CN103437871A - Motorcycle exhaust pipe connecting piece and oxygen sensor mounting structure with same - Google Patents
Motorcycle exhaust pipe connecting piece and oxygen sensor mounting structure with same Download PDFInfo
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- CN103437871A CN103437871A CN2013103648083A CN201310364808A CN103437871A CN 103437871 A CN103437871 A CN 103437871A CN 2013103648083 A CN2013103648083 A CN 2013103648083A CN 201310364808 A CN201310364808 A CN 201310364808A CN 103437871 A CN103437871 A CN 103437871A
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- joint
- oxygen concentration
- cylinder head
- concentration sensor
- sensor mounting
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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
- Y02T10/40—Engine management systems
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- Exhaust Silencers (AREA)
- Measuring Oxygen Concentration In Cells (AREA)
- Exhaust Gas After Treatment (AREA)
Abstract
The invention discloses a motorcycle exhaust pipe connecting piece and an oxygen sensor mounting structure with the motorcycle exhaust pipe connecting piece. The motorcycle exhaust pipe connecting piece comprises a connecting portion and a mounting portion fixing the connecting portion to a cylinder head. Bolt connecting holes are formed in the mounting portion, an exhaust passage is formed in the connecting portion, and an oxygen sensor mounting hole communicated with the exhaust passage is formed in the side wall of the connecting portion. The space position of the exhaust pipe connecting piece is reasonably utilized, the structure that in the traditional technology, an oxygen concentration sensor is arranged on the cylinder head or an exhaust pipe is abandoned, the bad effect caused by an independently-processed mounting component to the cylinder head or the exhaust pipe is avoided, the oxygen concentration sensor is made to be arranged at the position close to an exhaust outlet, and the signal and accuracy requirement of the oxygen concentration sensor is guaranteed.
Description
Technical field
The present invention relates to motorcycle, is for connecting the link of motorcycle exhaust pipe specifically, and the lambda sensor mounting structure of applying this link.
Background technique
Oxygen concentration sensor on motorcycle be used for measuring and the feedback engine combustion after exhaust in oxygen content so that its burning reaches optimal air-fuel ratio, effectively reduce the composition of carbon monoxide in exhaust, hydrocarbon and oxynitrides.Oxygen concentration sensor is divided into hot type and non-hot type, and heating type oxygen sensors is high because of its price, complex structure, so generally adopt non-hot type oxygen concentration sensor, but non-hot type must be by installation of sensors at the exhaust high temperature place, on motorcycle, the position at exhaust high temperature place can be cylinder head or the close cylinder head of outlet pipe position, if oxygen concentration sensor is arranged on cylinder head, on cylinder head, must process mounting assembly, reserved mounting point, can increase undoubtedly manufacture difficulty and the cost of production of cylinder head this cylinder head very complicated for itself, for this reason, had at present oxygen concentration sensor has been arranged in to the structure on muffler tail pipe, as shown in Fig. 1 ~ 3, must on outlet pipe 1 ', process boss hole 11 ', installation base 2 ' in this hole, then oxygen concentration sensor 3 ' is arranged on boss 2 ', these just need to be at upper mounting assembly boss hole 11 ' and the boss 2 ' etc. of independently processing of outlet pipe 1 ', also increased the manufacture difficulty of outlet pipe, intensity to outlet pipe has adverse effect, simultaneously oxygen concentration sensor from cylinder head away from, be unfavorable for signal feed back and the required precision of sensor, in addition, oxygen concentration sensor is exposed on outlet pipe, can be subject to the impacts such as silt that front-wheel splashes, water, causes the damage of sensor, and this independently makes guard shield with regard to needs and is protected, and has increased cost.And comprise for connecting piece for exhaust pipe outlet pipe is connected on cylinder head joint 7 ' and the assembly department 4 ' (being flange arrangement) that split arranges in conventional art, wherein outlet pipe 1 ' is fixed on the lower end of joint 7 ', be inserted in the air outlet flue on cylinder head 5 ' upper end of joint 7 ', assembly department 4 ' is connected and carries out spacing to joint 7 ' with cylinder head 5 ' by bolt 6 ', its function singleness of the connecting piece for exhaust pipe of this structure, the spatial position on link does not obtain rationally utilizing fully yet.
Summary of the invention
In order to overcome the deficiencies in the prior art, the invention provides a kind of motor exhaust tubular union and use the lambda sensor mounting structure of this link, it has in the signal feed back that meets sensor and required precision, has effectively utilized the characteristics such as spatial position of connecting piece for exhaust pipe.
The technical solution adopted for the present invention to solve the technical problems is:
The motor exhaust tubular union, comprise joint and described joint is fixed on to the assembly department on cylinder head, be provided with bolt connecting hole on described assembly department, be formed with exhaust passage in joint, be provided with the oxygen sensor mounting hole be communicated with described exhaust passage on the sidewall of described joint.
As improvement of the technical scheme, be provided with the lambda sensor installation base on the sidewall of described joint, described oxygen sensor mounting hole is arranged on this lambda sensor installation base.
As further improvement in the technical proposal, described lambda sensor installation base is shaped on described joint.
Further, described lambda sensor installation base is welded on described joint.
Preferably, described assembly department and joint are one-body molded.
Apply the lambda sensor mounting structure of above-mentioned link, comprise cylinder head, outlet pipe and oxygen concentration sensor, be provided with protuberance on described cylinder head, be formed with air outlet flue in described protuberance, above-mentioned joint stretches in the air outlet flue of described protuberance, after having bolt to pass the bolt connecting hole on assembly department, with described protuberance, connect, described outlet pipe is fixed on above-mentioned connecting piece for exhaust pipe, outlet pipe, air outlet flue and exhaust passage are communicated with, described oxygen concentration sensor is arranged in above-mentioned oxygen sensor mounting hole, detection unit on oxygen concentration sensor stretches in described air outlet flue.
As improvement of the technical scheme, be provided with the breach of the described oxygen concentration sensor of stepping down on described protuberance.
As further improvement in the technical proposal, described breach is positioned at the rear of protuberance in the length of wagon direction, and oxygen concentration sensor is enclosed by cylinder head, above-mentioned connecting piece for exhaust pipe and outlet pipe after oxygen sensor mounting hole stretches out.
The invention has the beneficial effects as follows: the present invention by arranging oxygen sensor mounting hole on the sidewall of joint, oxygen concentration sensor is arranged in this oxygen sensor mounting hole, reasonably utilized the spatial position of connecting piece for exhaust pipe, abandoned in the conventional art and oxygen concentration sensor has been arranged on to the structure on cylinder head or outlet pipe, the harmful effect that the mounting assembly of having avoided independent processing causes cylinder head or outlet pipe, make oxygen concentration sensor be arranged near the exhaust outlet place, signal and the required precision of oxygen concentration sensor have been guaranteed, the present invention also has simple and reasonable compactness, easy for installation, the characteristics such as implementation cost is low.
The accompanying drawing explanation
Fig. 1 is the mounting point schematic diagram of oxygen concentration sensor in conventional art;
Fig. 2 is the partial exploded view of Fig. 1;
Fig. 3 is the decomposing schematic representation of Fig. 1 in the connecting piece for exhaust pipe position;
Fig. 4 is the mounting point schematic diagram of oxygen concentration sensor in the present invention;
Fig. 5 is the decomposing schematic representation of Fig. 4;
Fig. 6 is the generalized section of the present invention in the connecting piece for exhaust pipe position;
Fig. 7 is the structural representation of connecting piece for exhaust pipe in the present invention.
Embodiment
Below in conjunction with drawings and Examples, the present invention is further detailed explanation.
With reference to Fig. 4 ~ Fig. 7, motor exhaust tubular union of the present invention, comprise joint 1 and described joint 1 is fixed on to the assembly department 3 on cylinder head 4, be provided with bolt connecting hole 31 on described assembly department 3, be formed with exhaust passage 11 in joint 1, be provided with the oxygen sensor mounting hole 12 be communicated with described exhaust passage 11 on the sidewall of described joint 1.
As the present embodiment preferably, be provided with lambda sensor installation base 13 on the sidewall of described joint 1, lambda sensor installation base 13 can be shaped on described joint 1, also can be fixed on described joint 1 by modes such as welding, described oxygen sensor mounting hole 12 is arranged on this lambda sensor installation base 13, oxygen concentration sensor 6 is connected by the screw thread on its periphery wall and oxygen sensor mounting hole 12, arranging of boss 13 can be when oxygen sensor mounting hole 12 meets on oxygen concentration sensor 6 periphery walls height of thread and requires, can effectively reduce the radial dimension of joint 1 except boss 13.
In the present embodiment, preferred described assembly department 3 is one-body molded with joint 1, with respect to joint 1 and assembly department 3 splits, structure is set, the operational sequence while having simplified the assembling parts such as outlet pipe.
Apply the lambda sensor mounting structure of above-mentioned link, comprise cylinder head 4, outlet pipe 5 and oxygen concentration sensor 6, be provided with protuberance 41 on described cylinder head 4, be formed with air outlet flue in described protuberance 41, above-mentioned joint 1 stretches in the air outlet flue of described protuberance 41, there is bolt 7 to connect with described protuberance 41 through the bolt connecting hole 31 on assembly department 3 is rear, described outlet pipe 5 is fixed on above-mentioned connecting piece for exhaust pipe, outlet pipe 5 can adopt as shown in Figure 3 and be welded and fixed with joint 1, also can with assembly department 3, be connected and fixed as shown in Figure 6, outlet pipe 5, air outlet flue and exhaust passage 11 are communicated with, described oxygen concentration sensor 6 is arranged in above-mentioned oxygen sensor mounting hole 12, detection unit 61 on oxygen concentration sensor 6 stretches in described air outlet flue.
In the present embodiment, be provided with the breach 42 of the described oxygen concentration sensor of stepping down on preferred described protuberance 41, the oxygen concentration sensor 6 that is arranged so that of breach 42 can be arranged in the mode of more close cylinder head 4, further guaranteed signal and the required precision of oxygen concentration sensor 6, also make the mounting structure of whole sensor compacter simultaneously.
Further, described breach 42 is positioned at the rear of protuberance 41 in the length of wagon direction, oxygen concentration sensor 6 is enclosed by cylinder head 4, above-mentioned connecting piece for exhaust pipe and outlet pipe 5 after oxygen sensor mounting hole 12 stretches out, this just makes oxygen concentration sensor 6 can be easy to obtain the protective action of the parts such as cylinder head 4, connecting piece for exhaust pipe and outlet pipe 5, the silt that during motor-driven vehicle going, front-wheel splashes, water etc. can not impact on oxygen concentration sensor 6, thereby, without shroud structure is set separately again, saved cost.
The present invention has reasonably utilized the spatial position of connecting piece for exhaust pipe, abandoned in the conventional art and oxygen concentration sensor 6 has been arranged on to the structure on cylinder head 4 or outlet pipe 5, the harmful effect that the mounting assembly of having avoided independent processing causes cylinder head 4 or outlet pipe 5, make oxygen concentration sensor 6 be arranged near the exhaust outlet place, guaranteed signal and the required precision of oxygen concentration sensor, the present invention also has the characteristics such as simple and reasonable compactness, easy for installation, implementation cost is low.
The above, be better embodiment of the present invention, but the present invention is not limited to above-described embodiment, as long as it reaches technique effect of the present invention with any same or similar means, within all should falling into protection scope of the present invention.
Claims (8)
1. motor exhaust tubular union, comprise joint and described joint is fixed on to the assembly department on cylinder head, be provided with bolt connecting hole on described assembly department, be formed with exhaust passage in joint, it is characterized in that: be provided with the oxygen sensor mounting hole be communicated with described exhaust passage on the sidewall of described joint.
2. motor exhaust tubular union according to claim 1, it is characterized in that: be provided with the lambda sensor installation base on the sidewall of described joint, described oxygen sensor mounting hole is arranged on this lambda sensor installation base.
3. motor exhaust tubular union according to claim 2, it is characterized in that: described lambda sensor installation base is shaped on described joint.
4. motor exhaust tubular union according to claim 2, it is characterized in that: described lambda sensor installation base is welded on described joint.
5. according to the described motor exhaust tubular union of arbitrary claim in claim 1 ~ 4, it is characterized in that: described assembly department and joint are one-body molded.
6. application rights requires the lambda sensor mounting structure of the described link of arbitrary claim in 1 ~ 5, comprise cylinder head, outlet pipe and oxygen concentration sensor, be provided with protuberance on described cylinder head, be formed with air outlet flue in described protuberance, it is characterized in that: above-mentioned joint stretches in the air outlet flue of described protuberance, after having bolt to pass the bolt connecting hole on assembly department, with described protuberance, connect, described outlet pipe is fixed on above-mentioned connecting piece for exhaust pipe, outlet pipe, air outlet flue and exhaust passage are communicated with, described oxygen concentration sensor is arranged in above-mentioned oxygen sensor mounting hole, detection unit on oxygen concentration sensor stretches in described air outlet flue.
7. lambda sensor mounting structure according to claim 6, is characterized in that: the breach that is provided with the described oxygen concentration sensor of stepping down on described protuberance.
8. lambda sensor mounting structure according to claim 7, it is characterized in that: described breach is positioned at the rear of protuberance in the length of wagon direction, and oxygen concentration sensor is enclosed by cylinder head, above-mentioned connecting piece for exhaust pipe and outlet pipe after oxygen sensor mounting hole stretches out.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310364808.3A CN103437871B (en) | 2013-08-20 | 2013-08-20 | Oxygen sensor installation structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310364808.3A CN103437871B (en) | 2013-08-20 | 2013-08-20 | Oxygen sensor installation structure |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103437871A true CN103437871A (en) | 2013-12-11 |
| CN103437871B CN103437871B (en) | 2016-12-28 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310364808.3A Active CN103437871B (en) | 2013-08-20 | 2013-08-20 | Oxygen sensor installation structure |
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| CN (1) | CN103437871B (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109083754A (en) * | 2017-06-13 | 2018-12-25 | 铃木株式会社 | Exhaust apparatus |
| CN110603375A (en) * | 2017-06-05 | 2019-12-20 | Tvs电机股份有限公司 | Propulsion member of internal combustion engine |
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|---|---|---|---|---|
| JP2005207231A (en) * | 2004-01-19 | 2005-08-04 | Honda Motor Co Ltd | Exhaust gas sensor mounting structure of internal combustion engine |
| JP2007085235A (en) * | 2005-09-21 | 2007-04-05 | Suzuki Motor Corp | Exhaust muffler of motorcycle |
| JP2010007645A (en) * | 2008-06-30 | 2010-01-14 | Honda Motor Co Ltd | Mounting structure of exhaust gas sensor of motorcycle |
| CN102022217A (en) * | 2009-08-21 | 2011-04-20 | 雅马哈发动机株式会社 | Engine and saddle-riding type vehicle including the same |
| CN103133171A (en) * | 2011-11-30 | 2013-06-05 | 雅马哈发动机株式会社 | Saddle riding type vehicle |
| EP2599991A2 (en) * | 2011-11-30 | 2013-06-05 | Yamaha Hatsudoki Kabushiki Kaisha | Saddle riding type vehicle |
| CN203452879U (en) * | 2013-08-20 | 2014-02-26 | 江门市大长江集团有限公司 | Motorcycle exhaust pipe connecting piece and oxygen sensor installation structure applying same |
-
2013
- 2013-08-20 CN CN201310364808.3A patent/CN103437871B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2005207231A (en) * | 2004-01-19 | 2005-08-04 | Honda Motor Co Ltd | Exhaust gas sensor mounting structure of internal combustion engine |
| JP2007085235A (en) * | 2005-09-21 | 2007-04-05 | Suzuki Motor Corp | Exhaust muffler of motorcycle |
| JP2010007645A (en) * | 2008-06-30 | 2010-01-14 | Honda Motor Co Ltd | Mounting structure of exhaust gas sensor of motorcycle |
| CN102022217A (en) * | 2009-08-21 | 2011-04-20 | 雅马哈发动机株式会社 | Engine and saddle-riding type vehicle including the same |
| CN103133171A (en) * | 2011-11-30 | 2013-06-05 | 雅马哈发动机株式会社 | Saddle riding type vehicle |
| EP2599991A2 (en) * | 2011-11-30 | 2013-06-05 | Yamaha Hatsudoki Kabushiki Kaisha | Saddle riding type vehicle |
| CN203452879U (en) * | 2013-08-20 | 2014-02-26 | 江门市大长江集团有限公司 | Motorcycle exhaust pipe connecting piece and oxygen sensor installation structure applying same |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110603375A (en) * | 2017-06-05 | 2019-12-20 | Tvs电机股份有限公司 | Propulsion member of internal combustion engine |
| CN110603375B (en) * | 2017-06-05 | 2022-01-14 | Tvs电机股份有限公司 | Propulsion member of internal combustion engine |
| CN109083754A (en) * | 2017-06-13 | 2018-12-25 | 铃木株式会社 | Exhaust apparatus |
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| Publication number | Publication date |
|---|---|
| CN103437871B (en) | 2016-12-28 |
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