CN213442881U - Signal transmission line configuration structure of oxygen sensor - Google Patents
Signal transmission line configuration structure of oxygen sensor Download PDFInfo
- Publication number
- CN213442881U CN213442881U CN202022434483.XU CN202022434483U CN213442881U CN 213442881 U CN213442881 U CN 213442881U CN 202022434483 U CN202022434483 U CN 202022434483U CN 213442881 U CN213442881 U CN 213442881U
- Authority
- CN
- China
- Prior art keywords
- transmission line
- signal transmission
- oxygen sensor
- engine
- wind scooper
- Prior art date
- 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.)
- Active
Links
Images
Landscapes
- Exhaust Gas After Treatment (AREA)
Abstract
The utility model discloses a signal transmission line configuration structure of oxygen sensor, set up on a motorcycle, this motorcycle includes an engine, a wind scooper, an exhaust duct, an upper reaches oxygen sensor, a catalyst converter, a low reaches oxygen sensor and a muffler, the wind scooper cladding this engine, have a circular open-ended income gas port, the both ends of exhaust duct communicate the gas vent of engine and the entry of muffler respectively, upper reaches oxygen sensor, catalyst converter and low reaches oxygen sensor set up on the exhaust duct in proper order, low reaches oxygen sensor has a signal transmission line, by the right-hand observation of motorcycle, signal transmission line is located the cylinder of engine and cylinder head faying face, and between the orthogonal plane of the cylinder axis of engine and the first tangent plane of the income gas port outer fringe of wind scooper, signal transmission line is extended by the below side along the wall of this wind scooper, and the wind scooper includes a pipeline fixing structure. Therefore, the utility model discloses with the signal transmission line of low reaches oxygen sensor with the shortest section of hanging in midair, properly accomodate the most appropriate position of wind scooper, reach the fixed effect of best protection.
Description
Technical Field
The present invention relates to a signal transmission line configuration structure of an oxygen sensor, and more particularly to a signal transmission line configuration structure of an oxygen sensor having a pipeline fixing structure formed on a wind guide cover.
Background
The present commonly used personal transportation means generally includes an automobile and a motorcycle, and the motorcycle type transportation means is a two-wheel, three-wheel or four-wheel vehicle which generates power by an engine and mainly uses a handle to operate the direction, and the vehicle is the most commonly used transportation means at present due to the characteristics of simple operation, convenient action and low price.
The main purpose of the Oxygen Sensor (Oxygen Sensor or O2 Sensor for short) disposed in the exhaust device of the motorcycle engine is to monitor the "air-fuel ratio" of gasoline and Oxygen in the engine, the Oxygen Sensor will automatically transmit the information of the Oxygen content in the exhaust pipe to the Electronic Control Unit (ECU) of the motorcycle, too much Oxygen content indicates that the air-fuel ratio is too lean, and too little Oxygen content indicates that the air-fuel ratio is too rich, if the air-fuel ratio is too lean, the Electronic Control Unit will drive the oil nozzle to spray more oil to enrich the oil and gas, if the air-fuel ratio is too rich, the Electronic Control Unit will Control the oil nozzle to spray less oil, so under the fast operation Control of the Electronic Control Unit, the most proper air-fuel ratio can be quickly adjusted, each drop of oil will have the best efficiency, and the oil saving effect is achieved. Thus, the oxygen sensor may be used to determine whether the exhaust in the exhaust pipe is over-rich or over-lean.
The motorcycle engine is a main source for providing motorcycle power, and a good engine design is extremely important, wherein the configuration of the pipeline is one of the key points of the design, the pipeline comprises an electric wire, a signal transmission line, an air pipe, an oil pipe, a water pipe and the like, the joints of the pipeline are mostly connectors or sensors, and the pipeline is used as a communication bridge for maintaining the function and operation of the whole motorcycle.
In addition, when the motorcycle is running, the engine and the frame will move relatively, and the pipelines connected between the frame and the engine will be pulled, so the pipelines need to be fixed in design to avoid the pipelines from being damaged due to mutual friction, and the orderly pipeline arrangement is convenient for the installation and maintenance of the subsequent engineering, which is a factor to be considered in design.
In the current motorcycle, in order to detect the exhaust pollution value, an engine is provided with an oxygen-containing sensor on an exhaust duct for detecting the exhaust pollution value, and an upstream oxygen-containing sensor is used for detecting the original emission and is usually arranged upstream of a catalytic converter; in order to determine whether the catalytic converter is out of order, a downstream oxygen sensor must be installed downstream of the catalytic converter, and the signal transmission line of the oxygen sensor is important for transmitting the exhaust pollution value, so the trend and the fixed accommodation are important. In addition, if the signal transmission line is configured and has an overlong suspension section, the internal fatigue fracture of the signal transmission line is easily caused under the use environment of high vibration of the motorcycle, so that the trouble of maintenance and the misjudgment of pollution detection are caused; moreover, since the exhaust duct has two oxygen sensors, the signal transmission line thereof is prone to cause the interference between the signal and the erroneous installation during maintenance, and therefore, it is necessary to have a proper separation and accommodation.
The inventor has thought that in the spirit of the invention, we need to find a "signal transmission line configuration structure of oxygen sensor", which is to properly accommodate the signal transmission line of the oxygen sensor to the most suitable position of the wind scooper with the shortest suspension section by the pipeline fixing structure on the wind scooper, and to match the position adjustment between the signal transmission line and the wind scooper, so as to achieve the best protection fixing effect.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a signal transmission line configuration structure of oxygen perception ware, utilize the pipeline fixed knot of wind scooper to construct the design, with the signal transmission line of low reaches oxygen perception ware with the shortest section that hangs in midair, properly accomodate the most appropriate position of wind scooper, and arrange its and wind scooper between the position adjustment, reach the fixed effect of best protection, and effectively separate low reaches oxygen perception ware and the two signal transmission line of upper reaches oxygen perception ware, effectively prevent mutual interference between the signal, with the situation of mistake dress during maintenance.
In order to achieve the above object, the present invention provides a signal transmission line configuration structure of an oxygen sensor disposed on a motorcycle, the motorcycle comprises an engine, a wind guiding cover, an exhaust duct, an upstream oxygen sensor, a catalytic converter, a downstream oxygen sensor and a silencer, the wind guiding cover covers the engine and has a circular opening air inlet, two ends of the exhaust duct are respectively connected to the exhaust port of the engine and the inlet of the silencer, the upstream oxygen sensor, the catalytic converter and the downstream oxygen sensor are sequentially disposed on the exhaust duct, the downstream oxygen sensor has a signal transmission line, the signal transmission line is located between the cylinder and cylinder head joint surface of the engine and the first tangent surface of the air inlet outer edge of the wind guiding cover when viewed from the right of the motorcycle, the signal transmission line extends from the lower part to the upper part along the wall surface of the wind guiding cover, the wind scooper is provided with a pipeline fixing structure for fixing the signal transmission line of the downstream oxygen-containing sensor.
The pipeline fixing structure can be that the wall surface of the wind scooper is provided with a groove with an outward opening, the groove is used for accommodating the signal transmission line of the downstream oxygen-containing sensor, one end edge of the groove can be provided with a flange, and the flange can be used for fixing the signal transmission line of the downstream oxygen-containing sensor.
The pipeline fixing structure can be at least one fixing hole and can be used for providing at least one fixing piece for penetrating and locking, and the fixing piece can be used for fixing the signal transmission line of the downstream oxygen-containing sensor.
The fixing part can be a C-shaped fastener, the C-shaped fastener is provided with a fastener corresponding to the fixing hole, and the C-shaped fastener can be used for fixing the signal transmission line of the downstream oxygen-containing sensor.
The fixing piece can be a flexible metal sheet, the metal sheet is provided with an opening corresponding to the fixing hole, and the metal sheet can be wound and fixed on the signal transmission line of the downstream oxygen-containing sensor. In addition, the metal sheet can be coated with a protective layer made of rubber materials to protect the signal transmission line.
The foregoing summary, as well as the following detailed description, is exemplary in nature and is intended to further illustrate the scope of the present invention. Other objects and advantages of the present invention will become apparent from the following description and drawings.
Drawings
Fig. 1 is a schematic top view of a signal transmission line configuration structure of an oxygen sensor according to a first preferred embodiment of the present invention.
Fig. 2 is a schematic side view of a signal transmission line configuration structure of an oxygen sensor according to a first preferred embodiment of the present invention.
Fig. 3 is a schematic side view of a signal transmission line configuration structure of an oxygen sensor with a portion of the wind scooper removed according to a first preferred embodiment of the present invention.
Fig. 4A is a schematic cross-sectional view of a groove on a wall surface of a wind scooper and a signal transmission line of a fixing structure of a signal transmission line according to a first preferred embodiment of the present invention.
Fig. 4B is a schematic perspective view of a signal transmission line configuration structure of an oxygen sensor according to a first preferred embodiment of the present invention.
Fig. 5A is a front view of a C-shaped buckle and a signal transmission line of a signal transmission line fixing structure according to a second preferred embodiment of the present invention.
Fig. 5B is a schematic side view of a C-shaped buckle and a signal transmission line of a signal transmission line fixing structure according to a second preferred embodiment of the present invention.
Fig. 5C is a schematic side view of a signal transmission line configuration structure of an oxygen sensor according to a second preferred embodiment of the present invention.
Fig. 6A is a top view of a metal plate of a signal transmission line fixing structure according to a third preferred embodiment of the present invention.
Fig. 6B is a schematic side view of a signal transmission line configuration structure of an oxygen sensor according to a third preferred embodiment of the present invention.
Description of the main element symbols:
11 cylinder head and 12 cylinder
13 air inlet of wind scooper 131
132 groove 1321 flange
20 exhaust duct 25 catalytic converter
31 upstream oxygen sensor 311 signal transmission line
32 downstream oxygen sensor 321 signal transmission line
34 upper bracket 36 lower bracket
38 muffler 40 mounting hole
422 position limiter 44 metal sheet
440 curled metal sheet 441 holes
442 protecting the axis of the muffler C
P1 cylinder and cylinder head combination surface
The orthogonal plane of the P2 cylinder axis and the first tangent plane of the air inlet outer edge of the air guiding cover
Detailed Description
Please refer to fig. 1, fig. 2 and fig. 3, which are a schematic top view, a schematic side view and a schematic side view of a signal transmission line configuration structure of an oxygen sensor according to a first preferred embodiment of the present invention. The signal transmission line configuration structure of the oxygen sensor of the embodiment is disposed on a motorcycle 1, the motorcycle 1 includes an engine 10, an air guiding cover 13, an exhaust duct 20, a catalytic converter 25, an upper bracket 34, a lower bracket 36, an upstream oxygen sensor 31, a downstream oxygen sensor 32 and a silencer 38, the air guiding cover 13 covers the engine 10, the air guiding cover 13 has an air inlet 131 with a circular opening, and two ends of the exhaust duct 20 are respectively communicated with the exhaust port of the engine 10 and the inlet of the silencer 38. The muffler 38 is fixed to a crankcase (not shown) of the engine 10 by an upper bracket 34 and a lower bracket 36. The upper bracket 34 is located above the axis C of the muffler 38 and the lower bracket 36 is located below the axis C of the muffler 38.
In the present embodiment, the catalytic converter 25, the upstream oxygen sensor 31, and the downstream oxygen sensor 32 are all accommodated in the exhaust duct 20, and the upstream oxygen sensor 31 and the downstream oxygen sensor 32 are respectively located upstream and downstream of the catalytic converter 25 on the exhaust duct 20. The downstream oxygen sensor 32 has a signal transmission line 321, and the upstream oxygen sensor 31 is disposed on the exhaust duct 20 and also has a signal transmission line 311.
In the present embodiment, as shown in fig. 2 and 3, the signal transmission line 321 of the downstream oxygen sensor 32 is located between the joint plane P1 between the cylinder 12 and the cylinder head 11 of the engine 10 and the first tangent plane P2 of the axis of the cylinder 12 of the engine 10 and the outer edge of the air inlet 131 of the air guide cover 13 when viewed from the right of the motorcycle 1, and the signal transmission line 321 extends upward from below along the wall surface of the air guide cover 13. In addition, as shown in fig. 2, the wind scooper 13 has a pipeline fixing structure, which is a fixing hole 40 for providing at least one fixing member to be inserted and fixed, so as to fix the signal transmission line 321 of the downstream oxygen sensor 32.
Please refer to fig. 4A and fig. 4B, which are a schematic cross-sectional view of a wall groove of an air guiding cover, a signal transmission line, and a schematic perspective view of a signal transmission line configuration structure of a fixing structure of a signal transmission line according to a first preferred embodiment of the present invention. Fig. 4A is a cross-sectional view of the AA section of fig. 4B, in the pipeline fixing structure on the wind scooper 13 of the present embodiment, the wall surface of the wind scooper 13 has a groove 132 with an outward opening, the groove 132 is used for accommodating the signal transmission line 321 of the downstream oxygen sensor 32, and an end edge of the groove 132 has a flange 1321 for fixing the signal transmission line 321. As shown in fig. 4B, the signal transmission line 321 of the downstream oxygen sensor 32 can be firmly fixed in the groove 132 of the wall of the wind scooper 13.
Please refer to fig. 5A, fig. 5B, and fig. 5C, which are a front view, a side view, and a side view of a signal transmission line configuration structure of a C-shaped buckle and a signal transmission line of a signal transmission line fixing structure according to a second preferred embodiment of the present invention. The fixing structure of the pipeline on the wind scooper 13 of the present embodiment is that the fixing member is a C-shaped buckle 42, the C-shaped buckle 42 has a buckle 421 and a limiting member 422 connected thereto, the buckle 421 corresponds to the fixing hole 40 on the wind scooper 13 and can be directly buckled in the fixing hole 40, and the limiting member 422 is used to fix the signal transmission line 321 of the downstream oxygen sensor 32. As shown in fig. 5C, the signal transmission line 321 of the downstream oxygen sensor 32 can be firmly fixed in the position-limiting member 422 of the C-shaped buckle 42 on the wind scooper 13.
Please refer to fig. 6A and fig. 6B, which are schematic side views of a top view of a metal plate of a signal transmission line fixing structure and a signal transmission line configuration structure of an oxygen sensor according to a third preferred embodiment of the present invention. The fixing structure of the pipeline on the wind scooper 13 of the present embodiment is that the fixing member is a flexible metal sheet 44, the metal sheet 44 has an opening 441 corresponding to the fixing hole 40, the metal sheet 44 is directly fixed on the fixing hole 40 through a screw locking member (not shown), and the metal sheet 44 is covered by a protective layer 442 made of rubber material, as shown in fig. 6B, the signal transmission line 321 of the downstream oxygen-containing sensor 32 can be firmly fixed by the curled metal sheet 440.
Therefore, the utility model discloses utilize the pipeline fixed knot of wind scooper 13 to construct the design, with the signal transmission line 321 of low reaches oxygen sensor 32 with the shortest section of hanging in midair, properly accomodate the most appropriate position of wind scooper 13 to position adjustment between collocation it and the wind scooper 13 reaches the fixed effect of best protection, and effectively separate signal transmission line 311,321 of the two of the oxygen sensor 31 of upper reaches and the oxygen sensor 32 of low reaches, prevents effectively that mutual interference between the signal, with the situation of erroneous installation during maintenance.
The above-described embodiments are merely exemplary for convenience of description, and the scope of the claims of the present invention should be determined by the claims rather than by the limitations of the above-described embodiments.
Claims (7)
1. A signal transmission line configuration structure of an oxygen sensor is arranged on a motorcycle, the motorcycle comprises an engine, an air guide cover, an exhaust duct, an upstream oxygen sensor, a catalytic converter, a downstream oxygen sensor and a silencer, the air guide cover covers the engine and is provided with an air inlet with a circular opening, two ends of the exhaust duct are respectively communicated with an exhaust port of the engine and an inlet of the silencer, the upstream oxygen sensor, the catalytic converter and the downstream oxygen sensor are sequentially arranged on the exhaust duct, and the downstream oxygen sensor is provided with a signal transmission line and is characterized in that:
the signal transmission line is arranged between the joint surface of the cylinder and the cylinder head of the engine and the orthogonal plane of the axis of the cylinder of the engine and the first tangent plane of the outer edge of the air inlet of the air guide cover when viewed from the right side of the motorcycle, the signal transmission line extends from the lower part to the upper part along the wall surface of the air guide cover, and the air guide cover comprises a pipeline fixing structure for fixing the signal transmission line.
2. The signal transmission line configuration structure of claim 1, wherein the pipeline fixing structure is a groove with an outward opening on the wall of the wind scooper for accommodating the signal transmission line.
3. The oxygen sensor signal transmission line configuration according to claim 2, wherein an end edge of the groove has a flange for fixing the signal transmission line.
4. The signal transmission line arrangement structure of claim 1, wherein the line fixing structure is at least one fixing hole for providing at least one fixing member to be inserted and fixed to fix the signal transmission line.
5. The structure of claim 4, wherein each of the fasteners is a C-shaped fastener having a fastener corresponding to the fastening hole.
6. The structure of claim 4, wherein each of the fixing members is a flexible metal plate having an opening corresponding to the fixing hole.
7. The structure of claim 6, wherein the metal sheet is covered with a rubber protective layer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022434483.XU CN213442881U (en) | 2020-10-28 | 2020-10-28 | Signal transmission line configuration structure of oxygen sensor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022434483.XU CN213442881U (en) | 2020-10-28 | 2020-10-28 | Signal transmission line configuration structure of oxygen sensor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213442881U true CN213442881U (en) | 2021-06-15 |
Family
ID=76295914
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022434483.XU Active CN213442881U (en) | 2020-10-28 | 2020-10-28 | Signal transmission line configuration structure of oxygen sensor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213442881U (en) |
-
2020
- 2020-10-28 CN CN202022434483.XU patent/CN213442881U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US8037859B2 (en) | Intake manifold | |
| US6167862B1 (en) | Air cleaner system | |
| CN213442881U (en) | Signal transmission line configuration structure of oxygen sensor | |
| JP4394851B2 (en) | Engine oxygen concentration sensor mounting structure | |
| JP4670650B2 (en) | Harness bracket | |
| JP2018084220A (en) | Exhaust system structure of internal combustion engine | |
| JP2018084221A (en) | Exhaust pipe connection member | |
| CN213838730U (en) | Signal transmission line configuration structure of oxygen sensor | |
| CN213838731U (en) | Signal transmission line configuration structure of oxygen sensor | |
| JPH02135649U (en) | ||
| CN210509343U (en) | Exhaust device of motorcycle engine | |
| JP5875564B2 (en) | Exhaust gas purification device for internal combustion engine | |
| CN213831960U (en) | Signal transmission line configuration structure of oxygen sensor | |
| TWM607046U (en) | Oxygen sensor signal transmission cable arrangement structure | |
| JP6132093B2 (en) | Engine exhaust system | |
| TWM608325U (en) | Allocation structure of signal cable of oxygen sensor | |
| US20120125271A1 (en) | Engine system with air diverter | |
| JP6524135B2 (en) | Exhaust gas sensor arrangement structure for internal combustion engine for straddle type vehicle | |
| JP7160509B2 (en) | Heat-shielding bracket for mounting internal combustion engine connectors | |
| JP2008223728A (en) | Installation structure for exhaust gas sensor for four cycle engine | |
| CN214170651U (en) | Mounting structure of oxygen-containing sensor | |
| CN217897999U (en) | Motorcycle with bracket connecting catalyst pipe part and silencer | |
| JP5647850B2 (en) | Support structure for long objects | |
| CN217917835U (en) | Wire harness fixing structure and tail gas treatment system | |
| JPH1030435A (en) | Exhaust device for engine |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |