CN204984563U - Motorcycle oxygen sensor mounting structure - Google Patents
Motorcycle oxygen sensor mounting structure Download PDFInfo
- Publication number
- CN204984563U CN204984563U CN201520541525.6U CN201520541525U CN204984563U CN 204984563 U CN204984563 U CN 204984563U CN 201520541525 U CN201520541525 U CN 201520541525U CN 204984563 U CN204984563 U CN 204984563U
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- fitting seat
- outlet pipe
- oxygen sensor
- blast pipe
- plane
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Abstract
The utility model discloses a motorcycle oxygen sensor mounting structure, including the motorcycle blast pipe, there is an oxygen sensor on the excircle surface of blast pipe through mount pad fixed mounting, in mounting hole that mount pad hole and blast pipe surface were passed by oxygen sensor's gauge head portion stretches into the blast pipe, installation position that the mount pad is located blast pipe excircle surface by the die mould for the plane, excircle that this planar height is less than around its is surperficial, the installation face of mount pad with the installation position of blast pipe coordinates for the plane, and its welding seam is the circular of rule, the welding of being convenient for, and simultaneously, the planar design of mount pad installation face changes in processing than prior art's arc face design, and the structure is also more simplified, when it is used on double -deck blast pipe, can make during oxygen sensor gauge head portion stretches into the airflow channel of blast pipe inlayer totally, effectively improved oxygen sensor signal feedback intensity, the electricity system of spouting can form effective closed -loop control, reduces the emission magnitude of exhaust emission thing.
Description
Technical field
The utility model relates to a kind of oxygen sensor installation structure of motorcycle.
Background technique
For the motorcycle using electric injection system, need to arrange lambda sensor in order to detect the oxygen content in vent systems, therefore lambda sensor is often arranged in engine exhaust passage.In most cases, lambda sensor is arranged on the outlet pipe of vent systems, and is fixed on the outer round surface of outlet pipe by fitting seat.In prior art, the fitting seat floor design of lambda sensor becomes the arcuate surface fitted with outlet pipe outer round surface, and both are fixing by being welded to connect.This structure Problems existing is: the weld seam 1, between lambda sensor fitting seat and outlet pipe surface is intersecting line curve, and welding usability is poor; 2, lambda sensor fitting seat bottom shape will coincide with outlet pipe outer round surface, and shape processed complex, processing cost is high.And, when outlet pipe adopts double layer construction, lambda sensor fitting seat need be welded on outer outlet pipe, as shown in Figure 1, in such cases, there is larger problem in its mounting structure: 1. owing to being limited to bend pipe size and the impact of lambda sensor fitting seat welding procedure, lambda sensor gauge head portion cannot extend in internal layer air-flow path completely, cause oxygen sensor signal intensity low, electric injection system cannot form effective closed loop control, thus causes the discharge value adding exhaust contaminant; 2. the high-temperature gas of internal layer outlet pipe directly flows into the interlayer of inside and outside outlet pipe from internal layer outlet pipe mounting hole, and high-temperature gas causes outer outlet pipe surface temperature to raise, the surface protection paint variable color of outer outlet pipe or come off, and produces corrosion.
Summary of the invention
In order to overcome the deficiencies in the prior art, the utility model provides a kind of follow-on oxygen sensor of motorcycle mounting structure.
The utility model solves the technological scheme that its technical problem adopts:
A kind of oxygen sensor of motorcycle mounting structure, comprise motorcycle exhaust pipe, the outer round surface of described outlet pipe is installed with lambda sensor by fitting seat, the gauge head portion of described lambda sensor stretches in described outlet pipe through the mounting hole on described fitting seat endoporus and outlet pipe surface, it is characterized in that: the installation position that described fitting seat is positioned at outlet pipe outer round surface is plane by die mould, the height of this plane is lower than the outer round surface around it, and the attachment face of described fitting seat and the installation position of described outlet pipe are that plane coordinates.
Described fitting seat extends positioning boss in mounting hole, thus forms ladder fitting seat.
When described outlet pipe is air gap pipes structure, described installation position is that gap between plane place air gap pipes is reduced by die mould, and described lambda sensor gauge head portion stretches in the air-flow path of internal layer outlet pipe completely.
The size of described installation position plane is suitable with described fitting seat attachment face.
Described fitting seat is cylindrical fitting seat, and the maximum inscribed circle diameter of described installation position plane is suitable with the diameter of described fitting seat attachment face.
The beneficial effects of the utility model are: the installation position die mould that the lambda sensor fitting seat of silencing apparatus is positioned at outlet pipe outer round surface by the utility model is plane, the attachment face of fitting seat and the installation position of outlet pipe is made to be that plane coordinates, its weld seam, in the circle of rule, is convenient to welding; Meanwhile, the planar design arc-shaped surface design compared to prior art of fitting seat attachment face is easier to processing, and cut down finished cost, structure also more simplifies; When this mounting structure is applied to air gap pipes structure, its installation position sunk can make lambda sensor gauge head portion stretch into completely in the air-flow path of internal layer, effectively improve oxygen sensor signal feedback intensity, electric injection system can form effective closed loop control in time, reduces the discharge value of exhaust contaminant; Its installation position sunk effectively can stop that high-temperature gas flows in air gap pipes interlayer simultaneously, reduces high temperature to the destruction of outlet pipe surface protection enamelled coating.
Accompanying drawing explanation
Below in conjunction with drawings and Examples, the utility model is further illustrated.
Fig. 1 is the structural representation of prior art;
Fig. 2 is the cross sectional view of Fig. 1;
Fig. 3 is structural representation of the present utility model;
Fig. 4 is the cross sectional view of Fig. 3.
Embodiment
With reference to Fig. 3, Fig. 4, the present embodiment illustrates embody rule of the present utility model for the air gap pipes structure adopted normal in motorcycle with electronic fuel injection system.
A kind of oxygen sensor of motorcycle mounting structure, comprise motorcycle exhaust pipe 1, the outer round surface of described outlet pipe 1 is installed with lambda sensor 3 by fitting seat 2, the mounting hole 12 that described fitting seat 2 endoporus 21 and outlet pipe surface are passed by the gauge head portion 31 of described lambda sensor 3 stretches in described outlet pipe 1, the installation position 11 that described fitting seat 2 is positioned at outlet pipe 1 outer round surface is plane by die mould, the height of this plane lower than the outer round surface around it, the attachment face 22 of described fitting seat 2 with the installation position 11 of described outlet pipe for plane coordinates.
The utility model due to sink installation position 11 the gauge head portion 31 of lambda sensor 3 can be made to stretch into completely in the air-flow path of internal layer, effectively improve oxygen sensor signal feedback intensity, electric injection system can form effective closed loop control in time, reduces the discharge value of exhaust contaminant.
Further, because installation position 11 is plane by die mould, the gap between air gap pipes is reduced, effectively can stop that the high-temperature gas in internal layer outlet pipe flows in the interlayer of air gap pipes, thus reduce high-temperature gas to the destruction of outlet pipe surface protection enamelled coating.
For the ease of installing, described fitting seat 2 extends positioning boss 23 in the mounting hole 12 of outlet pipe 1.The attachment face of fitting seat of the prior art is arcuate surface, is not easy to the processing of positioning boss, and after adopting Plane Installation seat of the present utility model, then can increases the design of positioning boss 23, the installation of seat 2 more convenient to install on outlet pipe 1 surface.
Described fitting seat 2 can adopt various shape, as square, and the size of described installation position 11 plane and the sizableness of described fitting seat attachment face 22; When fitting seat 2 adopts cylindrical, the maximum inscribed circle diameter of described installation position 11 plane is suitable with the diameter of described fitting seat attachment face 22.
Above-mentioned is preferred embodiment of the present utility model, and the utility model also can be applied on the outlet pipe of single layer structure as required.
The installation position die mould that the lambda sensor fitting seat of silencing apparatus is positioned at outlet pipe outer round surface by the utility model is plane, makes the attachment face of fitting seat and the installation position of outlet pipe be that plane coordinates, and its weld seam, in the circle of rule, is convenient to welding; Meanwhile, the planar design arc-shaped surface design compared to prior art of fitting seat attachment face is easier to processing, and structure also more simplifies; Fitting seat extends to form stepped positioning boss in outlet pipe mounting hole, is convenient to install location.
Claims (5)
1. an oxygen sensor of motorcycle mounting structure, comprise motorcycle exhaust pipe (1), the outer round surface of described outlet pipe (1) is installed with lambda sensor (3) by fitting seat (2), the gauge head portion (31) of described lambda sensor (3) stretches in described outlet pipe (1) through the mounting hole (12) on described fitting seat (2) endoporus (21) and outlet pipe surface, it is characterized in that: the installation position (11) that described fitting seat (2) is positioned at outlet pipe (1) outer round surface is plane by die mould, the height of this plane is lower than the outer round surface around it, the attachment face (22) of described fitting seat (2) with the installation position (11) of described outlet pipe (1) for plane coordinates.
2. oxygen sensor of motorcycle mounting structure according to claim 1, is characterized in that: described fitting seat (2) extends positioning boss (23) in the mounting hole (12) of outlet pipe (1), thus forms ladder fitting seat.
3. oxygen sensor of motorcycle mounting structure according to claim 1 and 2, it is characterized in that: when described outlet pipe (1) is for air gap pipes structure, described installation position (11) is that gap between plane place air gap pipes is reduced by die mould, and described lambda sensor gauge head portion (31) is stretched in the air-flow path of internal layer outlet pipe completely.
4. oxygen sensor of motorcycle mounting structure according to claim 1 and 2, is characterized in that: the size of described installation position (11) plane and the sizableness of described fitting seat attachment face (22).
5. oxygen sensor of motorcycle mounting structure according to claim 1 and 2, it is characterized in that: described fitting seat (2) is cylindrical fitting seat, the maximum inscribed circle diameter of described installation position (11) plane is suitable with the diameter of described fitting seat attachment face (22).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520541525.6U CN204984563U (en) | 2015-07-23 | 2015-07-23 | Motorcycle oxygen sensor mounting structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520541525.6U CN204984563U (en) | 2015-07-23 | 2015-07-23 | Motorcycle oxygen sensor mounting structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204984563U true CN204984563U (en) | 2016-01-20 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520541525.6U Active CN204984563U (en) | 2015-07-23 | 2015-07-23 | Motorcycle oxygen sensor mounting structure |
Country Status (1)
| Country | Link |
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| CN (1) | CN204984563U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105953032A (en) * | 2016-06-16 | 2016-09-21 | 水利部交通运输部国家能源局南京水利科学研究院 | Hollow heat insulation device with detachable sensor structure |
| CN106248546A (en) * | 2016-06-16 | 2016-12-21 | 水利部交通运输部国家能源局南京水利科学研究院 | A kind of multiple dimensioned thermal transport synchronous monitoring pilot system and test method |
| CN107448374A (en) * | 2017-08-16 | 2017-12-08 | 加西贝拉压缩机有限公司 | A kind of vacuum double shell structure for refrigeration compressor |
-
2015
- 2015-07-23 CN CN201520541525.6U patent/CN204984563U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105953032A (en) * | 2016-06-16 | 2016-09-21 | 水利部交通运输部国家能源局南京水利科学研究院 | Hollow heat insulation device with detachable sensor structure |
| CN106248546A (en) * | 2016-06-16 | 2016-12-21 | 水利部交通运输部国家能源局南京水利科学研究院 | A kind of multiple dimensioned thermal transport synchronous monitoring pilot system and test method |
| CN107448374A (en) * | 2017-08-16 | 2017-12-08 | 加西贝拉压缩机有限公司 | A kind of vacuum double shell structure for refrigeration compressor |
| CN107448374B (en) * | 2017-08-16 | 2023-09-15 | 加西贝拉压缩机有限公司 | Vacuum double-layer shell structure for refrigeration compressor |
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| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |