating device (4) on idle supplement channel (3) includes the adjusting of the cylindrical body of connection idle supplement channel (3) and exterior space
Cavity (41) and the metering needle (42) being threaded in adjusting cavity (41)；The head end of the metering needle (42) be taper and
It protrudes into idle supplement channel (3), metering needle (42) end is provided with "-" type or cross with driver bit cooperation
The groove (421) of shape.
3. a kind of oil-gas two-way carburetor with idle supplement structure according to claim 2, it is characterised in that: described
Regulating device (4) further includes a spring (43)；Adjust cavity (41) include close to the first of idle supplement channel (3) side
The second cavity (412) of cavity (411) and the close exterior space side being connect with the first cavity (411)；Second cavity
(412) internal diameter is greater than the internal diameter of the first cavity (411)；The metering needle (42) is threadedly coupled with the first cavity (411)；It is described
Metering needle (42) end is provided with protrusion (422) outward, and protrusion (422) diameter is equal with the second cavity (412) internal diameter；Institute
Spring (43) setting is stated in the second cavity (412) and is set in metering needle (42) outside, spring (43) both ends are born against
Expanding place (413) between protrusion (422) and the first cavity (411) and the second cavity (412).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820813080.6U CN208236517U (en) | 2018-05-29 | 2018-05-29 | A kind of oil-gas two-way carburetor with idle supplement structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820813080.6U CN208236517U (en) | 2018-05-29 | 2018-05-29 | A kind of oil-gas two-way carburetor with idle supplement structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208236517U true CN208236517U (en) | 2018-12-14 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820813080.6U Active CN208236517U (en) | 2018-05-29 | 2018-05-29 | A kind of oil-gas two-way carburetor with idle supplement structure |
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| CN (1) | CN208236517U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110030118A (en) * | 2019-04-21 | 2019-07-19 | 福建省福鼎市金星通用机化油器有限公司 | A kind of novel tonifying Qi fuel-saving carburettor |
| CN114483397A (en) * | 2021-12-29 | 2022-05-13 | 潍柴动力股份有限公司 | Dual-fuel injection device and dual-fuel engine |
-
2018
- 2018-05-29 CN CN201820813080.6U patent/CN208236517U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110030118A (en) * | 2019-04-21 | 2019-07-19 | 福建省福鼎市金星通用机化油器有限公司 | A kind of novel tonifying Qi fuel-saving carburettor |
| CN114483397A (en) * | 2021-12-29 | 2022-05-13 | 潍柴动力股份有限公司 | Dual-fuel injection device and dual-fuel engine |
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