CN109751133A - A kind of double-cylinder gasoline engine mechanical electric injecting air damper - Google Patents
A kind of double-cylinder gasoline engine mechanical electric injecting air damper Download PDFInfo
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- CN109751133A CN109751133A CN201910187536.1A CN201910187536A CN109751133A CN 109751133 A CN109751133 A CN 109751133A CN 201910187536 A CN201910187536 A CN 201910187536A CN 109751133 A CN109751133 A CN 109751133A
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- chamber
- intake duct
- air
- air intake
- air flue
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- 235000014676 Phragmites communis Nutrition 0.000 claims abstract description 31
- 230000004069 differentiation Effects 0.000 description 4
- 238000002347 injection Methods 0.000 description 2
- 239000007924 injection Substances 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 239000000243 solution Substances 0.000 description 2
- 238000010586 diagram Methods 0.000 description 1
- 239000000446 fuel Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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- Control Of Throttle Valves Provided In The Intake System Or In The Exhaust System (AREA)
- Electrical Control Of Air Or Fuel Supplied To Internal-Combustion Engine (AREA)
Abstract
The invention discloses a kind of double-cylinder gasoline engine mechanical electric injecting air damper, including throttle body, it is provided with the left air intake duct with left chamber reed and the right air intake duct with right chamber reed on throttle body, left chamber reed and right chamber reed rotate axis connection by reed；Left air intake duct and right air intake duct are divided into left front chamber, left back chamber and right ante-chamber, right back cavity respectively by left chamber reed and right chamber reed；Idling air flue is being provided in throttle body and between left air intake duct and right air intake duct, left front chamber, left back chamber, right ante-chamber and right back cavity pass through idle speed bypass air flue respectively and are connected to idling air flue, it is provided with tack in idling air flue and adjusts head, the tack adjusts head and connect with the stepper motor being arranged on throttle body.The present invention has the advantages that smart structural design, service-strong, it can guarantee that the air inflow of two air intake ducts is consistent, realizes good engine idle speed stability, so that low engine speed performance gives full play to.
Description
Technical field
The present invention relates to a kind of double-cylinder gasoline engines, are characterized in a kind of double-cylinder gasoline engine mechanical electric injecting air damper.
Background technique
Currently, electric injection system can only control one since existing motorcycle (general) gasoline engine is by the limit value of cost
Stepper motor carries out air inflow to control the air mass flow of idle speed bypass air flue, and in single cylinder arrangement load sensor
Estimation.Since motorcycle (general) gasoline engine engine operation revolving speed is higher, conventional throttle body cannot avoid two well
Cylinder air inlet disturbs (rob gas) mutually problem, causes two cylinder air inlets uneven, so that the acting of two cylinders is inconsistent, eventually leads to idle
Fast rotary speed unstabilization, low engine speed dynamic property are poor.
The utility model that entitled " double-cylinder engine throttle valve of electronic fuel injection motorcycle " is disclosed in CN201635843U is special
Benefit, the first, second main air intake is arranged in it on valve body, and a piece is equipped in each main air intake, and door piece will corresponding main air intake
Inside be divided into forward and backward two chamber, be equipped with crossbeam in the top of the first, second main air intake, be provided with tonifying Qi sluice way in crossbeam,
One end of the tonifying Qi sluice way is connected to by the first runner with the back cavity of the first main air intake, the other end of tonifying Qi sluice way
It is connected to by second flow channel with the back cavity of the second main air intake, and tonifying Qi sluice way also passes through main tonifying Qi road and the first main air inlet
The ante-chamber in road communicates；It is connected with boss on the crossbeam, idle speed bypass control valve, the idle speed bypass control are housed in the boss
The valve head of valve processed can be from radially protruding into main tonifying Qi road.Although being able to solve in the patent, two cylinder air inflows are consistent to be asked
Topic still still can not solve the problems, such as that idling basis leakage rate caused by as manufacturing scattered error is inconsistent, meanwhile,
The differentiation that cannot achieve compensation tolerance is accurately adjusted.
Summary of the invention
It is an object of the invention to provide a kind of mechanical EFI sections of double-cylinder gasoline engine with good idle stability
Valve.
It is realized the purpose of the present invention is technical solution in this way, a kind of mechanical EFI solar term of double-cylinder gasoline engine
Door, including throttle body, are provided with the left air intake duct with left chamber reed and with right chamber reed on the throttle body
Right air intake duct, the left chamber reed and right chamber reed are connected by extending transversely through the reed rotation axis of left air intake duct and right air intake duct
It connects；The left chamber reed and right chamber reed respectively by left air intake duct and right air intake duct be divided into left front chamber, left back chamber and right ante-chamber,
Right back cavity；It is being provided with idling air flue in the throttle body and between left air intake duct and right air intake duct, it is described left front
Chamber, left back chamber, right ante-chamber and right back cavity pass through idle speed bypass air flue respectively and are connected to idling air flue, set in the idling air flue
It is equipped with the tack for controlling air idle speed bypass air flue air mass flow and adjusts head, the tack adjusts head and is arranged in air throttle
Stepper motor connection on ontology.
Wherein, the idle speed bypass air flue includes idle speed bypass air intake duct A, idle speed bypass gas off-take A, idle speed bypass air inlet
Road B and idle speed bypass gas off-take B, the both ends of the idle speed bypass air intake duct A are connected to left front chamber and idling air flue respectively, described
The both ends of idle speed bypass gas off-take A are connected to left back chamber and idling air flue respectively；Distinguish at the both ends of the idle speed bypass air intake duct B
It is connected to right ante-chamber and idling air flue, the both ends of the idle speed bypass gas off-take B are connected to right back cavity and idling air flue respectively.
In order to ensure enough air inflows, the diameter of the idle speed bypass air intake duct A and the diameter of idle speed bypass air intake duct B
Be idle speed bypass gas off-take A diameter and 1.5 times of diameter of idle speed bypass gas off-take B.
In order to carry out the accurate compensation adjustment of differentiation, divide on the outer wall of the left air intake duct and on the outer wall of right air intake duct
It is not provided with the adjusting air flue A being arranged symmetrically and adjusts air flue B, is provided with cone in the adjusting air flue A and adjusting air flue B
Shape pointed screw.
Wherein, it is described adjust air flue A and adjust air flue B section be it is chevron shaped, the both ends the adjusting air flue A respectively with
Left front chamber is connected to left back chamber, and the both ends the adjusting air flue B are connected to right ante-chamber and right back cavity respectively.
By adopting the above-described technical solution, the present invention has smart structural design, using reliable, low-cost excellent
Point can guarantee that the air inflow of two air intake ducts is consistent using it, good engine idle speed stability be realized, so that engine
Low-speed performance gives full play to；Meanwhile it is inconsistent to can effectively solve idling basis leakage rate caused by as manufacturing scattered error
Problem realizes that the differentiation of compensation tolerance is accurately adjusted.
Detailed description of the invention
Detailed description of the invention of the invention is as follows:
Fig. 1 is the structural diagram of the present invention；
Fig. 2 is the top view of Fig. 1；
The A-A cross-sectional view of Fig. 3 Fig. 1；
Fig. 4 is the B-B cross-sectional view in Fig. 1；
Fig. 5 is the C-C cross-sectional view in Fig. 4；
Fig. 6 is the D-D cross-sectional view in Fig. 4；
Fig. 7 is E-E or F-F cross-sectional view in Fig. 2.
Specific embodiment
Specific embodiments of the present invention will be described in further detail with reference to the accompanying drawing, but the present invention does not limit to
In these embodiments, any improvement or substitution on the present embodiment essence spirit still falls within the claims in the present invention and is wanted
Seek the range of protection.
Embodiment 1: as shown in Fig. 1,2,3,4,5,6, a kind of double-cylinder gasoline engine mechanical electric injecting air damper, including air throttle
Ontology 1 is provided with the left air intake duct 5 with left chamber reed 2 and the right air intake duct with right chamber reed 3 on the throttle body 1
6, the left chamber reed 2 and right chamber reed 3 are connected by extending transversely through the reed rotation axis 4 of left air intake duct 5 and right air intake duct 6；
Before left air intake duct 5 and right air intake duct 6 are divided into left front chamber 7, left back chamber 8 and the right side respectively by the left chamber reed 2 and right chamber reed 3
Chamber 9, right back cavity 10；Idling air flue is being provided in the throttle body 1 and between left air intake duct 5 and right air intake duct 6
11, the left front chamber 7, left back chamber 8, right ante-chamber 9 and right back cavity 10 are connected to by idle speed bypass air flue with idling air flue 11 respectively,
It is provided with the tack for controlling air idle speed bypass air flue air mass flow in the idling air flue 11 and adjusts head 12, it is described flat
Head adjusts head 12 and connect with the stepper motor 13 being arranged on throttle body 1.
Wherein, the idle speed bypass air flue includes idle speed bypass air intake duct A14, idle speed bypass gas off-take A15, idle speed bypass
Air intake duct B16 and idle speed bypass gas off-take B17, the both ends of the idle speed bypass air intake duct A14 respectively with left front chamber 7 and idling gas
Road 11 is connected to, and the both ends of the idle speed bypass gas off-take A15 are connected to left back chamber 8 and idling air flue 11 respectively；By the idling
The both ends of logical air intake duct B16 are connected to right ante-chamber 9 and idling air flue 11 respectively, the both ends point of the idle speed bypass gas off-take B17
It is not connected to right back cavity 10 and idling air flue 11.
In the present invention, it is rotated since left chamber reed 2 relies on reed rotation axis 4 with right chamber reed 3, thus really
It has protected left air intake duct 5 and right 6 opening angle of air intake duct is consistent with height, to realize that charge flow rate is consistent.Also, stepper motor
13 drive tack adjust head 12 and stretch up and down, and realization cuts idle speed bypass air intake duct A14 and idle speed bypass air intake duct B16
Area is adjusted, and realizes the both air flow modulation to idle speed bypass gas off-take A15 and idle speed bypass gas off-take B17.
Ensure that the generation for avoiding the occurrence of with enough air inflows and robbing gas phenomenon, the idle speed bypass air inlet
The diameter of road A14 and the diameter of idle speed bypass air intake duct B16 are the diameters and idle speed bypass gas off-take of idle speed bypass gas off-take A15
1.5 times of the diameter of B17.
As shown in fig. 7, the accurate compensation adjustment of differentiation is carried out to idling basis leakage air amount to realize, on the left side
It is respectively arranged on the outer wall of air intake duct 5 and on the outer wall of right air intake duct 6 the adjusting air flue A18 being arranged symmetrically and adjusts air flue
B19 is provided with cone point screw 20 in the adjusting air flue A18 and adjusting air flue B19.
Wherein, the section for adjusting air flue A18 and adjusting air flue B19 is chevron shaped, the both ends the adjusting air flue A18
It is connected to respectively with left front chamber 7 and left back chamber 8, the both ends the adjusting air flue B19 are connected to right ante-chamber 9 and right back cavity 10 respectively.
In the present invention, by the way that cone point screw 20 is adjusted, so that before entering left back chamber 8, the right side to left front chamber 7
The air that chamber 9 enters right back cavity 10 carries out accurate compensation adjustment, thus realizes and carries out difference to idling basis leakage air amount
Change accurate compensation adjustment.
Claims (5)
1. a kind of double-cylinder gasoline engine mechanical electric injecting air damper, including throttle body (1), on the throttle body (1)
It is provided with the left air intake duct (5) with left chamber reed (2) and the right air intake duct (6) with right chamber reed (3), it is characterized in that: the left side
Chamber reed (2) and right chamber reed (3) are by extending transversely through the reed rotation axis (4) of left air intake duct (5) and right air intake duct (6) even
It connects；The left chamber reed (2) and right chamber reed (3) respectively by left air intake duct (5) and right air intake duct (6) be divided into left front chamber (7),
Left back chamber (8) and right ante-chamber (9), right back cavity (10)；In the throttle body (1) and be located at left air intake duct (5) and it is right into
It is provided between air flue (6) idling air flue (11), the left front chamber (7), left back chamber (8), right ante-chamber (9) and right back cavity (10) point
Not Tong Guo idle speed bypass air flue be connected to idling air flue (11), be provided in the idling air flue (11) idle for controlling air
The tack of speed bypass air flue air mass flow adjusts head (12), and the tack adjusts head (12) and is arranged on throttle body (1)
Stepper motor (13) connection.
2. double-cylinder gasoline engine mechanical electric injecting air damper as described in claim 1, it is characterized in that: the idle speed bypass air flue packet
Include idle speed bypass air intake duct A(14), idle speed bypass gas off-take A(15), idle speed bypass air intake duct B(16) and idle speed bypass gas off-take
B(17), the idle speed bypass air intake duct A(14) both ends be connected to respectively with left front chamber (7) and idling air flue (11), the idling
Bypass gas off-take A(15) both ends be connected to respectively with left back chamber (8) and idling air flue (11)；The idle speed bypass air intake duct B
(16) both ends are connected to right ante-chamber (9) and idling air flue (11) respectively, the idle speed bypass gas off-take B(17) both ends difference
It is connected to right back cavity (10) and idling air flue (11).
3. double-cylinder gasoline engine mechanical electric injecting air damper as claimed in claim 2, it is characterized in that: the idle speed bypass air intake duct
A(14 diameter and idle speed bypass air intake duct B(16)) diameter be idle speed bypass gas off-take A(15) diameter and idle speed bypass go out
Air flue B(17) 1.5 times of diameter.
4. double-cylinder gasoline engine mechanical electric injecting air damper as claimed in claim 3, it is characterized in that: in the left air intake duct (5)
Outer wall on and right air intake duct (6) outer wall on be respectively arranged with the adjusting air flue A(18 being arranged symmetrically) and adjusting air flue B
(19), in the adjusting air flue A(18) and adjust air flue B(19) in be provided with cone point screw (20).
5. double-cylinder gasoline engine mechanical electric injecting air damper as claimed in claim 4, it is characterized in that: the adjusting air flue A(18)
With adjust air flue B(19) section be chevron shaped, the adjusting air flue A(18) both ends respectively with left front chamber (7) and left back chamber
(8) it is connected to, the adjusting air flue B(19) both ends are connected to right ante-chamber (9) and right back cavity (10) respectively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910187536.1A CN109751133A (en) | 2019-03-13 | 2019-03-13 | A kind of double-cylinder gasoline engine mechanical electric injecting air damper |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910187536.1A CN109751133A (en) | 2019-03-13 | 2019-03-13 | A kind of double-cylinder gasoline engine mechanical electric injecting air damper |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109751133A true CN109751133A (en) | 2019-05-14 |
Family
ID=66408587
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910187536.1A Pending CN109751133A (en) | 2019-03-13 | 2019-03-13 | A kind of double-cylinder gasoline engine mechanical electric injecting air damper |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109751133A (en) |
Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH06229282A (en) * | 1993-02-01 | 1994-08-16 | Mitsubishi Electric Corp | Idle speed control device |
| JPH112170A (en) * | 1997-06-11 | 1999-01-06 | Nippon Soken Inc | Idle intake control device |
| KR20090003837A (en) * | 2007-07-05 | 2009-01-12 | 현대자동차주식회사 | Throttle device of vehicle |
| CN101761399A (en) * | 2010-02-09 | 2010-06-30 | 力帆实业(集团)股份有限公司 | Throttle valve structure |
| CN103343717A (en) * | 2013-07-22 | 2013-10-09 | 力帆实业(集团)股份有限公司 | Method for controlling electronic fuel injection motorcycle idle speed |
| CN203441607U (en) * | 2013-08-30 | 2014-02-19 | 联创汽车电子有限公司 | Double-main-channel mechanical throttle body |
| CN204060944U (en) * | 2014-06-26 | 2014-12-31 | 湛江德利化油器有限公司 | A kind of throttle valve body |
| CN204212862U (en) * | 2014-11-05 | 2015-03-18 | 浙江春风动力股份有限公司 | Throttle valve body assembly |
| CN105402037A (en) * | 2015-12-11 | 2016-03-16 | 重庆渝辉机械有限公司 | Throttle valve with idle speed adjusting function |
| CN105402034A (en) * | 2015-12-11 | 2016-03-16 | 重庆渝辉机械有限公司 | Throttle valve with stepping motor idling for flow adjustment |
| CN209586525U (en) * | 2019-03-13 | 2019-11-05 | 重庆宗申发动机制造有限公司 | A kind of double-cylinder gasoline engine mechanical electric injecting air damper |
-
2019
- 2019-03-13 CN CN201910187536.1A patent/CN109751133A/en active Pending
Patent Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH06229282A (en) * | 1993-02-01 | 1994-08-16 | Mitsubishi Electric Corp | Idle speed control device |
| JPH112170A (en) * | 1997-06-11 | 1999-01-06 | Nippon Soken Inc | Idle intake control device |
| KR20090003837A (en) * | 2007-07-05 | 2009-01-12 | 현대자동차주식회사 | Throttle device of vehicle |
| CN101761399A (en) * | 2010-02-09 | 2010-06-30 | 力帆实业(集团)股份有限公司 | Throttle valve structure |
| CN103343717A (en) * | 2013-07-22 | 2013-10-09 | 力帆实业(集团)股份有限公司 | Method for controlling electronic fuel injection motorcycle idle speed |
| CN203441607U (en) * | 2013-08-30 | 2014-02-19 | 联创汽车电子有限公司 | Double-main-channel mechanical throttle body |
| CN204060944U (en) * | 2014-06-26 | 2014-12-31 | 湛江德利化油器有限公司 | A kind of throttle valve body |
| CN204212862U (en) * | 2014-11-05 | 2015-03-18 | 浙江春风动力股份有限公司 | Throttle valve body assembly |
| CN105402037A (en) * | 2015-12-11 | 2016-03-16 | 重庆渝辉机械有限公司 | Throttle valve with idle speed adjusting function |
| CN105402034A (en) * | 2015-12-11 | 2016-03-16 | 重庆渝辉机械有限公司 | Throttle valve with stepping motor idling for flow adjustment |
| CN209586525U (en) * | 2019-03-13 | 2019-11-05 | 重庆宗申发动机制造有限公司 | A kind of double-cylinder gasoline engine mechanical electric injecting air damper |
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