CN104234873B - A kind of exact mix adjuster - Google Patents
A kind of exact mix adjuster Download PDFInfo
- Publication number
- CN104234873B CN104234873B CN201410494490.5A CN201410494490A CN104234873B CN 104234873 B CN104234873 B CN 104234873B CN 201410494490 A CN201410494490 A CN 201410494490A CN 104234873 B CN104234873 B CN 104234873B
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- CN
- China
- Prior art keywords
- air
- inlet pipe
- connecting rod
- gas inlet
- housing
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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.)
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Classifications
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- 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
A kind of exact mix adjuster, it includes housing and air nozzle；The housing opens up the mixed gas outlet being sequentially communicated, diffusion hybrid chamber, hybrid chamber, negative pressure cavity and air inlet from left to right；It is intraoral that the air nozzle is installed on the air inlet；The roof of the housing is provided with gas inlet pipe, and the gas inlet pipe connects the negative pressure cavity.Foregoing invention is simple in construction light and handy, it is ensured that accurate suitable air-fuel ratio, effectively improves the utilization rate of combustion gas and air, optimizes mixed effect, easy to adjust, is not required to professional's maintenance, production cost and maintenance cost are low.
Description
Technical field
The present invention relates to a kind of exact mix adjuster.
Background technology
At present, mixture ratio regulator completes burning using regulation air and the respective supply ratio of combustion gas mostly, mixes
Close effect poor.In addition, the existing general volume of mixture ratio regulator is larger, connector is more, complex structure and be required for install phase
Metering pin valve is closed, is unfavorable for installing and sealing, needs professional to be adjusted using professional tool, and is difficult regulation essence
Really.
The content of the invention
In view of the shortcomings of the prior art, the purpose of the present invention is intended to provide one kind and can solve above-mentioned technical problem and accurately mix
Composition and division in a proportion adjuster.
To achieve the above object, the present invention is adopted the following technical scheme that：
A kind of exact mix adjuster, it includes housing and air nozzle；
The housing opens up the mixed gas outlet being sequentially communicated, diffusion hybrid chamber, hybrid chamber, negative pressure cavity and air from left to right
Air inlet；It is intraoral that the air nozzle is installed on the air inlet；The roof of the housing is provided with gas inlet pipe, the gas inlet pipe
Connect the negative pressure cavity.
Preferably, the sectional area of the right air inlet of the negative pressure cavity is bigger than the sectional area of left gas outlet.
Preferably, the radial section of the diffusion hybrid chamber is gradually reduced from left to right.
Preferably, this mixture ratio regulator also includes a regulation screw mandrel, and the regulation screw mandrel includes a columned connecting rod
With two columned locating rods；The connecting rod is connected between two locating rods, the connecting rod and two locating rod coaxial lines, connecting rod
Radial section be less than locating rod radial section；Periphery per a positioning rod is provided with screw thread, on the end face per a positioning rod
Provided with adjustment portion；The circumferential wall of the gas inlet pipe extends outward two relative screw mandrel installing pipes, the threaded connection of two locating rods
In in two screw mandrel installing pipes, the connecting rod is located in the gas inlet pipe, between the connecting rod and the tube wall of the gas inlet pipe
Provided with air inlet interval.
Preferably, this mixture ratio regulator also includes two fasteners and two sealing rings, and two fasteners pass through two sealings respectively
Circle is removably installed in the end of two screw mandrel installing pipes.
Preferably, the diameter of the connecting rod, length are identical with the interior diameter of the gas inlet pipe.
Preferably, the adjustment portion is yi word pattern groove.
Preferably, this hybrid regulator also includes flange and flange gasket, and the flange is sealed by the flange gasket and installed
In the air inlet of the housing.
Beneficial effects of the present invention are as follows：
Foregoing invention to air in the presence of air nozzle when carrying out quick increasing supply, the negative pressure ability of the negative pressure cavity
Also can accordingly it increase, the combustion gas of suction will also increase, so that combustion gas inlet and air inlet increase into ratio, such as
This, can ensure accurate suitable air-fuel ratio automatically, so as to effectively improve the utilization rate of combustion gas and air, optimize mixed effect.
In addition, the regulation screw mandrel of the present invention can be finely adjusted to combustion gas inlet, optimal air-fuel ratio is realized, it is not necessary to specially
Industry knowledge and professional tool are that can be achieved, very convenient.
Foregoing invention is simple in construction light and handy, it is ensured that accurate suitable air-fuel ratio, effectively improves combustion gas and the utilization of air
Rate, optimizes mixed effect, easy to adjust, is not required to professional's maintenance, production cost and maintenance cost are low.
Brief description of the drawings
Fig. 1 is the stereogram of the better embodiment of exact mix adjuster of the present invention.
Fig. 2 is the longitudinal sectional view of Fig. 1 exact mix adjuster.
Fig. 3 is the partial sectional view in the A-A directions of Fig. 2 exact mix adjuster.
Fig. 4 is the partial sectional view in the B-B directions of Fig. 2 exact mix adjuster.
Embodiment
Below in conjunction with accompanying drawing and embodiment, the present invention is described further：
Fig. 1 to Fig. 4 is referred to, the present invention relates to a kind of exact mix adjuster, its better embodiment includes housing
10 and air nozzle 40.
The housing 10 opens up the mixed gas outlet 11 being sequentially communicated, diffusion hybrid chamber 12, hybrid chamber 13, negative pressure from left to right
Chamber 14 and air inlet.It is intraoral that the air nozzle 40 is installed on the air inlet.The roof of the housing 10 is provided with gas inlet
Pipe 16, the gas inlet pipe 16 connects the negative pressure cavity 14.
The air nozzle 40 is used to accelerate air velocity and increase air containment, can farthest reduce disappearing for air
Consumption.The potential energy of air is transformed into kinetic energy by the air nozzle 40, using ejector action come the certain gas quantity of further injection.It is excellent
Selection of land, the L/D ratio of the air nozzle 40Nozzle draws angle of throat β for 50 ° to 60 °.
The negative pressure cavity 14 enters fashionable drag losses under the ejector action of air nozzle 40 for reducing combustion gas, improves combustion
Gas utilization rate.Preferably, the sectional area of the right air inlet of the negative pressure cavity 14 is bigger than the sectional area of left gas outlet such as 2 to 4 times.
The hybrid chamber 13 is used to make combustion gas and air carry out being thoroughly mixed to form mixed gas, its velocity field, concentration field and
Temperature field is evenly distributed.Preferably, the length of the hybrid chamber 13 is lmix=(1~3) dt, wherein, dtRefer to hybrid chamber 13
Diameter.
The diffusion hybrid chamber 12 is used to make the part dynamic pressure of mixed gas be changed into static pressure, to improve the pressure of mixed gas,
In addition, it makes combustion gas be further well mixed with air.In the present embodiment, the radial section of the diffusion hybrid chamber 12 is from left to right
It is gradually reduced.The subtended angle α of the diffusion hybrid chamber 12 is 6 ° to 8 °.
The air of foregoing invention is when carrying out quick increasing supply in the presence of air nozzle 40, the negative pressure of the negative pressure cavity 14
Ability can also be increased, and the combustion gas of suction will also increase, so that combustion gas inlet and air inlet increase into ratio, such as
This, can ensure suitable air-fuel ratio automatically, so as to effectively improve the utilization rate of combustion gas and air, optimize mixed effect.
In the present embodiment, this mixture ratio regulator also includes a regulation screw mandrel 50, and it is cylindric that the regulation screw mandrel 50 includes one
The columned locating rod 51 of connecting rod 52 and two.The connecting rod 52 is connected between two locating rods 51, the connecting rod 52 and two
The coaxial line of locating rod 51, the radial section of connecting rod 52 is less than the radial section of locating rod 51.Periphery per a positioning rod 51
Provided with screw thread, the end face per a positioning rod 51 is provided with the adjustment portion 53 for coordinating regulation instrument such as screwdriver, with convenient use person
Finely tune combustion gas inlet.Preferably, the adjustment portion 53 is yi word pattern groove, to coordinate common slotted point screwdriver to use.
The circumferential wall of the gas inlet pipe 16 extends outward two relative screw mandrel installing pipes 18, and two locating rods 51 pass through spiral shell
Line is connected and installed in two screw mandrel installing pipes 18, and the connecting rod 52 is located in the gas inlet pipe 16, the connecting rod 52 and the combustion
Air inlet interval 19 is provided between the tube wall of gas air inlet pipe 16, thus, can be by adjusting moving to left or move to right and adjusting for screw mandrel 50
The size at air inlet interval 19 is saved, and then regulating gas enters the inlet of negative pressure cavity 14.Thus, do not need professional knowledge can root
According to needing that combustion gas inlet is adjusted, optimal air-fuel ratio is realized, it is very convenient.In addition, the two ends of the connecting rod 52 respectively connect
Connect a positioning rod 51, it is possible to resolve the problem of positive and negative installation, without manufacturing forward and reverse adjuster, significantly facilitate installation.
Preferably, this mixture ratio regulator also includes two fasteners 90 and two sealing rings 91, and two fasteners 90 pass through respectively
Two sealing rings 91 are removably installed in the end of two screw mandrel installing pipes 18, so that the sealing of this mixture ratio regulator is improved,
Strengthen security.
Preferably, the diameter of the connecting rod 52, length are identical with the interior diameter of the gas inlet pipe 16.
In the present embodiment, this hybrid regulator also includes flange 80 and flange gasket 81, and the flange 80 passes through the flange gasket
Piece 81 is seal-installed on the air inlet of the housing 10.
For a person skilled in the art, technical scheme that can be as described above and design, make other each
It is kind corresponding to change and deform, and all these change and deformation should all belong to the protection model of the claims in the present invention
Within enclosing.
Claims (7)
1. a kind of exact mix adjuster, it is characterised in that：It includes housing and air nozzle；The housing is opened up from left to right
Mixed gas outlet, diffusion hybrid chamber, hybrid chamber, negative pressure cavity and the air inlet being sequentially communicated；The air nozzle is installed on this
Air inlet is intraoral；The roof of the housing is provided with gas inlet pipe, and the gas inlet pipe connects the negative pressure cavity；The mixing ratio is adjusted
Saving device also includes a regulation screw mandrel, and the regulation screw mandrel includes a columned connecting rod and two columned locating rods；The connection
Bar is connected between two locating rods, the connecting rod and two locating rod coaxial lines, and the radial section of connecting rod is less than the footpath of locating rod
To section；Periphery per a positioning rod is provided with screw thread, and the end face per a positioning rod is provided with adjustment portion；The gas inlet pipe
Circumferential wall extends outward two relative screw mandrel installing pipes, and two locating rods are threadedly connected in two screw mandrel installing pipes, the connecting rod
In the gas inlet pipe, air inlet interval is provided between the connecting rod and the tube wall of the gas inlet pipe.
2. exact mix adjuster as claimed in claim 1, it is characterised in that：The sectional area of the right air inlet of the negative pressure cavity
Sectional area than left gas outlet is big.
3. exact mix adjuster as claimed in claim 1, it is characterised in that：The radial section of the diffusion hybrid chamber is certainly left
It is gradually reduced to the right.
4. exact mix adjuster as claimed in claim 1, it is characterised in that：It is tight that the mixture ratio regulator also includes two
Firmware and two sealing rings, two fasteners are removably installed in the end of two screw mandrel installing pipes by two sealing rings respectively.
5. exact mix adjuster as claimed in claim 1, it is characterised in that：The diameter of the connecting rod, length with this
The interior diameter of gas inlet pipe is identical.
6. exact mix adjuster as claimed in claim 1, it is characterised in that：The adjustment portion is yi word pattern groove.
7. exact mix adjuster as claimed in claim 1, it is characterised in that：The hybrid regulator also include flange and
Flange gasket, the flange is seal-installed on the air inlet of the housing by the flange gasket.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410494490.5A CN104234873B (en) | 2014-09-24 | 2014-09-24 | A kind of exact mix adjuster |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410494490.5A CN104234873B (en) | 2014-09-24 | 2014-09-24 | A kind of exact mix adjuster |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104234873A CN104234873A (en) | 2014-12-24 |
| CN104234873B true CN104234873B (en) | 2017-07-14 |
Family
ID=52223637
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410494490.5A Active CN104234873B (en) | 2014-09-24 | 2014-09-24 | A kind of exact mix adjuster |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104234873B (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5377646A (en) * | 1993-09-10 | 1995-01-03 | Pacer Industries, Inc. | Liquid petroleum gas fuel delivery systems |
| CN2480207Y (en) * | 2001-04-25 | 2002-03-06 | 印听兴 | Vacuum piston type gas mixer |
| JP2002276472A (en) * | 2001-03-21 | 2002-09-25 | Kubota Corp | Intake device for gas engine |
| CN2576984Y (en) * | 2002-10-28 | 2003-10-01 | 司立宪 | Vehicular liquefied gas two-channel mixing apparatus |
| CN2771497Y (en) * | 2005-01-24 | 2006-04-12 | 洛阳北方企业集团有限公司 | Gas mixer device for gas motorcycle engine |
| CN204060976U (en) * | 2014-09-24 | 2014-12-31 | 广州焙欧机械设备有限公司 | A kind of exact mix regulator |
-
2014
- 2014-09-24 CN CN201410494490.5A patent/CN104234873B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5377646A (en) * | 1993-09-10 | 1995-01-03 | Pacer Industries, Inc. | Liquid petroleum gas fuel delivery systems |
| JP2002276472A (en) * | 2001-03-21 | 2002-09-25 | Kubota Corp | Intake device for gas engine |
| CN2480207Y (en) * | 2001-04-25 | 2002-03-06 | 印听兴 | Vacuum piston type gas mixer |
| CN2576984Y (en) * | 2002-10-28 | 2003-10-01 | 司立宪 | Vehicular liquefied gas two-channel mixing apparatus |
| CN2771497Y (en) * | 2005-01-24 | 2006-04-12 | 洛阳北方企业集团有限公司 | Gas mixer device for gas motorcycle engine |
| CN204060976U (en) * | 2014-09-24 | 2014-12-31 | 广州焙欧机械设备有限公司 | A kind of exact mix regulator |
Also Published As
| Publication number | Publication date |
|---|---|
| CN104234873A (en) | 2014-12-24 |
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