CN201463990U - Oil flow sensor of automobile - Google Patents
Oil flow sensor of automobile Download PDFInfo
- Publication number
- CN201463990U CN201463990U CN2009201127447U CN200920112744U CN201463990U CN 201463990 U CN201463990 U CN 201463990U CN 2009201127447 U CN2009201127447 U CN 2009201127447U CN 200920112744 U CN200920112744 U CN 200920112744U CN 201463990 U CN201463990 U CN 201463990U
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Abstract
The utility model discloses an oil flow sensor of an automobile, which comprises a sensor base, an installation pipe assembly, a circuit board assembly, a floater assembly, a filtering net and an air valve assembly, wherein the installation pipe assembly comprises a connecting fixed pipe and a function pipe which are connected into a whole body, two installation raised lines are arranged outside the function pipe, the sensor base is connected with the installation pipe assembly, the circuit board assembly is positioned in the function pipe of the installation pipe assembly, the floater assembly is positioned on the periphery of the circuit board assembly, the filtering net is movably arranged in the installation raised lines of the function pipe, and the air valve assembly is positioned on connecting end of the installation pipe assembly and the sensor base, is arranged on the installation raised line of the top part of the function pipe, and is communicated with the sensor base. The oil flow sensor for the automobiles simplifies the installation of a sensor, and has the advantages of rational installation, simple installation, dented oil tank prevention, convenient filtering net cleaning and maintenance, and the like.
Description
Technical field
The utility model relates to a kind of fuel-quantity transducer, and particularly a kind of automobile oil mass sensor is used for the demonstration and the metering of oil mass in the automotive oil tank.
Background technology
Automobile oil mass sensor has float-type sensor, resistance sensor and tongue tube sensor.The float-type sensor is because the floating drum that is contained in the fuel tank is subjected to the impact position shakiness that fuel tank rocks, the oil mass out of true of Xian Shiing not only, thus shorten serviceable life of sensor greatly.Resistance sensor can overcome the above-mentioned shortcoming of float-type sensor, but because resistance sensor is a kind of contact fuel-quantity transducer, contact slip for a long time at fuel tank internal, very easily make the resistance wearing and tearing, bigger error takes place in resistance, add the pollution of fuel oil in the fuel tank, cause sensor also to be easy to damage simultaneously electronic devices and components by accurate reading.The tongue tube sensor adopts contactless working method, also can not produce problems such as loose contact, gauge outfit be malfunctioning even be stained with greasy dirt and dirt.The disclosed fuel-quantity transducer of Chinese patent CN2884160 comprises sensor tube, float, fixed support.Be provided with the wiring board assembly in its sensor tube, the wiring board assembly is the wiring board that several tongue tubes, resistance connect to form; Float is provided with and can holds the through hole that sensor tube passes, and float is provided with the vertical stopper slot that matches with engine fuel sucking pipe, engine scavenge pipe, is provided with magnet in the float, the plane parallel setting at the magnetic line of force of magnet and wiring board assembly place; The bottom of engine fuel sucking pipe, engine scavenge pipe is fixed with fixed support, and sensor tube is supported on the fixed support.This fuel-quantity transducer is provided with a plurality of tongue tubes, resistance, changes under the less situation at oil level and also can measure and show, has improved the accuracy that shows.Yet there is following defective in this fuel-quantity transducer: 1, function such as fuel sucking pipe, scavenge pipe pipe punching installation on fuel tank separately, and trouble is installed, and causes fuel tank gas leakage easily; 2, not anti-fuel tank is inhaled flat device, fuel tank easily takes place in the use inhale flat phenomenon; 3, screen pack is a fixed sturcture, maintenance, cleaning inconvenience.
Summary of the invention
Technical problem to be solved in the utility model is, overcomes the defective that prior art exists, and provides a kind of rational in infrastructure, installs simple and directly, has the fuel tank of preventing and inhales flat function, and screen pack keeps in repair, cleans automobile oil mass sensor easily.
The technical scheme in the invention for solving the above technical problem is: this automobile oil mass sensor, comprise circuit board assemblies, float assembly and screen pack, its design feature is: also comprise sensor holder, mounting pipe assembly and air-valve assembly, described mounting pipe assembly comprises being connected and fixed manages and the function pipe, being connected and fixed pipe and function pipe fuses, described function pipe comprises fuel sucking pipe, scavenge pipe and plug-in road board component pipe, the described pipe that is connected and fixed connects fuel sucking pipe, scavenge pipe and plug-in road board component pipe, function pipe arranged outside has two raised line is installed, described sensor holder is connected with the mounting pipe assembly, described circuit board assemblies is positioned at the function pipe of mounting pipe assembly, float assembly is positioned at the circuit board assemblies periphery, screen pack is active to be installed on the installation raised line of function pipe bottom, air-valve assembly is positioned at mounting pipe assembly and sensor holder link, and be installed on the installation raised line on function pipe top, connect with sensor holder.The mounting pipe component design has been simplified the installation of sensor.
The described installation raised line of the utility model automobile oil mass sensor lays respectively on fuel sucking pipe, the scavenge pipe, and two projecting surfaces that raised line is installed are relative, and described circuit board assemblies is positioned at plug-in road board component pipe, and float assembly is positioned at board component pipe periphery, plug-in road.
The described scavenge pipe of the utility model automobile oil mass sensor bottom is provided with the acceleration oil return apparatus, this acceleration oil return apparatus comprises two spill ports, top plug and return spring, top plug and return spring are contained between two spill ports, and the return spring two ends are withstood plug respectively and are positioned at following spill port. and quicken oil return apparatus and can guarantee smooth oil return.
The described air-valve assembly of the utility model automobile oil mass sensor comprises valve body, O-ring seal, spring and valve, described valve body comprises the valve body top, valve body pad and body cap, body cap and valve body top cover close, two chambers valve body about valve body adopts, its valve body top is valve body top, two chambers, seal all is equipped with in the chamber, the left and right sides of described valve body, spring and valve, spring is between valve body pad and valve, seal is contained in valve body pad periphery, indoor valve body pad top, a described valve body left side is contained in valve body top internal upper part, valve withstands body cap, and described valve body right ventricle inner valve body pad is contained in the body cap top, and valve withstands the valve body top.Air-valve assembly prevents that fuel tank from inhaling flat effect, improves the sensor dependability.
The described valve shell of the utility model automobile oil mass sensor is provided with the air valve of the installation raised line coupling in the function pipe outside raised line is installed.
The described sensor holder of the utility model automobile oil mass sensor comprises sensor head and positioning chuck, sensor head is connected with positioning chuck, positioning chuck is connected with the mounting pipe assembly, positioning chuck is between sensor head and mounting pipe assembly, have oil-sucking hole, the gentle valve opening of spill port on the described sensor head, be connected to oil suction joint, the gentle valve union of back leakage connection on described oil-sucking hole, the gentle valve opening of spill port respectively, described oil-sucking hole and fuel sucking pipe communicate, spill port and scavenge pipe communicate, and the valve body top of air valve hole and air-valve assembly communicates.
The described sensor head of the utility model automobile oil mass sensor adopts the one-shot forming moulding, and positioning chuck adopts metalwork, between described positioning chuck and the mounting pipe assembly O-ring seal is housed.
The described screen pack profile of the utility model automobile oil mass sensor is curved, and the curvature of this arc and the contacted filter screen of function pipe place external diameter are complementary, and screen pack is provided with the screen pack that the installation raised line with the function pipe outside is complementary raised line is installed.The active mounting structure of screen pack makes things convenient for the mounting or dismounting of screen pack, is convenient to the screen pack clean and maintenance.
The described circuit board assemblies of the utility model automobile oil mass sensor comprises wiring board, resistance and tongue tube, resistance and tongue tube assembling are in the circuit board, described float assembly comprises float and magnet, float is installed in board component pipe periphery, plug-in road, magnet is positioned in the middle of the float, and the magnetic line of force of magnet is parallel with the circuit board assemblies mounting plane.
The utility model compared with prior art has the following advantages: 1, rational in infrastructure, easy for installation.The utility model automobile oil mass sensor has designed the mounting pipe assembly, with need be on automotive oil tank independent fuel sucking pipe, the scavenge pipe of installing of prior art, and each function pipe central combination such as plug-in road board component pipe, greatly simplified installation.2, reliability height and long service life.The utility model automobile oil mass sensor has designed anti-fuel tank and has inhaled flat air-valve assembly, and the inside and outside air pressure of self-poise fuel tank in the use prevents that effectively the fuel tank suction is flat, avoids occurring unexpected; Adopt the contactless working method of electronics tongue tube, solved prior art fuel-quantity transducer electronic devices and components problem easy to wear, prolong fuel-quantity transducer serviceable life.3, the convenient mounting or dismounting of the active mounting structure of screen pack, flushing is safeguarded.
Description of drawings
Fig. 1 is the utility model embodiment automobile oil mass sensor structural representation.
Fig. 2 is the left view of Fig. 1, and band is analysed and observe.
Fig. 3 is the vertical view of Fig. 1.
Fig. 4 is mounting pipe assembly and a float assembly cross-sectional structure synoptic diagram among Fig. 1.
Fig. 5 is an embodiment air-valve assembly structure enlarged diagram.
Embodiment
Below in conjunction with accompanying drawing, the utility model will be further described by embodiment.
The automobile oil mass sensor that embodiment adopts four pipes to make up for the mounting pipe assembly, concrete structure is referring to Fig. 1～3.This automobile oil mass sensor comprises sensor holder 1, mounting pipe assembly 2, circuit board assemblies 4, float assembly 5, air-valve assembly 3 and screen pack 6.Mounting pipe assembly 2 comprises being connected and fixed manages 2-1 and function pipe, and function pipe arranged outside has two raised line 2-5 are installed, and is connected and fixed pipe 2-1 and function pipe and fuses.Sensor holder 1 is connected with mounting pipe assembly 2, circuit board assemblies 4 is positioned at the function pipe of mounting pipe assembly 2, float assembly 5 is positioned at circuit board assemblies 4 peripheries, screen pack 6 is active to be installed on the installation raised line 2-5 of function pipe bottom, air-valve assembly 3 is positioned at mounting pipe assembly 2 and sensor holder 1 link, and be installed on the installation raised line 2-5 on function pipe top, connect with sensor holder 1.
Embodiment sensor holder 1 comprises sensor head 1-1, positioning chuck 1-2 and O-ring seal 1-3, sensor head 1-1 is connected with positioning chuck 1-2, positioning chuck 1-2 is connected with mounting pipe assembly 2, positioning chuck 1-2 is equipped with O-ring seal 1-3 between positioning chuck 1-2 and the mounting pipe assembly 2 between sensor head 1-1 and mounting pipe assembly 2.As shown in Figure 1, have oil-sucking hole 1-6, spill port 1-4 air valve hole 1-5 on the sensor head 1-1, wherein, oil-sucking hole 1-6 and fuel sucking pipe 2-2 communicate, and spill port 1-4 and scavenge pipe 2-4 communicate, and the valve body top 3-1 of air valve hole 1-5 and air-valve assembly 3 communicates.Shown in Fig. 2,3, three holes of the gentle valve opening 1-5 of above-mentioned oil-sucking hole 1-6, spill port 1-4 are connected with the gentle valve union 1-8 of oil suction joint 1-7, back leakage connection 1-9 respectively.Among Fig. 3,1-10 is a binding post.Sensor head 1-1 adopts the one-shot forming moulding, and positioning chuck 1-2 adopts metalwork, and present embodiment sensor head 1-1 adopts the PA66 material disposable injection molded.
Referring to Fig. 4, the function pipe of embodiment mounting pipe assembly 2 comprises fuel sucking pipe 2-2, scavenge pipe 2-4 and plug-in road board component pipe 2-3.As shown in the figure, be connected and fixed pipe 2-1 and connect above-mentioned three root functionality pipes, originally it is mounting pipe assembly 2 that each the function pipe that need independently install on automotive oil tank is concentrated, take the cassette mounting means, simplified installation, save the set-up time, improved the sealing effectiveness of fuel tank, reduce because the fuel tank that the improper gas leakage of installation causes is inhaled flat risk.Have inlet port 2-21 on the sidewall of fuel sucking pipe 2-2 bottom; The bottom of scavenge pipe 2-4 is provided with quickens oil return apparatus 2-41, this acceleration oil return apparatus 2-41 comprises 1# spill port 2-411, top plug 2-412, return spring 2-413 and 2# spill port 2-414,1# spill port 2-411 is positioned at above the 2# spill port 2-414, top plug 2-412 and return spring 2-413 are contained between 1# spill port 2-411 and the 2# spill port 2-414, and return spring 2-413 two ends are withstood plug 2-412 and 2# spill port 2-414 respectively.Two of function pipe arranged outside raised line 2-5 is installed and lays respectively on fuel sucking pipe 2-2 and the scavenge pipe 2-4, two projecting surfaces that raised line 2-5 is installed are relative.Location and active installation screen pack 6 when installation raised line 2-5 is used for air-valve assembly 3 installations.
Referring to Fig. 5, embodiment air-valve assembly 3 comprises valve body, O-ring seal, spring and valve.Valve body comprises valve body top 3-1, valve body pad and body cap 3-6, and body cap 3-6 and valve body top 3-1 cover.Two chambers valve body about valve body adopts, its valve body top 3-1 is valve body tops, two chambers.Valve shell is provided with the air valve of the installation raised line 2-5 coupling in the function pipe outside raised line is installed.As shown in the figure, seal, spring and valve all are equipped with in the chamber, the left and right sides of valve body, and the embodiment seal adopts O type circle.The indoor valve body pad in a valve body left side
zThe 3-2z top is contained in valve body top 3-1 internal upper part, valve
z3-5z withstands body cap 3-6, spring
z3-4z is positioned at the valve body pad
z3-2z and valve
zBetween the 3-5z, O type circle
z3-3z is contained in the valve body pad
zThe 3-2z periphery.Valve body right ventricle inner valve body pad
y3-2y is contained in body cap 3-6 top, valve
y3-5y withstands valve body top 3-1, spring
y3-4y is positioned at the valve body pad
y3-2y and valve
yBetween the 3-5y, O type circle
y3-3y is contained in the valve body pad
yThe 3-2y periphery.Among the figure, 3-7 is the valve body rubber plug, is to establish for valve body top 3-1 mold is convenient; 3-8 is the O-ring seal that is contained on the 3-1 of valve body top, guarantees that air-valve assembly 3 and being connected of sensor head 1-1 seal air tight.When automobile starting, air enters the valve body right ventricle of air-valve assembly 3, extrusion spring by the air valve hole 1-5 on the sensor holder 1
y3-4y, air can enter fuel tank; When automobile was out of service, the air pressure in the fuel tank can reduce, with the indoor spring in a valve body left side of extruding air-valve assembly 3
z3-4z; air is discharged from, and recovers the state of vacuum in the fuel tank. air-valve assembly 3 this automatic regulatory functions, can regulate the inside and outside air pressure of fuel tank well; prevent that the fuel tank suction is flat, improve the sensor dependability. the simultaneously independent patent protection of this air-valve assembly the applicant.
Embodiment circuit board assemblies 4 comprises wiring board, resistance and tongue tube, and resistance and tongue tube are assembled in the circuit board, and circuit board assemblies is positioned at plug-in road board component pipe 2-3.The electronic devices and components that are assembled on the circuit board assemblies 4 in the board component pipe 2-3 of plug-in road carry out encapsulation process, with the magnet 5-1 among the float 5-2 be contactless working method, solve contact fuel-quantity transducer electronic devices and components problem easy to wear, prolonged the serviceable life of sensor.
Present embodiment is to be connected and fixed the contactless automobile oil mass sensors of four pipe combinations such as pipe 2-1, fuel sucking pipe 2-2, plug-in road board component pipe 2-3 and scavenge pipe 2-4, is the sensor that utilizes the inductive effect between magnet steel, float, the tongue tube to make.When sensor is made, the forming circuit board component 4 in the circuit board that at first resistance and tongue tube is welded, circuit board assemblies 4 is installed among the board component pipe 2-3 of plug-in road.Then, outside the board component pipe 2-3 of plug-in road float assembly 5 is installed, float 5-2 can slide up and down along plug-in road board component pipe 2-3; Utilize the installation raised line 2-5 in the function pipe outside that screen pack 6 is installed, the hole of screen pack 6 requires evenly; Plug is loaded onto stopper 7 in the bottom of mounting pipe assembly 2, wherein, 1# stopper 7-1 fills in the bottom of plug-in road board component pipe 2-3, in order to prolong the serviceable life of sensor, the protection electronic devices and components are not subjected to the pollution of greasy dirt and steam, also need to coat in 1# stopper 7-1 periphery the glue of antiseep; 2# stopper 7-2 plug is in the bottom of fuel sucking pipe 2-2; 3# stopper 7-3 plug is in the bottom of scavenge pipe 2-4.In the assembling while of mounting pipe assembly 2, sensor head 1-1 is joined with positioning chuck 1-2 is corresponding, with an end of mounting pipe assembly 2 directly and positioning chuck 1-2 join, fuel sucking pipe 2-2 in the function pipe and sensor head 1-1 go up corresponding oil-sucking hole 1-6 conducting, scavenge pipe 2-4 and spill port 1-4 conducting; Then, firmly tighten fixing positioning chuck 1-2 and mounting pipe assembly 2.At last, air-valve assembly 3 is inserted positioning chuck 1-2 opposite position along raised line 2-5 is installed, the valve body top 3-1 of air-valve assembly 3 and the air valve hole 1-5 on the sensor head 1-1 are conducted, and so just can realize the unidirectional adjusting air pressure function of air valve.
During use, automobile oil mass sensor is contained in the automotive oil tank, the binding post 1-10 on the sensor head 1-1 is connected the general plug of peace, the general plug of peace is inserted supply socket.In the time of engine start, the oil in the fuel tank is through sensor fuel sucking pipe 2-2 supply engine, and unnecessary oil flows back to fuel tank in scavenge pipe 2-4, can cut the waste like this.Give in the process of car engine at transferring oil, may produce gas in a small amount in the fuel tank and cause the fuel tank inner and outer air pressure poor, influence normal fuel injection.Automatically carry out air pressure adjustment inside and outside the fuel tank by air-valve assembly 3, both prevented that fuel tank from inhaling flatly, keep normal fuel injection again, guarantee that automobile balance travels.Float assembly 5 shows the oil level height in the fuel tank.
The utility model automobile oil mass sensor is rational in infrastructure, all dismounting easily of parts such as its circuit board assemblies 4, float assembly 5, air-valve assembly 3 and screen pack 6, on-call maintenance, replacing at any time.
Claims (9)
1. automobile oil mass sensor, comprise circuit board assemblies, float assembly and screen pack, it is characterized in that: also comprise sensor holder, mounting pipe assembly and air-valve assembly, described mounting pipe assembly comprises being connected and fixed manages and the function pipe, being connected and fixed pipe and function pipe fuses, function pipe arranged outside has two raised line is installed, described function pipe comprises fuel sucking pipe, scavenge pipe and plug-in road board component pipe, the described pipe that is connected and fixed connects fuel sucking pipe, scavenge pipe and plug-in road board component pipe, described sensor holder is connected with the mounting pipe assembly, described circuit board assemblies is positioned at the function pipe of mounting pipe assembly, float assembly is positioned at the circuit board assemblies periphery, screen pack is active to be installed on the installation raised line of function pipe bottom, air-valve assembly is positioned at mounting pipe assembly and sensor holder link, and be installed on the installation raised line on function pipe top, connect with sensor holder.
2. automobile oil mass sensor according to claim 1, it is characterized in that: described installation raised line lays respectively on fuel sucking pipe, the scavenge pipe, and the projecting surface that two raised line is installed is relative, described circuit board assemblies is positioned at plug-in road board component pipe, and float assembly is positioned at board component pipe periphery, plug-in road.
3. automobile oil mass sensor according to claim 2, it is characterized in that: described scavenge pipe bottom is provided with the acceleration oil return apparatus, this acceleration oil return apparatus comprises two spill ports, top plug and return spring, top plug and return spring are contained between two spill ports, and the return spring two ends are withstood plug respectively and are positioned at following spill port.
4. automobile oil mass sensor according to claim 3, it is characterized in that: described air-valve assembly comprises valve body, O-ring seal, spring and valve, described valve body comprises the valve body top, valve body pad and body cap, body cap and valve body top cover close, two chambers valve body about valve body adopts, its valve body top is valve body top, two chambers, seal all is equipped with in the chamber, the left and right sides of described valve body, spring and valve, spring is between valve body pad and valve, seal is contained in valve body pad periphery, and indoor valve body pad top, a described valve body left side is contained in valve body top internal upper part, and valve withstands body cap, described valve body right ventricle inner valve body pad is contained in the body cap top, and valve withstands the valve body top.
5. automobile oil mass sensor according to claim 4 is characterized in that: described valve shell is provided with the air valve of the installation raised line coupling in the function pipe outside raised line is installed.
6. automobile oil mass sensor according to claim 5, it is characterized in that: described sensor holder comprises sensor head and positioning chuck, sensor head is connected with positioning chuck, positioning chuck is connected with the mounting pipe assembly, positioning chuck is between sensor head and mounting pipe assembly, have oil-sucking hole on the described sensor head, the gentle valve opening of spill port, described oil-sucking hole, be connected to the oil suction joint respectively on the gentle valve opening of spill port, the gentle valve union of back leakage connection, described oil-sucking hole and fuel sucking pipe communicate, spill port and scavenge pipe communicate, and the valve body top of air valve hole and air-valve assembly communicates.
7. automobile oil mass sensor according to claim 6 is characterized in that: described sensor head adopts the one-shot forming moulding, and positioning chuck adopts metalwork, between described positioning chuck and the mounting pipe assembly O-ring seal is housed.
8. automobile oil mass sensor according to claim 7, it is characterized in that: described screen pack profile is curved, the curvature of this arc and the contacted filter screen of function pipe place external diameter are complementary, and screen pack is provided with the screen pack that the installation raised line with the function pipe outside is complementary raised line is installed.
9. automobile oil mass sensor according to claim 8, it is characterized in that: described circuit board assemblies comprises wiring board, resistance and tongue tube, resistance and tongue tube assembling are in the circuit board, described float assembly comprises float and magnet, float is installed in board component pipe periphery, plug-in road, magnet is positioned in the middle of the float, and the magnetic line of force of magnet is parallel with the circuit board assemblies mounting plane.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009201127447U CN201463990U (en) | 2009-01-19 | 2009-01-19 | Oil flow sensor of automobile |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009201127447U CN201463990U (en) | 2009-01-19 | 2009-01-19 | Oil flow sensor of automobile |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201463990U true CN201463990U (en) | 2010-05-12 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009201127447U Expired - Fee Related CN201463990U (en) | 2009-01-19 | 2009-01-19 | Oil flow sensor of automobile |
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| Country | Link |
|---|---|
| CN (1) | CN201463990U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103097166B (en) * | 2010-06-15 | 2016-04-27 | 肖恩发展有限责任公司 | For the groove module interface of fluid reservoir |
-
2009
- 2009-01-19 CN CN2009201127447U patent/CN201463990U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103097166B (en) * | 2010-06-15 | 2016-04-27 | 肖恩发展有限责任公司 | For the groove module interface of fluid reservoir |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20100512 Termination date: 20150119 |
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| EXPY | Termination of patent right or utility model |